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ADU Builders in Calabasas, CA

110 builders · ranked by Google rating and review volume · 70 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 Calabasas 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, Calabasas had a 2020 Census population of about 23,241. We found 110 ADU builders and contractors that show up for Calabasas homeowners on Google Maps, 11 of them based in the city itself. Their average Google rating is 4.9 stars. 19 market themselves specifically as ADU builders, and 10 mention garage conversions. 70 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are KM BUILDERS, My Cali Builders Inc and GL Pro Remodeling 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.

#1

KM BUILDERS

5.0 (522 Google reviews)

19562 Ventura Blvd Ste 209, Tarzana, CA 91356

Serves Calabasas · based in Tarzana
Garage conversionsRemodels & additionsGeneral contractor
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#2

My Cali Builders Inc

5.0 (151 Google reviews)
✔ CSLB License Verified #1072368

24021 Friar St, Woodland Hills, CA 91367

Serves Calabasas · based in Woodland Hills
Remodels & additionsGeneral contractor
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#6

GreatBuildz

5.0 (98 Google reviews)

17141 Ventura Blvd, Encino, CA 91316

Serves Calabasas · based in Encino
Garage conversionsRemodels & additionsHome builderGeneral contractor
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#7

Perfecto Remodeling

5.0 (89 Google reviews)
✔ CSLB License Verified #1073777

6320 Canoga Ave Ste 1500 -#2315, Woodland Hills, CA 91367

Serves Calabasas · based in Woodland Hills
Remodels & additionsHome builderGeneral contractor
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#8

ADU Conversion

5.0 (86 Google reviews)

Service-area business · Simi Valley

Serves Calabasas · based in Simi Valley
ADU specialistRemodels & additionsGeneral contractor
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#13

SOUL Builders

5.0 (55 Google reviews)
✔ CSLB License Verified #1103425

18163 Arminta St, Reseda, CA 91335

Serves Calabasas · based in Reseda
General contractor
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#14

Eden Builders

5.0 (54 Google reviews)
✔ CSLB License Verified #891510

4616 Santa Lucia Dr, Woodland Hills, CA 91364

Serves Calabasas · based in Woodland Hills
Remodels & additionsHome builderGeneral contractor
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#15

LA Top Builders

5.0 (52 Google reviews)
✔ CSLB License Verified #1077576

20701 Exhibit Pl, Woodland Hills, CA 91367

Serves Calabasas · based in Woodland Hills
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#16

Flip It Homes Inc.

5.0 (51 Google reviews)
✔ CSLB License Verified #1043456

20501 Ventura Blvd #135, Woodland Hills, CA 91364

Serves Calabasas · based in Woodland Hills
Home builder
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#17

RnD Builders Inc

5.0 (50 Google reviews)
✔ CSLB License Verified #1081122

21250 Califa St #214, Woodland Hills, CA 91367

Serves Calabasas · based in Woodland Hills
Remodels & additionsHome builderGeneral contractor
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#25

X Buildup

5.0 (32 Google reviews)
✔ CSLB License Verified #1075868

21825 Erwin St Ste 1076, Woodland Hills, CA 91367

Serves Calabasas · based in Woodland Hills
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#29

ADU Concepts

5.0 (30 Google reviews)
✔ CSLB License Verified #1018294

18375 Ventura Blvd, Tarzana, CA 91356

Serves Calabasas · based in Tarzana
ADU specialist
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#30

Preferred Home Builders

4.9 (135 Google reviews)
✔ CSLB License Verified #773147

21204 Vanowen St, Canoga Park, CA 91303

Serves Calabasas · based in Canoga Park
Garage conversionsRemodels & additionsHome builderGeneral contractor
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#32

Syan Builders Inc

5.0 (29 Google reviews)
✔ CSLB License Verified #1129951

19040 Bessemer St, Tarzana, CA 91335

Serves Calabasas · based in Tarzana
Remodels & additionsGeneral contractor
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#33

HomeAdd

5.0 (28 Google reviews)

22256 Buenaventura St, Woodland Hills, CA 91364

Serves Calabasas · based in Woodland Hills
Remodels & additionsHome builderGeneral contractor
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#34

MY Home Builders

4.9 (99 Google reviews)
✔ CSLB License Verified #1002927

20720 Ventura Blvd Unit 280, Woodland Hills, CA 91364

Serves Calabasas · based in Woodland Hills
Remodels & additionsHome builderGeneral contractor
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#35

Dream Home Design & Build

5.0 (25 Google reviews)
✔ CSLB License Verified #1092321

7539 Hatillo Ave, Winnetka, CA 91306

Serves Calabasas · based in Winnetka
Design-buildGarage conversionsRemodels & additionsHome builderGeneral contractor
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#36

Adar Builders Inc

4.9 (67 Google reviews)
✔ CSLB License Verified #1051859

7673 Winnetka Ave, Winnetka, CA 91306

Serves Calabasas · based in Winnetka
Remodels & additionsHome builderGeneral contractor
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#37

Vivid Homes Inc

4.9 (65 Google reviews)
✔ CSLB License Verified #1052058

22900 Ventura Blvd #260, Woodland Hills, CA 91364

Serves Calabasas · based in Woodland Hills
Remodels & additionsHome builder
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#38

