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ADU Builders in Arcadia, CA

60 builders · ranked by Google rating and review volume · 21 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 Arcadia 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, Arcadia had a 2020 Census population of about 56,681. We found 60 ADU builders and contractors that show up for Arcadia homeowners on Google Maps, 1 of them based in the city itself. Their average Google rating is 4.8 stars. 20 market themselves specifically as ADU builders. 21 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Coronado Construction Company Inc, Zenith Builder and CAP Angeles 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.

#2

Zenith Builder

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

Service-area business · Temple City

Serves Arcadia · based in Temple City
Remodels & additions
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#4

Teamup Construction

5.0 (17 Google reviews)
✔ CSLB License Verified #1134224

35 N Lake Ave #710, Pasadena, CA 91101

Serves Arcadia · based in Pasadena
Remodels & additionsHome builderGeneral contractor
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#13

Enhaus Design Build

5.0 (11 Google reviews)
✔ CSLB License Verified #1104705

778 Alameda St, Altadena, CA 91001

Serves Arcadia · based in Altadena
Design-buildHome builderGeneral contractor
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#17

Nott & Associates

5.0 (8 Google reviews)
✔ CSLB License Verified #746905

1508 Mission St, South Pasadena, CA 91030

Serves Arcadia · based in South Pasadena
Remodels & additionsHome builderGeneral contractor
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#20

LUDIS INC

5.0 (7 Google reviews)
✔ CSLB License Verified #1061815

15 E McLean St, Alhambra, CA 91801

Serves Arcadia · based in Alhambra
Remodels & additionsHome builderGeneral contractor
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#22

The ADU Company

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

504 E Navilla Pl, Covina, CA 91723

Serves Arcadia · based in Covina
ADU specialistRemodels & additionsHome builderGeneral contractor
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#51

MF ADU

3.0 (2 Google reviews)

1979 Lake Ave, Altadena, CA 91001

Serves Arcadia · based in Altadena
ADU specialistHome builder
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#54

JLF ADU

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

4716 N Fircroft Ave, Covina, CA 91722

Serves Arcadia · based in Covina
ADU specialist
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#58

Robles Inc ADU

No rating yet (0 Google reviews)

Service-area business · La Puente

Serves Arcadia · based in La Puente
ADU specialist
CallView profile
#60

ADU Express

No rating yet (0 Google reviews)

Service-area business · Duarte

Serves Arcadia · based in Duarte
ADU specialist
CallView profile

Permits and pre-approved plans in Arcadia

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

Planning an ADU in Arcadia? Start here

How Much Does It Cost to Build an ADU in Southern California?AB 1033: Can You Sell an ADU Separately in California?JADU vs ADU in California: Size, Rules, Cost and Which to BuildGarage Conversion ADU Cost in Southern California (and What Drives It)

All ADU guides →

Arcadia ADU FAQ

How many ADU builders serve Arcadia?

Our directory lists 60 ADU builders and contractors that appear for Arcadia on Google Maps, including companies based in nearby Los Angeles County communities.

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

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

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 Arcadia 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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