US Builders at a glance
Everything a contracting officer or prime contractor needs to evaluate us, on one page. Print it or save it as a PDF for your files.
- UEI
- [UEI]SAM.gov registered
- CAGE Code
- [CAGE]Commercial and Government Entity
- CSLB License
- #1137672Active · expires 05/31/2027
- Business Type
- [Small Business][Set-aside certifications]
Who we are
US Civiltech, doing business as US Builders, is a California corporation headquartered in Sacramento. We hold a general building license and an HVAC license, and we serve federal, state, and local agencies along with commercial and residential clients.
We combine general construction and self-performed mechanical work under one contract. Agencies get a single accountable contractor for projects where building and HVAC scopes overlap: equipment replacements, renovations, repairs, and recurring maintenance.
What we deliver
- HVAC equipment installation and replacement: RTUs, split systems, heat pumps, VRF
- HVAC preventive maintenance, diagnostics, and repair
- Controls, thermostats, economizers, and energy efficiency retrofits
- Ductwork, exhaust, and ventilation upgrades
- General building construction, repairs, and additions
- Interior renovations and tenant improvements in occupied facilities
- Accessibility (ADA) upgrades
- Facility maintenance and task-order repairs
NAICS codes
Confirm these match your SAM.gov registration before publishing.
| Code | Description |
|---|---|
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors Primary |
| 236220 | Commercial and Institutional Building Construction |
| 236118 | Residential Remodelers |
| 238990 | All Other Specialty Trade Contractors |
| 561210 | Facilities Support Services |
PSC codes
Common product and service codes for the work we perform.
| Code | Description |
|---|---|
| N041 | Installation of Refrigeration and Air Conditioning Equipment |
| J041 | Maintenance and Repair of Refrigeration and Air Conditioning Equipment |
| Z1AA | Maintenance of Office Buildings |
| Z2AA | Repair or Alteration of Office Buildings |
| Z2JZ | Repair or Alteration of Miscellaneous Buildings |
Why agencies choose US Builders
Two licenses, one contract
General building and HVAC under one contractor, which means fewer handoffs and clear accountability.
Self-performed mechanical
Our licensed team installs and services the HVAC scope directly. It isn't passed down to the lowest bidder.
Compliance built in
Certified payroll, submittals, QC, safety plans, and closeout handled as deliverables, on schedule.
Responsive and direct
A focused team where contracting officers and CORs reach a decision-maker, not a voicemail tree.
Details for your file
| Legal name | US Civiltech |
| DBA | US Builders |
| Entity | Corporation |
| CSLB license | #1137672 (issued 05/19/2025, expires 05/31/2027) |
| Classifications | B – General Building; C-20 – HVAC |
| Bonding | [Surety / single & aggregate capacity] |
| Insurance | [General liability, auto, workers' comp limits] |
| Service area | California, statewide |
| Payment | Government purchase card and EFT accepted |
Reach us
- Contracts contact[Name, Title]
- Phone(916) 743-7802
- Email[email address]
- Headquarters1663 Golden Cypress Way, Sacramento, CA 95834
Let's look at your project
Send the RFQ, drawings, or a few photos and a description. We'll review it, ask the right questions, and come back with a clear, honest price.