PBOT Monolithic Curb + Sidewalk
Concrete Volume Calculator
Based on PBOT Std. Drawing P-551 (typical 4″ sidewalk + monolithic curb). Input sidewalk square footage from plans.
Author: Volume Concrete
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PBOT CALCULATOR FOR P-551 MONOLITHIC SIDEWALK AND CURB
PBOT Monolithic Curb + Sidewalk Concrete Calculator PBOT Monolithic Curb + Sidewalk
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Sidewalk P-546 PBOT Calculator
Volume Concrete – PBOT Monolithic Sidewalk + Curb Calculator PBOT Monolithic Sidewalk + Curb Concrete Calculator
Estimate cubic yards for monolithic (integral) sidewalk with curb per PBOT standards (P-546 Keyed Combination Curb & Sidewalk, P-551 Sidewalks, P-540 Curbs). Select config for auto-filled cross-section area & dimensions. For Portland projects—verify with plans!
Select a configuration to view key dimensions (based on PBOT standards).
PBOT Notes: Sidewalk min 5 ft wide (exclusive of curb); typical 5–6″ thick concrete; 6″ curb exposure; 6:1 batter on curb face; 2″ aggregate base under; monolithic pour common (P-546 keyed detail). Add 5–10% for waste, joints, over-pour. For ramps/transitions see P-549/P-550. Always confirm project-specific plans/PBOT drawings (P-551 Sidewalks, P-540 Curbs). Official standards: PBOT Drawings. -
Curb and Gutter Calculator for Portland Bureau of Transportation Styles P-540 and more
🚧 Portland contractors: Need quick concrete volume estimates for PBOT-approved curb & gutter? Our free online calculator now includes presets based on the latest P-540 Curbs standards (updated 05/18/2022) from the Portland Bureau of Transportation.
Volume Concrete – PBOT Curb & Ramp Calculator (P-540 / P-549 / P-550) PBOT Curb, Gutter & Ramp Concrete Calculator (P-540 / P-549 / P-550)
Estimate cubic yards for PBOT standards: P-540 curbs/gutters + P-549 (24″ concrete gutter at curb ramps/transitions) + P-550 (misc ramp details). Select style for cross-section area and key dimensions description.
Select a style above to view key dimensions and description (based on PBOT standards).
PBOT Notes: P-549 requires 24″ gutter when grade break >11% (e.g., retrofits); 7″ thick typical for transitions; slopes 2–5%; see P-550 for detectable warnings. P-540 for curbs (6″ exposure, 6:1 batter). Add 5–10% waste. Always verify project plans/PBOT drawings. Official PDFs: P-540 | P-549 | P-550 | All Standards.Key PBOT P-540 highlights:
- Standard curb exposure: Typically 6″ (with some historical/ODOT-influenced 7″ variations noted).
- Gutter pan widths: 12″ (required next to bike lanes), 18″ (standard), or 24″ (for ramps/transitions/grade breaks).
- Common styles: Standard Curb, Curb & Gutter (combo), Mountable Curb, Low Profile, Thickened/Modified (e.g., with step-out for passenger access or stormwater facilities), and more.
- Other notes: 2″ aggregate base under curb (unless specified otherwise); tops slope 2% toward roadway; dummy joints/scores in thickened sections.
The tool auto-calculates cubic yards using realistic cross-sectional areas (e.g., ~0.125–0.22 ft² per linear ft depending on style), with custom overrides for special jobs. Add 5–10% for waste!
Check it out at www.volumeconcrete.com and get accurate bids faster. Always confirm with current project plans/PBOT drawings. DM for custom tweaks or quotes! #ConcreteCalculator #PortlandConstruction #PBOT #CurbAndGutter #VolumeConcrete”
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Free Weekly Leads Generator Report for 1/9/2026 Washington Edition
Washington State Concrete Contract Leads – January 9, 2026 Washington State Concrete Contract Leads – January 9, 2026
This internal report compiles open bids for Washington state contracts involving concrete work, construction, paving, repair, or related materials/services. Focus is on opportunities relevant to concrete supply, pouring, repair, or paving. Entries are sorted by category and due date (earliest first). Only active bids with due dates on or after today are included. For full details, follow the links.
