SAN GORGONIO BUILDER | GENERAL CONTRACTOR
5.0 (28 Google reviews)
529 N 41 St, Banning, CA 92220
Serves Beaumont · based in BanningGarage conversionsRemodels & additionsHome builderGeneral contractor
ADU Builders in Beaumont, CA
9 builders · ranked by Google rating and review volume · 2 CSLB license verified
★ Featured ADU builder
Featured ADU builder — this spot is open
Put your ADU company at the top of this page, in front of Beaumont homeowners who are comparing builders right now. Includes your logo, project photos, a direct call button and a link to your website.
With roughly 53,036 residents at the 2020 Census, Beaumont is one of Riverside County's established communities. We found 9 ADU builders and contractors that show up for Beaumont homeowners on Google Maps, 2 of them based in the city itself. Their average Google rating is 4.7 stars. 4 market themselves specifically as ADU builders, and 1 mention garage conversions. 2 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are SAN GORGONIO BUILDER | GENERAL CONTRACTOR, Bricker Construction and Brothers Superior.
Inland lots in Riverside County tend to be larger, which suits detached ADUs and multigenerational layouts. Summer heat makes insulation, roof design and HVAC sizing worth discussing with your builder.
No builders match that filter here yet. Try another one.
Bricker Construction
5.0 (12 Google reviews)
33826 Liberty Rd, Yucaipa, CA 92399
Serves Beaumont · based in YucaipaGeneral contractor
Brothers Superior
5.0 (5 Google reviews)
Service-area business · Banning
Serves Beaumont · based in BanningHome builderGeneral contractor
USModular, Inc.
4.6 (39 Google reviews)
579 W County Line Rd, Calimesa, CA 92320
Serves Beaumont · based in CalimesaADU specialistPrefab / modularHome builderGeneral contractor
MyADU4Less
5.0 (1 Google reviews)
579 W County Line Rd, Calimesa, CA 92320
Serves Beaumont · based in CalimesaADU specialist
RBC Construction Inc
4.0 (4 Google reviews)
✔ CSLB License Verified #911083871 W 4th St A, Beaumont, CA 92223
Based in BeaumontRemodels & additionsGeneral contractor
J & K Construction
4.0 (4 Google reviews)
✔ CSLB License Verified #840008279 E County Line Rd, Calimesa, CA 92320
Serves Beaumont · based in CalimesaRemodels & additionsGeneral contractor
Pacific Homes Rick ADU and Manufactured Homes
No rating yet (0 Google reviews)
1415 E 6th St Unit A, Beaumont, CA 92223
Based in BeaumontADU specialistPrefab / modularHome builder
ADU Advantage
No rating yet (0 Google reviews)
Service-area business · Banning
Serves Beaumont · based in BanningADU specialist
Permits and pre-approved plans in Beaumont
ADU permits in Beaumont go through the city's building or planning department. Under AB 1332, every California city and county had to set up a pre-approved ADU plan program by January 1, 2025, so ask Beaumont whether it has approved plans you can use. See our pre-approved plans guide and California ADU law summary.
Planning an ADU in Beaumont? Start here
Beaumont ADU FAQ
How many ADU builders serve Beaumont?
Our directory lists 9 ADU builders and contractors that appear for Beaumont on Google Maps, including companies based in nearby Riverside County communities.
Do I need a permit to build an ADU in Beaumont?
Yes. ADUs need a building permit from the City of Beaumont, which must approve or deny a complete application within 60 days under state law. Many cities also offer pre-approved plans that speed up review.
How much does an ADU cost in Beaumont?
Most Southern California detached ADUs land around $350 to $550 per square foot all-in, garage conversions around $200 to $350, and JADUs around $50,000 to $150,000. Use our ADU cost estimator and get three itemized bids.
How are Beaumont ADU builders ranked here?
By Google rating weighted by the number of reviews, so a 4.9 with 200 reviews ranks above a 5.0 with 3. Featured placements are clearly labeled and don't affect the organic ranking.