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ADU Builders in Glendale, CA

117 builders · ranked by Google rating and review volume · 37 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 Glendale 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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Glendale is home to about 196,543 people (2020 Census) in Los Angeles County. We found 117 ADU builders and contractors that show up for Glendale homeowners on Google Maps, 15 of them based in the city itself. Their average Google rating is 4.8 stars. 63 market themselves specifically as ADU builders, and 5 mention garage conversions. 37 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Hollywood Contractor Corp, UBIC and Alpha Pro Builders Los Angeles - Kitchen, Bathroom & ADU Remodeling.

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

Hollywood Contractor Corp

5.0 (105 Google reviews)
✔ CSLB License Verified #1092628

3171 Los Feliz Blvd Ste 209, Los Angeles, CA 90039

Serves Glendale · based in Los Angeles
Remodels & additionsGeneral contractor
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#2

UBIC

5.0 (103 Google reviews)

Service-area business · Burbank

Serves Glendale · based in Burbank
Remodels & additions
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#4

Buba LLC

5.0 (48 Google reviews)
✔ CSLB License Verified #1113734

401 N Brand Blvd Unit 354, Glendale, CA 91203

Based in Glendale
Remodels & additionsHome builderGeneral contractor
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#7

GreenTech Builders Inc

5.0 (39 Google reviews)
✔ CSLB License Verified #999332

360 Burnside Ave Unit 9J, Los Angeles, CA 90036

Serves Glendale · based in Los Angeles
Garage conversionsRemodels & additionsHome builderGeneral contractor
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#10

AP Remodeling Inc.

4.9 (158 Google reviews)
✔ CSLB License Verified #1049032

5972 Washington Blvd, Culver City, CA 90232

Serves Glendale · based in Culver City
Garage conversionsRemodels & additionsHome builderGeneral contractor
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#14

Ace Design & Build

5.0 (29 Google reviews)
✔ CSLB License Verified #1132942

205 S Broadway 7 #7, Los Angeles, CA 90012

Serves Glendale · based in Los Angeles
Design-buildGeneral contractor
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#16

YOR Construction

4.9 (96 Google reviews)

12135 Miranda St, Valley Village, CA 91607

Serves Glendale · based in Valley Village
Garage conversionsRemodels & additionsHome builderGeneral contractor
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#19

Golden ADU

5.0 (25 Google reviews)

2412 Thurman Ave., Los Angeles, CA 90016

Serves Glendale · based in Los Angeles
ADU specialistHome builder
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#20

ADU Builders Today

4.9 (61 Google reviews)

1346 Foothill Blvd #407, La Cañada Flintridge, CA 91011

Serves Glendale · based in La Cañada Flintridge
ADU specialistGeneral contractor
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#21

Spazio LA Designs

4.9 (56 Google reviews)
✔ CSLB License Verified #1006766

10620 Magnolia Blvd Suite 1, North Hollywood, CA 91601

Serves Glendale · based in North Hollywood
Remodels & additionsHome builderGeneral contractor
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#28

Build Method Construction

4.9 (37 Google reviews)
✔ CSLB License Verified #1059684

12304 Moorpark St, Studio City, CA 91604

Serves Glendale · based in Studio City
Remodels & additionsHome builderGeneral contractor
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#29

M.E.Development, Inc.

5.0 (17 Google reviews)
✔ CSLB License Verified #992342

6015 Washington Blvd, Culver City, CA 90232

Serves Glendale · based in Culver City
Remodels & additionsHome builderGeneral contractor
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#30

Ohayon Construction

5.0 (17 Google reviews)
✔ CSLB License Verified #1039632

340 Hayworth Ave, Los Angeles, CA 90048

Serves Glendale · based in Los Angeles
Remodels & additionsHome builderGeneral contractor
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#43

AV Builders

5.0 (11 Google reviews)
✔ CSLB License Verified #1129440

4821 Lankershim Blvd Ste. F #445, North Hollywood, CA 91601

Serves Glendale · based in North Hollywood
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#45

EG Modern Construction

5.0 (10 Google reviews)
✔ CSLB License Verified #1115851

421 E Elmwood Ave H, Burbank, CA 91501

Serves Glendale · based in Burbank
ADU specialistRemodels & additionsHome builderGeneral contractor
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#47

Infinite Development Group

5.0 (10 Google reviews)
✔ CSLB License Verified #1120847

2505 Foothill Blvd Unit E, La Crescenta-Montrose, CA 91214

Serves Glendale · based in La Crescenta-Montrose
Remodels & additionsHome builderGeneral contractor
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#64