This private WordPress post updates daily for lead generation. Password-protected for Volume Concrete team use only.
State Contracts (via WSDOT, OMWBE, and related sites)
Title Due Date Description Snippet Link Tributary to Dickey River Culvert Replacement January 13, 2026 Culvert replacement involving potential concrete structures. View Opportunity SR 124, US 12 Interchange EB Bridge Repair January 14, 2026 Saw cutting and removing a portion of the bridge deck and bridge rail, installing new girder, replacing removed bridge deck and bridge rail. View Opportunity US 2 et al, NCR Guardrail Update – 2026 January 14, 2026 Removing asphalt concrete pavement and guardrail, installing guardrail, precast concrete barrier. View Opportunity QUANDARY CREEK CULVERT REPLACEMENT January 14, 2026 Culvert replacement with construction elements. View Opportunity I-5, SB I-205 to NE 179th St Concrete Pavement Rehabilitation January 22, 2026 Cracking and seating existing concrete panels, overlaying with HMA, installing underdrains. View Opportunity CITY OF WOODLAND REQUEST FOR QUALIFICATION INFORMATION TO FURNISH PROFESSIONAL ENGINEERING FOR TIB #3-W-954(005)-1 DAVIDSON OVERLAY January 22, 2026 Professional engineering for overlay project involving paving. View Opportunity Call to Bid: Meade Hill MP 0.77 to MP 0.81 Slide Repair January 22, 2026 Slide repair with potential concrete stabilization. View Opportunity Call to Bid – 2026 Chip Rock Proposal January 22, 2026 Supply of chip rock for paving and road maintenance. View Opportunity Cleveland Ave Rehabilitation Project – Construction January 26, 2026 Avenue rehabilitation including potential concrete work. View Opportunity Call for Bids – City of Bingen – SR 14 – Alder RRFB and Illumination January 27, 2026 Installation of RRFB and illumination, potential concrete bases. View Opportunity Jefferson HS Modernization BP #1 – Baseball & Softball Turf Fields January 27, 2026 Modernization including turf fields with potential concrete edging. View Opportunity Washington Park Arboretum Waterfront Trail Renovation January 28, 2026 Trail renovation with potential concrete paths. View Opportunity RFQ engineering and design services – Lewis County, Wash. January 28, 2026 Engineering and design for construction projects. View Opportunity RFQ – 2026 Hydrologic, Hydraulic, and Geomorphic Services February 6, 2026 Services related to construction planning. View Opportunity RFQ – Annual structural engineering services, Lewis County, Wash. February 6, 2026 Structural engineering for construction. View Opportunity Kellogg Hollow Road Phase II February 9, 2026 Road development phase with paving. View Opportunity SR 519, Seattle Trm – Terminal Electrification November 23, 2026 Infrastructure for ferry charging, potential concrete foundations. View Opportunity County/Local Contracts (via Counties and Cities)
Title Due Date Description Snippet Link Central Shop Underground Fuel Storage Tank Removal and Remediation January 20, 2026 Tank removal and site remediation, potential concrete work in infrastructure. View Bid Briarwood Balcony Resurfacing January 28, 2026 Balcony resurfacing, likely involving concrete. View Bid Drydocking, Repair, and Maintenance of the Whatcom Chief Ferry February 3, 2026 Ferry maintenance, potential concrete-related dock work. View Bid Structural Repairs at Woodland North REBID February 4, 2026 Structural repairs, potential concrete elements. View Bid Heavy Civil General Contractor/Construction Manager (GC/CM) Services for Mouth of Duwamish Combined Sewer Overflow (MDCSO) Influent Conveyance, Effluent Conveyance and Outfall (RFP KC001493) Open (RFP via E-Procurement) Piping and structures, potential concrete in regulator upgrades. Contact: mejordan@kingcounty.gov Progressive Design Build Services for South Interceptor Rehabilitation Project (KC001390) Open Pipeline rehabilitation, potential concrete linings. Contact: mejordan@kingcounty.gov Heavy Civil General Contractor/Construction Manager (GC/CM) Services for Mouth of Duwamish Combined Sewer Overflow (MDCSO) Wet Weather Treatment Station (WWTS) (RFP KC001480) Open Treatment station construction with concrete components. Contact: mejordan@kingcounty.gov For broader searches or forecasts, check WSDOT Opportunities, OMWBE Bids, or King County Projects. This report updates daily based on new searches. If no new leads, we’ll note it tomorrow.
