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ADU Builders & Contractors in Littlerock, CA

With 35 verified ADU contractors serving Littlerock, CA, homeowners have plenty of options for their accessory dwelling unit project. Local contractors ready to help specialize in everything from design-build to permit navigation.

📊 ADU Quick Facts for Littlerock

Avg. Cost/sqft

$206-$381

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 35 ADU Contractors in Littlerock

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#1CUSTOM KITCHEN TILE

Littlerock, CA

Custom Kitchen Tile — licensed ADU contractor in Littlerock, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (818) 738 4368
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#2G C CONSTRUCTIONS

Littlerock, CA

G C Constructions — licensed ADU contractor in Littlerock, CA. Detached ADU construction.

View Profile📞 (661) 936 8986
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#3ESPARZA CONSTRUCTION INC.

Littlerock, CA

Esparza Construction Inc. — licensed ADU contractor in Littlerock, CA. Detached ADU construction.

View Profile📞 (661) 508 7474
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#4VALLEY BUILDER GROUP

Littlerock, CA

Valley Builder Group — licensed ADU contractor in Littlerock, CA. Detached ADU construction.

View Profile📞 (323) 218 7620
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#5ALPHAA CONSTRUCTION INC

Littlerock, CA

Alphaa Construction Inc — licensed ADU contractor in Littlerock, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (818) 261 2429
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#6CHALLMAN MAINTENANCE SERVICE

Littlerock, CA

Challman Maintenance Service — licensed ADU contractor in Littlerock, CA. Detached ADU construction. 23+ years experience.

View Profile📞 (661) 917 2174
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#7THOMPSON BUILDERS

Littlerock, CA

Thompson Builders — licensed ADU contractor in Littlerock, CA. Detached ADU construction. 35+ years experience.

View Profile📞 (661) 878 1773
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#8STRAIGHT & LEVEL TILE AND MARBLE

Littlerock, CA

Straight & Level Tile And Marble — licensed ADU contractor in Littlerock, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (818) 515 0170
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#9QUIJAS GENERAL CONSTRUCTION INC

Littlerock, CA

Quijas General Construction Inc — licensed ADU contractor in Littlerock, CA. Detached ADU construction.

View Profile📞 (661) 544 5909
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#10BIG ROCK CONSTRUCTION

Littlerock, CA

Big Rock Construction — licensed ADU contractor in Littlerock, CA. Detached ADU construction.

View Profile📞 (661) 547 0818
View All 35 Contractors →

💰 How Much Does an ADU Cost in Littlerock?

Garage Conversion

$73,000 - $133,000

Converting existing garage to living space

Detached ADU

$156,000 - $331,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,105 - $5,105

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Littlerock

How much does it cost to build an ADU in Littlerock?▼
The average cost to build an ADU in Littlerock ranges from $156,000 to $331,000, or approximately $206 to $381 per square foot. Garage conversions typically cost $73,000 to $133,000.
How long does it take to get an ADU permit in Littlerock?▼
The ADU permit process in Littlerock 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 Littlerock?▼
In Littlerock, 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 Littlerock?▼
Littlerock 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 Littlerock?▼
No parking is required for ADUs in Littlerock 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

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