MASTER IN DESIGN

4.9 (62 Google reviews)
✔ CSLB License Verified #979219

6011 Reseda Blvd, Tarzana, CA 91356

Serves Calabasas · based in Tarzana
Remodels & additionsHome builderGeneral contractor
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#40

360 Builders

5.0 (20 Google reviews)

19562 Ventura Blvd #230, Tarzana, CA 91356

Serves Calabasas · based in Tarzana
Home builderGeneral contractor
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#43

Nobel Builders

5.0 (19 Google reviews)
✔ CSLB License Verified #1105489

21402 Wyandotte St, Canoga Park, CA 91303

Serves Calabasas · based in Canoga Park
Remodels & additionsHome builderGeneral contractor
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#44

ATARI Home Builders

4.9 (44 Google reviews)
✔ CSLB License Verified #1088740

19720 Ventura Blvd e1, Woodland Hills, CA 91364

Serves Calabasas · based in Woodland Hills
Remodels & additionsHome builderGeneral contractor
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#46

DVB CONSTRUCTION

5.0 (18 Google reviews)
✔ CSLB License Verified #1112397

Service-area business · Agoura Hills

Serves Calabasas · based in Agoura Hills
Remodels & additionsGeneral contractor
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#47

Upfront Remodeling

5.0 (18 Google reviews)
✔ CSLB License Verified #1101426

5676 Lindley Ave, Encino, CA 91316

Serves Calabasas · based in Encino
Remodels & additionsHome builderGeneral contractor
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#49

KōRA Design Build

5.0 (16 Google reviews)

6980 N Platt Ave Unit 1 Studio, West Hills, CA 91307

Serves Calabasas · based in West Hills
Design-buildRemodels & additionsHome builderGeneral contractor
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#55

Reef Builders Inc

5.0 (15 Google reviews)
✔ CSLB License Verified #1096502

Service-area business · Calabasas

Serves Calabasas · based in Calabasas
Remodels & additionsHome builderGeneral contractor
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#58

DG Builders inc

5.0 (13 Google reviews)
✔ CSLB License Verified #1067237

23073 Enadia Way, West Hills, CA 91307

Serves Calabasas · based in West Hills
Remodels & additionsHome builderGeneral contractor
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#62

Built To Perfection, Inc.

4.8 (119 Google reviews)
✔ CSLB License Verified #837987

21201 Victory Blvd Unit 235, Canoga Park, CA 91303

Serves Calabasas · based in Canoga Park
Remodels & additionsHome builderGeneral contractor
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#64

H&A My Design, Inc.

4.8 (78 Google reviews)
✔ CSLB License Verified #1110519

6723 Variel Ave, Canoga Park, CA 91303

Serves Calabasas · based in Canoga Park
Remodels & additionsGeneral contractor
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#68

HB Links

5.0 (10 Google reviews)

Service-area business · Calabasas

Serves Calabasas · based in Calabasas
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#72

Home Creations

5.0 (8 Google reviews)
✔ CSLB License Verified #1057627

22938 Leonora Dr, Woodland Hills, CA 91367

Serves Calabasas · based in Woodland Hills
General contractor
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#73

DTA DESIGN BUILD

5.0 (8 Google reviews)
✔ CSLB License Verified #1163607

23342 Mariano St, Woodland Hills, CA 91367

Serves Calabasas · based in Woodland Hills
Design-buildGeneral contractor
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#79

Ohana Remodeling

5.0 (7 Google reviews)
✔ CSLB License Verified #1101325

6735 Glade Ave, Los Angeles, CA 91303

Serves Calabasas · based in Los Angeles
Remodels & additionsGeneral contractor
CallWebsiteView profile
#85

Pearl Remodeling

4.7 (72 Google reviews)
✔ CSLB License Verified #955824

6803 Yarmouth Ave, Reseda, CA 91335

Serves Calabasas · based in Reseda
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#88

EN Builders Inc

4.8 (11 Google reviews)
✔ CSLB License Verified #977804

18375 Ventura Blvd #227, Tarzana, CA 91356

Serves Calabasas · based in Tarzana
General contractor
CallWebsiteView profile
#94

Level Up Contractor Inc.

4.6 (37 Google reviews)
✔ CSLB License Verified #1053375

6700 Fallbrook Ave #224b, West Hills, CA 91307

Serves Calabasas · based in West Hills
Garage conversionsRemodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#97

Palm Home Remodeling

4.6 (11 Google reviews)
✔ CSLB License Verified #1140584

21241 Ventura Blvd Unit 180, Woodland Hills, CA 91364

Serves Calabasas · based in Woodland Hills
Remodels & additions
CallWebsiteView profile
#103

ADU1

1.0 (1 Google reviews)

19326 Ventura Blvd #200, Tarzana, CA 91356

Serves Calabasas · based in Tarzana
ADU specialist
CallWebsiteView profile
#106

Bella ADU

No rating yet (0 Google reviews)
✔ CSLB License Verified #599288

Service-area business · Calabasas

Serves Calabasas · based in Calabasas
ADU specialistHome builder
CallWebsiteView profile

Permits and pre-approved plans in Calabasas

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

Planning an ADU in Calabasas? Start here

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All ADU guides →

Calabasas ADU FAQ

How many ADU builders serve Calabasas?

Our directory lists 110 ADU builders and contractors that appear for Calabasas on Google Maps, including companies based in nearby Los Angeles County communities.

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

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

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 Calabasas 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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