Domus Design Build
5.0 (32 Google reviews)
8041 Florence Ave Ste 208, Downey, CA 90240
Serves Bell Gardens · based in DowneyDesign-build
ADU Builders in Bell Gardens, CA
5 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 Bell Gardens homeowners who are comparing builders right now. Includes your logo, project photos, a direct call button and a link to your website.
Bell Gardens is home to about 39,501 people (2020 Census) in Los Angeles County. We found 5 ADU builders and contractors that show up for Bell Gardens homeowners on Google Maps, most of them based in nearby communities. Their average Google rating is 4.8 stars. 3 market themselves specifically as ADU builders. 2 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Domus Design Build, Cornejos Builders ADU Construction & Home Building and Next Level Home Improvements LLC.
Los Angeles leads California in ADU permits. Common projects here include garage conversions on older lots, detached backyard units on deep lots, and hillside sites where access and grading drive the cost.
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Cornejos Builders ADU Construction & Home Building
4.8 (39 Google reviews)
✔ CSLB License Verified #10651458909 Elmont Ave, Downey, CA 90240
Serves Bell Gardens · based in DowneyADU specialistRemodels & additionsHome builder
Next Level Home Improvements LLC
4.8 (17 Google reviews)
8520 Florence Ave Ste E, Downey, CA 90240
Serves Bell Gardens · based in DowneyADU specialistRemodels & additionsGeneral contractor
ADU Contractor Orange County
5.0 (6 Google reviews)
Service-area business · Huntington Park
Serves Bell Gardens · based in Huntington ParkADU specialistGeneral contractor
Expert Home Builders
4.4 (304 Google reviews)
✔ CSLB License Verified #10566005800 S Eastern Ave Suit 500, Commerce, CA 90040
Serves Bell Gardens · based in CommerceHome builderGeneral contractor
Permits and pre-approved plans in Bell Gardens
ADU permits in Bell Gardens 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 Bell Gardens whether it has approved plans you can use. See our pre-approved plans guide and California ADU law summary.
Planning an ADU in Bell Gardens? Start here
Bell Gardens ADU FAQ
How many ADU builders serve Bell Gardens?
Our directory lists 5 ADU builders and contractors that appear for Bell Gardens on Google Maps, including companies based in nearby Los Angeles County communities.
Do I need a permit to build an ADU in Bell Gardens?
Yes. ADUs need a building permit from the City of Bell Gardens, 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 Bell Gardens?
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 Bell Gardens 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.