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ADU Builders & Contractors in Calabasas, CA

Calabasas, CA is home to 224 ADU contractors ready to help. From initial permits to final inspection, these local professionals know Calabasas's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for Calabasas

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 224 ADU Contractors in Calabasas

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#1PARAMOUNT CONSTRUCTION SERVICES

Calabasas, CA

Paramount Construction Services — licensed ADU contractor in Calabasas, CA. Detached ADU construction.

View Profile📞 (818) 391 4167
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#2PRISTINE CONSTRUCTION GROUP INC

Calabasas, CA

Pristine Construction Group Inc — licensed ADU contractor in Calabasas, CA. Detached ADU construction.

View Profile📞 (818) 821 0070
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#3HEY BUILDERS INC

Calabasas, CA

Hey Builders Inc — licensed ADU contractor in Calabasas, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (818) 224 8560
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#4XLART GROUP INC THE

Calabasas, CA

Xlart Group Inc The — licensed ADU contractor in Calabasas, CA. Detached ADU construction. 25+ years experience.

View Profile📞 (818) 943 0063
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#5126 NEW CONSTRUCTION INC

Calabasas, CA

126 New Construction Inc — licensed ADU contractor in Calabasas, CA. Detached ADU construction. 38+ years experience.

View Profile📞 (818) 516 3843
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#6WEISSMAN CONSTRUCTION

Calabasas, CA

Weissman Construction — licensed ADU contractor in Calabasas, CA. Detached ADU construction. 38+ years experience.

View Profile📞 (818) 517 4884
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#7A L C ELECTRIC

Calabasas, CA

A L C Electric — licensed ADU contractor in Calabasas, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (310) 922 8999
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#8COASTAL AQUATIC CREATIONS

Calabasas, CA

Coastal Aquatic Creations — licensed ADU contractor in Calabasas, CA. Detached ADU construction. 31+ years experience.

View Profile📞 (310) 393 3831
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#9CALLANAN CONSTRUCTION

Calabasas, CA

Callanan Construction — licensed ADU contractor in Calabasas, CA. Detached ADU construction. 28+ years experience.

View Profile📞 (310) 350 7008
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#10JUDYS CONSTRUCTION

Calabasas, CA

Judys Construction — licensed ADU contractor in Calabasas, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (818) 802 8100
View All 224 Contractors →

💰 How Much Does an ADU Cost in Calabasas?

Garage Conversion

$68,500 - $128,500

Converting existing garage to living space

Detached ADU

$147,000 - $322,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,097 - $5,097

Plan check, permits, utility connections

* Costs vary based on size, finishes, site conditions, and contractor. Get quotes from multiple Calabasas contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Calabasas

How much does it cost to build an ADU in Calabasas?▼
The average cost to build an ADU in Calabasas ranges from $147,000 to $322,000, or approximately $197 to $372 per square foot. Garage conversions typically cost $68,500 to $128,500.
How long does it take to get an ADU permit in Calabasas?▼
The ADU permit process in Calabasas typically takes 60 to 120 weeks. California law requires cities to approve or deny ADU permits within 60 days of receiving a complete application.
What are the ADU size limits in Calabasas?▼
In Calabasas, detached ADUs can be up to 1200 square feet. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sqft, whichever is less. Junior ADUs (JADUs) are limited to 500 sqft and must be within the existing home.
What is the setback requirement for ADUs in Calabasas?▼
Calabasas requires 4-foot setbacks from side property lines and 4-foot setbacks from rear property lines for new ADU construction. Converted structures (like existing garages) may maintain their current setbacks.
Do I need to provide parking for my ADU in Calabasas?▼
No parking is required for ADUs in Calabasas if your property is within half a mile of public transit, in a historic district, part of an existing multi-family building, or if the ADU is a garage conversion. Otherwise, one space may be required.

Also See ADU Contractors In

Los Angeles (3215)San Diego (2582)San Francisco (2170)Sacramento (1551)Riverside (925)Fresno (904)Anaheim (784)Irvine (760)

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