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Free Weekly Leads Generator Report for 1/9/2026 Idaho Edition
Idaho State Concrete Contract Leads – January 9, 2026 Idaho State Concrete Contract Leads – January 9, 2026
This internal report compiles open bids for Idaho state contracts involving concrete work, construction, paving, repair, or related materials/services. Focus is on opportunities relevant to concrete supply, pouring, repair, or paving. Entries are sorted by category and due date (earliest first). Only active bids with due dates on or after today are included. For full details, follow the links.
This private WordPress post updates daily for lead generation. Password-protected for Volume Concrete team use only.
State Contracts (via ITD, DPW, LHTAC, and related sites)
Title Due Date Description Snippet Link Renovate Admin H.Q. Ofc, State St, Idaho Transportation Department, Boise, Idaho January 8, 2026 Renovation project with potential concrete work in admin building. View Details Emergency Operations Center (EOC) CPV2 Remodel, Boise State University, Boise, Idaho January 14, 2026 Remodel with potential concrete elements. View Details Diesel Bay Remodel, Hedlund Hall, North Idaho College, Coeur d’Alene, Idaho January 14, 2026 Remodel involving potential concrete repairs. View Details Key No. 23544 I-84, FY26 D3 IC RAMPS January 2026 (forecast) Asphalt mill and inlay of multiple on/off ramps along I-84 and I-184. View Opportunity Key No. 24967 Fy26 D3 Contrast Pavement Markings January 2026 (forecast) Grooving existing broken line pavement markings and installing pavement marking tape on I-184 and US 20/26. View Opportunity Key No. 22220 D4 #6 Seal Coats January 2026 (forecast) Seal coating to various highway sections. View Opportunity Key No. 24175 US-95, Sandpoint Byway Guardrail Adjustment January 2026 (forecast) Replacing the guardrail and posts at the bridge joints. View Opportunity Key No. 23805 FY26 D3 STRIPING January 2026 (forecast) Paint all skip stripes, edge lines, on-off ramps, stop bars, gores, and edge lines at rest areas and ports-of-entry. View Opportunity US-95, Wilder To Parma Ncl January 2026 (forecast) Sealcoating on US-95, transverse word/symbol/arrow pavement marking – preformed thermoplastic, longitudinal pavement marking. View Opportunity Key No. 20674 FY24 Roadway and ADA Improvements, Boise January 2026 (updated) Pavement preservation and improvements to adjoining sidewalks to meet ADA requirements. View Opportunity 23373-85 N 2220 W over West Cache Canal Bridge Replacement January 29, 2026 Bridge replacement project in Franklin County. View Details 22035-86 Hawkins Road over Marsh Creek Bridge Replacement January 29, 2026 Bridge replacement project in Bannock County. View Details 20730-87 Westside over Parker Creek Bridge Replacement January 29, 2026 Bridge replacement project in Boundary County. View Details EMA (Bldg. 015) Surveillance Systems, Boise State University, Boise, Idaho January 30, 2026 Surveillance systems installation with potential concrete work. View Details Nez Perce Dr. Parking Rebuild / Reconfiguration, University of Idaho, Moscow, Idaho February 12, 2026 Parking lot rebuild with concrete paving. View Details For broader searches or forecasts, check ITD Bidding Forecast, DPW Construction, LHTAC Bids, or Idaho Bid Network. This report updates daily based on new searches. If no new leads, we’ll note it tomorrow.
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Free Weekly Leads Generator Report for 1/9/2026 Oregon Edition
Weekly Concrete Contract Leads Report – Week Ending January 9, 2026 Weekly Concrete Contract Leads Report – Week Ending January 9, 2026
Dear Volume Concrete Team,
This is your internal weekly roundup of new and updated bid opportunities for concrete work, construction, paving, and related services in Oregon, with a focus on Portland. Curated from the past week (January 3-9, 2026), sourced from federal (SAM.gov), state (OregonBuys/ODOT), and local portals. Only active bids with due dates on or after today are included—highlighting fresh leads or extensions.
