Uni Construction + ADU Design
5.0 (20 Google reviews)
1142 S Diamond Bar Blvd, Diamond Bar, CA 91765
Serves La Puente · based in Diamond BarADU specialistGeneral contractor
ADU Builders in La Puente, CA
6 builders · ranked by Google rating and review volume · 4 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 La Puente homeowners who are comparing builders right now. Includes your logo, project photos, a direct call button and a link to your website.
La Puente is home to about 38,062 people (2020 Census) in Los Angeles County. We found 6 ADU builders and contractors that show up for La Puente homeowners on Google Maps, 1 of them based in the city itself. Their average Google rating is 4.9 stars. 3 market themselves specifically as ADU builders. 4 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Uni Construction + ADU Design, JASP CONSTRUCTION & DESIGN and The ADU Company.
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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JASP CONSTRUCTION & DESIGN
5.0 (7 Google reviews)
✔ CSLB License Verified #106428420653 Lycoming St Ste A6, Diamond Bar, CA 91789
Serves La Puente · based in Diamond BarThe ADU Company
5.0 (6 Google reviews)
✔ CSLB License Verified #1118354504 E Navilla Pl, Covina, CA 91723
Serves La Puente · based in CovinaADU specialistRemodels & additionsHome builderGeneral contractor
Golden Age Construction
5.0 (2 Google reviews)
✔ CSLB License Verified #82072815855 Alwood St, La Puente, CA 91744
Based in La PuenteHome builderGeneral contractor
126 Builders Inc.
4.6 (9 Google reviews)
✔ CSLB License Verified #108603121816 E Shetland Way, Walnut, CA 91789
Serves La Puente · based in WalnutRobles Inc ADU
No rating yet (0 Google reviews)
Service-area business · La Puente
Serves La Puente · based in La PuenteADU specialist
Permits and pre-approved plans in La Puente
ADU permits in La Puente 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 La Puente whether it has approved plans you can use. See our pre-approved plans guide and California ADU law summary.
Planning an ADU in La Puente? Start here
La Puente ADU FAQ
How many ADU builders serve La Puente?
Our directory lists 6 ADU builders and contractors that appear for La Puente on Google Maps, including companies based in nearby Los Angeles County communities.
Do I need a permit to build an ADU in La Puente?
Yes. ADUs need a building permit from the City of La Puente, 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 La Puente?
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 La Puente 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.