Boise, ID
Boise, ID contractor bond quotes
Bid, performance, and payment bonds for contractors working in Boise, with county industry data. A quote is not a binder.
Ada County is home to 2,214 construction businesses (County Business Patterns, 2023), the market in which Boise's 237,000 residents' projects get built. Public owners there require bonds on most construction contracts.
Contractors in Ada County by the numbers
| Measure (2023) | Ada County | Idaho |
|---|---|---|
| Construction establishments (all) | 2,214 | 9,895 |
| Construction employees | 19,082 | 62,048 |
| Annual payroll per construction employee | $67,989 | $61,359 |
| Commercial and institutional building contractors | 100 | 321 |
| Heavy and civil engineering contractors | 96 | 426 |
| Construction firms with fewer than 5 employees | 66% | 70% |
Census Bureau County Business Patterns, 2023 release.
Ada County has 96 heavy and civil engineering contractors, the firms that build roads, bridges, water lines, and utility systems. Nearly all of that work is public, and nearly all of it is bonded.
There are 100 commercial building contractors in the county. If you build or subcontract on schools, civic buildings, or larger private projects near Boise, expect bond requirements in the bid documents.
Renovation, growth, and bonding in Boise
Boise's median housing year of 1986 points to infrastructure entering its replacement cycle, from water mains to roofs on public buildings, all common sources of bonded contracts.
About 17% of the city's housing units are in buildings of five or more units, versus 9% statewide. That level of multifamily construction brings private bonded work for contractors with the capacity to handle it.
106,279.0 housing units stand in Boise today; detached and attached single-family homes account for 71%. Every new block of homes eventually means more water, sewer, and road capacity, which public owners procure under bonded contracts.
Source: Census ACS 2020–2024 five-year estimates; Vintage 2024 population estimates.
Statutory bonds on Boise public work
If you are bidding a public job in Boise, check the solicitation against Idaho Code § 54-1926 (public works contractor bonds). That law sets when performance and payment bonds are required; projects funded and owned by the federal government fall under the Miller Act.
About 66% of Ada County's construction firms have fewer than five employees. Smaller contractors can get bonded, usually starting with modest job sizes and relying on owners' credit and experience while financial statements mature.
Boise compared with other Idaho markets
In Nampa, the county construction count is 1,678 establishments. Canyon County, home to Caldwell, lists 1,678 construction businesses. Also in Ada County, Meridian has housing with a median build year of 2007. By county construction establishments, Boise ranks 1st among the 15 Idaho cities profiled here.
What sureties will ask Boise contractors for
- Personal financial information for indemnitors
- List of completed projects
- Subcontractor and supplier references
- Legal entity details and owners
- List of open jobs with costs and billings
- Project solicitation and required bond forms
Boise bond FAQ
Do Boise public projects require performance bonds?
Most public construction contracts in Boise above the statutory threshold require performance and payment bonds; the bid documents state the requirement.
How big is the construction industry near Boise?
The Census Bureau counted 2,214 construction establishments in Ada County in 2023.
Can a new contractor in Boise get a performance bond?
Often, yes. Sureties start new accounts with smaller limits and grow them with your track record; see bonding capacity.
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Last updated October 15, 2026 · How we research