For full details, click the links. This private WordPress post updates weekly for lead generation. Password-protected for internal use only.
Key Updates This Week
- Federal: New dredging and access improvements with potential concrete elements.
- State: Highway construction bids, concrete ITBs, and pavement projects.
- Local (Portland): Site improvements, utility upgrades, and ADA ramps.
Federal Contracts (New/Updated from SAM.gov)
Title Due Date Description Snippet Link West Coast Hopper Maintenance Dredging 2026 February 2026 (bids due 30 days after Jan 20 solicitation) Dredging with potential concrete-related infrastructure work. View Opportunity OR FLAP DOUGLAS 251(1), Oregon Dunes National Recreation Area – Umpqua Dunes Access Improvements January 2026 (ongoing) Access upgrades potentially involving concrete paths or structures. View Opportunity Oregon State Contracts (New/Updated from OregonBuys and ODOT)
Title Due Date Description Snippet Link BID BOOKLET FOR HIGHWAY CONSTRUCTION Various in January 2026 Multiple highway projects with concrete paving and structures. View Booklet EWEB CONCRETE ITB #25-213-PW January 13, 2026 Concrete supply for Eugene Water & Electric Board. View Bid 2026 Pavement Rehabilitation (Salem) January 2026 (intent to award) Pavement rehab with concrete elements. View Details RFP New CELS Building Civil and Sitework Construction January 23, 2026 Civil and sitework with concrete components. View RFP Portland Local Contracts (New/Updated from City Sites and Aggregators)
Title Due Date Description Snippet Link Site Improvements (Concrete Plaza, Seat Walls) January 2026 Construction of concrete plaza, seat walls, stage, ADA parking. View Opportunities Construct New 48-inch Trunk Line in NE Portland Forecast for 2026 New trunk line with concrete work. View Forecast ADA Curb Ramps, Region 1 Portland Metro 2026 (construction start) Multiple phases of ADA ramps with concrete. View Project Mixed-Use Construction Bid January 15, 2026 Mixed-use project with concrete construction. View Bid Bull Run Filtration Construction Ongoing through 2026 Filtration facility with concrete pouring. View Details Note: Focus on infrastructure and paving this week—ideal for our services! Check sources for amendments. For broader US opportunities, visit SAM.gov or GovDirections.
Best, Volume Concrete Lead Generator
- Federal: New dredging and access improvements with potential concrete elements.
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Finding Local Construction Leads in Oregon
Daily Lead Gen: Local Construction Leads in Oregon Daily Lead Gen: Finding Local Construction Leads in Oregon
Date: January 09, 2026
Guide for Volume Concrete to find state/local bids in Oregon/Portland. Focus on concrete-related projects (e.g., roads, infrastructure). Free to register on most sites.
Why? Access state, city, metro contracts for construction work.
Key Resources
- OregonBuys: State procurements.
- BuySpeed: Portland city bids.
- Bid Locker: Metro area.
- Oregon Bid Network: Aggregator.
- BidNet Direct: Statewide.
- ODOT eBIDS: Highways/bridges.
Tip: Register on each for notifications. Use keywords: concrete, paving, construction.Steps
- Register on OregonBuys: Site > Create account.
- Portland BuySpeed: Register.
- Bid Locker: Setup profile.
- Search Bids: Filter by location (Portland/OR), type (construction), keywords (concrete).
- Subscribe: Email alerts for new opportunities.
- Monitor Daily: Check sites for updates.
Notes: Some require business license. Contact support if needed. Process free/quick.Video
Leads
Search for “concrete” bids: No new today—check links. Monitor OregonBuys, BuySpeed.
