Cornejos Builders ADU Construction & Home Building
4.8 (39 Google reviews)
✔ CSLB License Verified #10651458909 Elmont Ave, Downey, CA 90240
Serves Maywood · based in DowneyADU specialistRemodels & additionsHome builder
ADU Builders in Maywood, CA
3 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 Maywood homeowners who are comparing builders right now. Includes your logo, project photos, a direct call button and a link to your website.
Located in Los Angeles County, Maywood had a 2020 Census population of about 25,138. We found 3 ADU builders and contractors that show up for Maywood homeowners on Google Maps, most of them based in nearby communities. Their average Google rating is 4.7 stars. 2 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 Cornejos Builders ADU Construction & Home Building, ADU Contractor Orange County and Expert Home Builders.
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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ADU Contractor Orange County
5.0 (6 Google reviews)
Service-area business · Huntington Park
Serves Maywood · 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 Maywood · based in CommerceHome builderGeneral contractor
Permits and pre-approved plans in Maywood
ADU permits in Maywood 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 Maywood whether it has approved plans you can use. See our pre-approved plans guide and California ADU law summary.
Planning an ADU in Maywood? Start here
Maywood ADU FAQ
How many ADU builders serve Maywood?
Our directory lists 3 ADU builders and contractors that appear for Maywood on Google Maps, including companies based in nearby Los Angeles County communities.
Do I need a permit to build an ADU in Maywood?
Yes. ADUs need a building permit from the City of Maywood, 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 Maywood?
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 Maywood 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.