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ADU Builders in El Monte, CA

24 builders · ranked by Google rating and review volume · 13 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 El Monte 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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Located in Los Angeles County, El Monte had a 2020 Census population of about 109,450. We found 24 ADU builders and contractors that show up for El Monte homeowners on Google Maps, 3 of them based in the city itself. Their average Google rating is 4.9 stars. 8 market themselves specifically as ADU builders. 13 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Zenith Builder, D G Custom Construction & Electrical Inc and Nicholas Construction & Development 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.

#1

Zenith Builder

5.0 (46 Google reviews)
✔ CSLB License Verified #1035285

Service-area business · Temple City

Serves El Monte · based in Temple City
Remodels & additions
CallWebsiteView profile
#8

The ADU Company

5.0 (6 Google reviews)
✔ CSLB License Verified #1118354

504 E Navilla Pl, Covina, CA 91723

Serves El Monte · based in Covina
ADU specialistRemodels & additionsHome builderGeneral contractor
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#12

A.D.U. Builders

5.0 (2 Google reviews)
✔ CSLB License Verified #1080549

217 E Victoria Ave, Montebello, CA 90640

Serves El Monte · based in Montebello
ADU specialist
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#14

LYF Design & Development Inc

5.0 (2 Google reviews)
✔ CSLB License Verified #1072862

1201 W Huntington Dr Unit 208, Arcadia, CA 91007

Serves El Monte · based in Arcadia
General contractor
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#23

JLF ADU

No rating yet (0 Google reviews)
✔ CSLB License Verified #1075968

4716 N Fircroft Ave, Covina, CA 91722

Serves El Monte · based in Covina
ADU specialist
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#24

Robles Inc ADU

No rating yet (0 Google reviews)

Service-area business · La Puente

Serves El Monte · based in La Puente
ADU specialist
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Permits and pre-approved plans in El Monte

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

Planning an ADU in El Monte? Start here

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El Monte ADU FAQ

How many ADU builders serve El Monte?

Our directory lists 24 ADU builders and contractors that appear for El Monte on Google Maps, including companies based in nearby Los Angeles County communities.

Do I need a permit to build an ADU in El Monte?

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

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 El Monte 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 68Inglewood 46
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