Sources
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Daily Lead Generation Report: Guide to Acquiring a SAM.gov Account for Federal Concrete Contracts
Daily Lead Generation Report: Guide to Acquiring a SAM.gov Account for Federal Concrete Contracts Daily Lead Generation Report: Comprehensive Guide to Acquiring a SAM.gov Account
Date: January 09, 2026
This report provides a step-by-step HTML guide for registering on SAM.gov, essential for accessing federal contracts out for bid relevant to Volume Concrete (e.g., infrastructure, construction projects involving concrete). Registering allows us to find and bid on state, local, and federal opportunities. This guide is designed to be easy to read and intuitive. For daily updates on new leads, check back or subscribe to email notifications.
Why SAM.gov? SAM.gov is the official U.S. government site for entity registration, enabling businesses to pursue federal awards, grants, and contracts. For Volume Concrete, this unlocks opportunities in transportation, public works, and building projects.
Prerequisites for Registration
- Unique Entity ID (UEI): Obtained during registration; no separate DUNS needed anymore.
- Taxpayer Identification Number (TIN): For U.S. entities (EIN or SSN); foreign entities may leave blank.
- Legal Business Name and Physical Address: Must match official documents (e.g., tax returns, bank statements).
- NCAGE Code: Required for non-U.S. entities; request via NATO’s tool.
- Financial Information: Bank details for EFT (optional for non-U.S.).
- NAICS and PSC Codes: Identify codes relevant to concrete (e.g., NAICS 327320 for ready-mix concrete).
- Documents: Proof of address, incorporation date, etc. (not older than 3 years).
- Login.gov Account: For secure access.
Tip: Gather all info in a document beforehand to avoid errors. Registration is free—ignore paid services.Step-by-Step Registration Guide
- Create a Login.gov Account: Go to sam.gov, click “Sign In,” and create an account with email, password, and multi-factor authentication (e.g., text message).
- Request UEI (if needed): In your workspace, select “Get Started” > “Create New Entity.” Enter legal name, address, and validate. Upload documents if validation fails.
- Complete Core Data: Enter business info (start date, fiscal year end), addresses, TIN (U.S. only), ownership details, general info (entity structure, profit type), financial info, executive compensation, and proceedings questions.
- Assertions: Add NAICS/PSC codes (e.g., for concrete: NAICS 238110 for poured foundations), size metrics (receipts, employees), EDI (optional), and disaster response info.
- Representations and Certifications (Reps & Certs): Answer FAR/DFARS questions on business status, compliance, and more. Most are yes/no; provide details where needed.
- Architect-Engineer Response (if applicable): For engineering-related NAICS; otherwise, mark not applicable.
- Points of Contact: Enter POCs for electronic business, government, accounts, etc.
- Review and Submit: Check for errors, enter MPIN/OTP, and submit. Wait 3-12 days for validation.
- Appoint Entity Administrator: Submit appointment letter within 60 days.
- Renew Annually: Update and renew every 365 days to stay active.
Important Notes: For Volume Concrete, focus on construction-related codes. If issues arise, contact Federal Service Desk at fsd.gov. Process can take 2-4 weeks; start early for bidding.YouTube Video Tutorial
Watch this step-by-step video for visual guidance:
New Leads and Opportunities
Once registered, search SAM.gov for concrete-related federal bids (keywords: concrete, construction, infrastructure). Today’s scan: No new immediate leads, but monitor for updates. Links to current opportunities: SAM.gov Search.
Sources and Further Reading
- Official SAM.gov Registration Page
- Entity Registration Checklist PDF
- Step-by-Step Guide (Embassy PDF)
Those links belong to the Gov., not us! This is a free guide, use discretion.
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Comprehensive Guide to NAICS Codes for Construction: Concrete Contractors Edition 2026 | Volume Concrete Internal Resource DECLASSIFIED
Comprehensive Interactive Guide to NAICS Codes for Construction: Focus on Concrete Industry DECLASSIFIEDTOP SECRET // INTERNAL USE ONLY Comprehensive Interactive Guide to NAICS Codes for Construction: Focus on Concrete Industry
Volume Concrete Team – Declassified for Internal Training Purposes Only! This redacted document provides an in-depth, interactive guide to NAICS codes relevant to our concrete supply and construction services. Use it to optimize lead generation, SAM.gov registrations, and bidding strategies. Password-protected on WordPress for team access only. Updated January 2026 based on latest federal guidelines.
