HUBZone certification for contractors

HUBZone certification is a federal program for small businesses located in, and employing people from, historically underutilized business zones. To qualify, a contractor must be small under the size standards, be at least 51 percent owned and controlled by U.S. citizens or other eligible owners such as Community Development Corporations or tribal entities, have its principal office in a HUBZone, and have at least 35 percent of its employees living in a HUBZone. Certified firms can bid HUBZone set-asides and get a 10 percent price evaluation preference in full and open competitions. You apply through the U.S. Small Business Administration's certification portal and recertify every three years.

For construction companies, HUBZone is often the most practical certification to pursue, because eligibility depends on where you are and who you hire, not on the owner's background. The federal government also sets a goal of awarding 3 percent of prime contract dollars to HUBZone small businesses.

HUBZone requirements for construction firms

The principal office rule

The program's regulations define "principal office" precisely, and the definition matters for construction companies whose crews spend most of their time at project sites rather than the office. Read the agency's definition carefully before you sign a lease, and ask the program office if your setup is unusual.

The 35 percent employee rule

At least 35 percent of your employees must live in a HUBZone. That is about where people live, not where they work. For a contractor with seasonal crews, the count can swing, so track employee addresses every pay period, not just at application time.

Keep proof, not just a spreadsheet. The application and any later review can ask how you know where each person lives, so hold on to the address records from payroll and onboarding, and update them when someone moves. A crew member who moves two miles can change your percentage without anyone in the office noticing.

How the 10 percent price evaluation preference works

Under FAR 19.1307, in full and open competitions the contracting officer adds a 10 percent factor to offers when comparing prices, except offers from HUBZone firms that have not waived the preference and otherwise successful offers from small businesses. Put simply, a HUBZone firm can beat a large business that bid somewhat lower. It does not help against another small business that is the low bidder. The preference does not apply where price is not a selection factor, such as architect-engineer work.

Step by step: getting HUBZone certified

1. Check the HUBZone map

Look up your office address on the agency's HUBZone map. The map was last updated in 2023, another update is expected during 2026 as some redesignated areas expire, and a further update is planned for July 2028. If your office sits in an area that is about to drop off, plan ahead.

2. Check every employee's address

Run each employee's home address through the map and calculate your percentage. Count the way the program counts. If you are short, look at where you recruit. Hiring apprentices and laborers from HUBZone neighborhoods is often how contractors get and stay above 35 percent.

3. Confirm size and ownership

Confirm you are small under your primary NAICS code, with affiliates included, and that ownership meets the 51 percent rule.

4. Register in SAM.gov and apply

Make sure your SAM.gov registration is active, then create an account at certifications.sba.gov, use the agency's checklists, and submit. Have payroll records, lease or deed for the principal office, and employee address documentation ready.

5. Maintain eligibility and recertify

Recertify every three years and tell the agency about mergers or acquisitions. Keep tracking the 35 percent figure as you hire.

Worked example: a framing contractor and the price preference

Say a framing contractor with 40 employees has its office in a HUBZone. Sixteen employees live in HUBZone areas, which is 40 percent, so the firm clears 35 percent. It bids a full and open federal housing job. In this example, the offers are:

The HUBZone contractor has the lowest evaluated price even though it bid $60,000 more than the low large business. If a non-HUBZone small business had bid $1,020,000 as the otherwise successful offer, no factor would be added to that bid, and the small business would win on price. The preference levels the field against large firms, not against other small ones.

Now suppose the contractor hires five new carpenters, none living in a HUBZone. The count becomes 16 of 45, about 35.6 percent, barely above the line. One more hire from outside a HUBZone and the firm falls below. That is why the employee count belongs in a monthly report.

HUBZone compared with other certifications

Because HUBZone depends on location and hiring rather than who the owner is, it is open to many contractors who would not qualify for the ownership-based programs. A firm that qualifies for more than one can bid more set-aside types. HUBZone status can also help as a subcontractor, since large primes with subcontracting goals often look for certified small firms to fill them.

Mistakes to avoid

• Checking employee addresses only at application time.
• Assuming a satellite office or a job trailer counts as the principal office.
• Ignoring map updates that can remove your area.
• Missing the three-year recertification.
• Bidding HUBZone set-asides without enough self-performance capacity. Limitations on subcontracting still apply. See small business set-asides for construction.

Related guides and tools

Compare programs in how to get 8(a) certification for construction, then follow how to find federal construction bids to start bidding. Once you win, certified payroll applies on Davis-Bacon jobs.

Smart Business Automator keeps crew and payroll records organized and prepares certified payroll for public jobs. See certified payroll automation.