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TendersIdahoConstruction
Construction · Idaho · AI-Scored

Construction
Contracts in
Idaho

Idaho's annual procurement exceeds $7 billion, with Construction & Civil Works representing a substantial share driven by rapid population growth and aging infrastructure. The Idaho Division of Purchasing centralizes solicitations, but agencies like ITD (transportation) and DEQ (environmental) issue their own project-specific bids for highway upgrades, water systems, and public buildings. NAICS codes 236220 (Commercial/Institutional Building), 237310 (Highway/Street/Bridge), 237110 (Water/Sewer), 237120 (Oil/Gas Pipeline), and 237130 (Power/Communication Line) are the primary classifications used across state and local solicitations.

Find Construction Tenders in ID
State / ProvinceIdaho (ID)
IndustryConstruction & Civil Works
Primary PortalIdaho Division of Purchasing
Annual Market$400B+
Key NAICS Codes236220, 237310, 237110
What We Track

Construction tender types in Idaho

road repairbridge constructionbuilding renovationcivil engineeringinfrastructureNAICS 236220NAICS 237310NAICS 237110NAICS 237120NAICS 237130
Why This Market

Why Idaho is a distinct construction market

Idaho’s unique geography—mountainous terrain, fast-growing Boise corridor, and expansive rural areas—creates distinct construction demands, from avalanche-prone highway retaining walls to septic system upgrades in remote communities. The state’s population surged over 18% since 2020, driving school expansions, water treatment plant retrofits, and fiber-optic trenching projects that other states lack. Contractors must navigate Idaho’s specific seismic design requirements (IBC with local amendments) and the Idaho Transportation Department’s preference for design-build delivery on major corridor projects.

How to Win

Tactical advice for this market

Register with the Idaho Division of Purchasing’s Bid Express portal and set alerts for ITD’s annual construction lettings (typically January–March for summer work) and DEQ’s State Revolving Fund project notices. Emphasize past performance in cold-weather construction (Idaho has a short building season from May to October) and familiarity with Idaho’s Specific Environmental Mitigation standards for sage grouse and anadromous fish—these are non-negotiable evaluation criteria. For ITD projects, securing a DBE (Disadvantaged Business Enterprise) certification or partnering with a local subcontractor can tip the scale, as the agency has annual utilization goals exceeding 10%.

FAQ

Frequently asked questions

What is the typical bid timeline for ITD highway projects in Idaho?
ITD posts lettings about 6–8 weeks before the bid opening date, with plans available on Idaho’s Bid Express system. Most major highway projects are let in early spring (March–April) to allow construction during Idaho’s May–October season.
Do I need a specific Idaho contractor license for civil works?
Yes, Idaho requires a Public Works Contractor License from the Idaho Division of Building Safety for any project over $50,000, plus a bidder must hold the appropriate classification (e.g., Highway/Street, Water/Sewer) matching the NAICS codes.
How does Idaho’s sage grouse habitat affect construction bidding?
Projects in sage grouse priority areas (southern Idaho, Magic Valley) require a Habitat Conservation Plan or avoidance measures—this can add 4–6 weeks to preconstruction surveys and 5–15% to mitigation costs, so factor it into your bid’s risk assessment.
Are there set-asides for small businesses in Idaho construction contracts?
Idaho has a Small Business Procurement Program that reserves some contracts under $250,000 for certified small businesses, but it’s not as aggressive as federal programs. Focus on ITD’s DBE goals and the Division of Purchasing’s ‘Idaho First’ preference for in-state contractors.
Related Search Terms

How people search for this

Idaho highway construction bids ITDIdaho water treatment plant contracts DEQIdaho civil works NAICS 237310 opportunitiesIdaho public works contractor license requirementsIdaho design-build bridge projectsIdaho school construction bids 236220Idaho sewer system upgrade RFPsIdaho DOT contractor registration Bid Express

Construction contracts in Idaho,
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