Introduction to NAICS Codes
NAICS (North American Industry Classification System) codes classify businesses for statistical and contracting purposes. Developed in 1997 by the US, Mexico, and Canada, they replaced the SIC system. Sector 23 – Construction includes over 1.5 million businesses (2022 data). For Volume Concrete, focus on codes for pouring, foundations, paving, and related trades. These codes are essential for government contracts, size standards, and market analysis.
Key Benefits: Register on SAM.gov, filter bids on OregonBuys, qualify for small business set-asides (e.g., revenue under $19M for specialty trades).
How to Use NAICS Codes in Bidding (Especially in Oregon & Portland)
In Oregon, add NAICS to your OregonBuys profile for targeted alerts. ODOT uses them for highway projects. Federally, SAM.gov requires NAICS for registration and bid searches. Cross-reference with PSC (Product Service Codes) for detailed services.
- OregonBuys Steps: Register with Tax ID, select NAICS (e.g., 238110), enable daily emails.
- Federal Tips: Multiple NAICS allowed; primary determines size. Appeal wrong NAICS via SBA.
- Volume Concrete Tip: Use 238110 as primary for poured concrete; add 237310 for highway work.
Integrating NAICS with SAM.gov: A Declassified Guide for Contractors
SAM.gov is the federal hub for contractor registration. NAICS codes are required in entity registration to classify your business, determine size standards, and match opportunities. Without them, you can’t bid on federal contracts. For construction, select codes matching your services to access set-asides.
Steps to Add/Update NAICS in SAM.gov
- Log in to SAM.gov with your account (register if new via entity-information page).
- Navigate to ‘Entity Registration’ > ‘Core Data’ section.
- Input NAICS codes (lookup at census.gov/naics); add multiple if applicable.
- Select primary NAICS for size determination (e.g., $19M revenue limit for 238110).
- Provide size metrics: annual receipts, employees (worldwide and by location).
- Submit and validate; CAGE code assigned automatically.
Importance: Agencies use NAICS to set aside contracts (e.g., small business). Wrong code? Challenge via SBA OHA appeals. For concrete contractors, ensure codes align with PSC for detailed bids.
Tips for Construction Contractors: Include socio-economic categories (e.g., veteran-owned) for more opportunities. Update annually or when services change. Use saved searches in SAM for NAICS-filtered alerts.
Related Codes: Product Service Codes (PSC) for Federal Contracts
PSC complement NAICS by classifying specific products/services. Lookup at acquisition.gov/psc-manual. For concrete: Y1JZ (Construction of Miscellaneous Buildings), Z2JZ (Repair/Alteration of Miscellaneous Buildings). Add to SAM for precise bid matching.
Interactive NAICS Code Search
NAICS Code Title Detailed Description Concrete Relevance (for Volume Concrete) Size Standard (Revenue/Employees) 236115 New Single-Family Housing Construction (except For-Sale Builders) General contractors building single-family homes; includes site prep, foundations. Medium – Concrete foundations common. $45M 236116 New Multifamily Housing Construction (except For-Sale Builders) Multifamily buildings like apartments; structural concrete work. High – Extensive concrete use in slabs, walls. $45M 236117 New Housing For-Sale Builders Builders constructing and selling new homes. Low – Potential foundation work. $45M 236118 Residential Remodelers Renovations, additions to homes; concrete repairs/additions. Medium – Driveways, patios, repairs. $45M 236210 Industrial Building Construction Factories, warehouses; heavy concrete slabs. Very High – Industrial floors, foundations. $45M 236220 Commercial and Institutional Building Construction Offices, schools, hospitals; full building concrete structures. Very High – Comprehensive concrete needs. $45M 237110 Water and Sewer Line and Related Structures Construction Pipelines, treatment plants; concrete vaults, pads. High – Containment structures. $45M 237120 Oil and Gas Pipeline and Related Structures Construction Energy infrastructure; minimal concrete. Low $45M 237130 Power and Communication