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ADU Builders in Cudahy, CA

19 builders · ranked by Google rating and review volume · 14 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 Cudahy homeowners who are comparing builders right now. Includes your logo, project photos, a direct call button and a link to your website.

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With roughly 22,811 residents at the 2020 Census, Cudahy is one of Los Angeles County's established communities. We found 19 ADU builders and contractors that show up for Cudahy homeowners on Google Maps, most of them based in nearby communities. Their average Google rating is 4.8 stars. 4 market themselves specifically as ADU builders, and 1 mention garage conversions. 14 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Domus Design Build, JCM Construction and Reliance Development and Construction Inc..

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.

#4

RS Construction

5.0 (26 Google reviews)
✔ CSLB License Verified #944870

6052 Buell St, Bell Gardens, CA 90201

Serves Cudahy · based in Bell Gardens
Remodels & additionsGeneral contractor
CallWebsiteView profile
#17

Expert Home Builders

4.4 (304 Google reviews)
✔ CSLB License Verified #1056600

5800 S Eastern Ave Suit 500, Commerce, CA 90040

Serves Cudahy · based in Commerce
Home builderGeneral contractor
CallWebsiteView profile

Permits and pre-approved plans in Cudahy

ADU permits in Cudahy 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 Cudahy whether it has approved plans you can use. See our pre-approved plans guide and California ADU law summary.

Planning an ADU in Cudahy? Start here

How to Legalize an Unpermitted ADU in California (AB 2533)Two-Story and Above-Garage ADUs in California: Height Rules, Costs and DesignGarage Conversion ADU Cost in Southern California (and What Drives It)Prefab and Modular ADUs in California: Real Costs, Permits and Pitfalls

All ADU guides →

Cudahy ADU FAQ

How many ADU builders serve Cudahy?

Our directory lists 19 ADU builders and contractors that appear for Cudahy on Google Maps, including companies based in nearby Los Angeles County communities.

Do I need a permit to build an ADU in Cudahy?

Yes. ADUs need a building permit from the City of Cudahy, 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 Cudahy?

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 Cudahy 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.

Nearby cities in Los Angeles County

Los Angeles 118Long Beach 119Santa Clarita 27Glendale 117Lancaster 12Palmdale 12Pomona 67Torrance 98Pasadena 100Downey 28West Covina 68El Monte 24
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