Home Front Build

4.8 (9 Google reviews)
✔ CSLB License Verified #962293

715 Cypress Ave, Los Angeles, CA 90065

Serves Glendale · based in Los Angeles
Remodels & additionsHome builderGeneral contractor
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#66

BUILDER 20 INC

5.0 (3 Google reviews)
✔ CSLB License Verified #1023066

1817 N Ave 56, Los Angeles, CA 90042

Serves Glendale · based in Los Angeles
General contractor
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#68

Ardyn Construction

5.0 (3 Google reviews)
✔ CSLB License Verified #1151308

300 N 3rd St Ste 258, Burbank, CA 91502

Serves Glendale · based in Burbank
Remodels & additionsHome builderGeneral contractor
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#74

A.D.U. Builders

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

217 E Victoria Ave, Montebello, CA 90640

Serves Glendale · based in Montebello
ADU specialist
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#75

Eazy ADU

5.0 (2 Google reviews)
✔ CSLB License Verified #1057881

5670 Wilshire Blvd Ste 1801, Los Angeles, CA 90036

Serves Glendale · based in Los Angeles
ADU specialistHome builderGeneral contractor
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#80

D-Best ADU Company

5.0 (2 Google reviews)

2626 Foothill Blvd, La Crescenta-Montrose, CA 91214

Serves Glendale · based in La Crescenta-Montrose
ADU specialist
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#85

Otto ADU

4.6 (13 Google reviews)
✔ CSLB License Verified #1081287

2926 Denby Ave Unit B, Los Angeles, CA 90039

Serves Glendale · based in Los Angeles
ADU specialist
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#89

ADU Services

5.0 (1 Google reviews)

8748 Holloway Dr Ste 120, West Hollywood, CA 90069

Serves Glendale · based in West Hollywood
ADU specialistHome builder
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#90

ADU Design

5.0 (1 Google reviews)

1116 N Spaulding Ave, West Hollywood, CA 90046

Serves Glendale · based in West Hollywood
ADU specialistGeneral contractor
CallView profile
#98

BlackRock Builder

4.4 (7 Google reviews)
✔ CSLB License Verified #1042149

Service-area business · Los Angeles

Serves Glendale · based in Los Angeles
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#100

MF ADU

3.0 (2 Google reviews)

1979 Lake Ave, Altadena, CA 91001

Serves Glendale · based in Altadena
ADU specialistHome builder
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#102

ADU Design

3.0 (2 Google reviews)

1262 Sunset Plaza Dr, Los Angeles, CA 90069

Serves Glendale · based in Los Angeles
ADU specialistGeneral contractor
CallView profile
#104

Sky Remodeling

2.4 (7 Google reviews)

143 S Glendale Ave, Glendale, CA 91205

Based in Glendale
Remodels & additionsGeneral contractor
CallView profile
#105

Direct ADU

No rating yet (0 Google reviews)

1651 1/2 S Rimpau Blvd, Los Angeles, CA 90019

Serves Glendale · based in Los Angeles
ADU specialistHome builder
CallWebsiteView profile
#107

The ADU Factory

No rating yet (0 Google reviews)

1504 S Fairfax Ave Unit 10, Los Angeles, CA 90019

Serves Glendale · based in Los Angeles
ADU specialistPrefab / modular
CallView profile
#109

Kavo ADU

No rating yet (0 Google reviews)

5919 W 3rd St Ste 2B, Los Angeles, CA 90036

Serves Glendale · based in Los Angeles
ADU specialistRemodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#115

OakADU

No rating yet (0 Google reviews)

9671 Sunland Blvd Suite 2A, Shadow Hills, CA 91040

Serves Glendale · based in Shadow Hills
ADU specialist
CallWebsiteView profile

Permits and pre-approved plans in Glendale

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

Planning an ADU in Glendale? Start here

How to Legalize an Unpermitted ADU in California (AB 2533)Garage Conversion ADU Cost in Southern California (and What Drives It)SB 9 vs ADU: Lot Splits, Duplexes and Backyard Units in CaliforniaADU Rental Income and Property Taxes in California: What to Expect

All ADU guides →

Glendale ADU FAQ

How many ADU builders serve Glendale?

Our directory lists 117 ADU builders and contractors that appear for Glendale on Google Maps, including companies based in nearby Los Angeles County communities.

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

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

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 Glendale 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 27Lancaster 12Palmdale 12Pomona 67Torrance 98Pasadena 100Downey 28West Covina 68El Monte 24Inglewood 46
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