Line and Related Structures Construction Transmission lines; pole bases. Medium – Concrete anchors. $45M 237210 Land Subdivision Developing land; roads, utilities prep. High – Curbs, sidewalks. $34M 237310 Highway, Street, and Bridge Construction Roads, bridges; asphalt/concrete paving, decks, culverts, guardrails. Very High – Paving, bridges key for us. $45M 237990 Other Heavy and Civil Engineering Construction Dams, tunnels, marine; concrete dams, linings. Very High – Structural concrete. $45M 238110 Poured Concrete Foundation and Structure Contractors Pouring, finishing, gunite, pumping, repair, footing, grouting, mud-jacking, shotcrete; excludes paving/sealing. Very High – Our primary code. $19M 238120 Structural Steel and Precast Concrete Contractors Precast installation, erection. High – Precast handling. $19M 238130 Framing Contractors Wood/metal framing; minimal concrete. Low $19M 238140 Masonry Contractors Brick/block laying, stone setting, chimney, fireplace, foundation (block), stucco, tuck pointing; excludes poured concrete. High – Block work complements pouring. $19M 238150 Glass and Glazing Contractors Window/glass installation. Low $19M 238160 Roofing Contractors Roofing materials installation. Low $19M 238170 Siding Contractors Exterior siding. Low $19M 238190 Other Foundation, Structure, and Building Exterior Contractors Welding, waterproofing, decking. Medium – Waterproofing concrete. $19M 238210 Electrical Contractors and Other Wiring Installation Contractors Electrical systems. Low $19M 238220 Plumbing, Heating, and Air-Conditioning Contractors HVAC, plumbing. Low $19M 238290 Other Building Equipment Contractors Elevators, alarms. Low $19M 238310 Drywall and Insulation Contractors Interior drywall. Low $19M 238320 Painting and Wall Covering Contractors Painting services. Low $19M 238330 Flooring Contractors Floor coverings. Low – But concrete subfloors. $19M 238340 Tile and Terrazzo Contractors Tile, terrazzo installation. Medium – Terrazzo is concrete-based. $19M 238350 Finish Carpentry Contractors Trim, cabinetry. Low $19M 238390 Other Building Finishing Contractors Ornamental, partitions. Low $19M 238910 Site Preparation Contractors Excavation, demolition, grading. High – Prep for concrete pours. $19M 238990 All Other Specialty Trade Contractors Fencing, asphalt/concrete paving (lots, sidewalks), specialty trades not elsewhere classified. Very High – Paving lots, driveways. $19M Detailed Subsector Explorations (Accordion Style)
Subsector 236: Construction of Buildings (Expanded)Includes general contractors for residential/nonresidential buildings. ~502k residential, ~64k nonresidential businesses. Concrete use: Foundations, slabs, parking. Example: In 236220, bid on school projects via SAM.gov using NAICS filter.
Volume Tip: Target Portland commercial builds like offices; check local permits.
Subsector 237: Heavy and Civil Engineering Construction (Expanded)Infrastructure focus. 237310: Highways/bridges – concrete paving, decks. Size: $45M. Examples: Airport runways, culverts. In Oregon, ODOT bids often use this.
Volume Tip: Monitor SAM for federal highway repairs; add PSC Z2LB for roads.
Subsector 238: Specialty Trade Contractors (Most Relevant – Expanded)Our core: 238110 for poured concrete (size $19M). Activities: Finishing, gunite pools, repairs. 238140: Masonry blocks. Complements: 238990 for paving.
Volume Tip: Use for daily leads; filter SAM/OregonBuys by these for concrete-specific bids.
FAQ: Common Questions on NAICS for Concrete Contractors
How do I find my NAICS code?Use census.gov/naics search tool or naics.com. Enter keywords like ‘concrete pouring’.
Can I have multiple NAICS codes?Yes, add all relevant in SAM; primary sets size standard.
What if a bid has the wrong NAICS?Appeal to SBA OHA within 5 days of solicitation.
How often to update?Annually in SAM; or when services expand.
Resources and Next Steps
- Official NAICS Lookup
- SAM.gov Registration & Bids
- OregonBuys for State Opportunities
- PSC Manual
- Internal: Use in daily lead reports; contact XXXX for bid strategies.
This declassified guide updates with NAICS revisions (next 2027). [REDACTED SENSITIVE INFO]