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ADU Builders & Contractors in Avalon, CA

With 11 verified ADU contractors serving Avalon, 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 Avalon

Avg. Cost/sqft

$195-$370

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 11 ADU Contractors in Avalon

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#1P L S BUILDER

Avalon, CA

P L S Builder — licensed ADU contractor in Avalon, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (310) 383 3900
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#2ZELLER CONSTRUCTION

Avalon, CA

Zeller Construction — licensed ADU contractor in Avalon, CA. Detached ADU construction. 29+ years experience.

View Profile📞 (310) 714 3808
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#3AVALON PLUMBING & CONSTRUCTION

Avalon, CA

Avalon Plumbing & Construction — licensed ADU contractor in Avalon, CA. Detached ADU construction. 20+ years experience.

View Profile📞 (714) 788 6806
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#4ELIAS GARCIA CONSTRUCTION INC

Avalon, CA

Elias Garcia Construction Inc — licensed ADU contractor in Avalon, CA. Detached ADU construction.

View Profile📞 (213) 248 5954
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#5THOMPSON DAVID CONSTRUCTION

Avalon, CA

Thompson David Construction — licensed ADU contractor in Avalon, CA. Detached ADU construction. 36+ years experience.

View Profile📞 (310) 702 7153
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#6FINE LINE CONSTRUCTION INC

Avalon, CA

Fine Line Construction Inc — licensed ADU contractor in Avalon, CA. Detached ADU construction. 34+ years experience.

View Profile📞 (310) 510 1943
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#7STRAIGHT UP BUILDERS INC

Avalon, CA

Straight UP Builders Inc — licensed ADU contractor in Avalon, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (310) 510 0011
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#8ALTHERR L J DESIGN AND CONSTRUCTION

Avalon, CA

Altherr L J Design And Construction — licensed ADU contractor in Avalon, CA. Detached ADU construction. 29+ years experience.

View Profile📞 (310) 351 5676
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#9PLANNED ENVIRONMENTS

Avalon, CA

Planned Environments — licensed ADU contractor in Avalon, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (310) 997 5473
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#10WRIGHT GREG CONSTRUCTION

Avalon, CA

Wright Greg Construction — licensed ADU contractor in Avalon, CA. Detached ADU construction. 32+ years experience.

View Profile📞 (775) 600 5483
View All 11 Contractors →

💰 How Much Does an ADU Cost in Avalon?

Garage Conversion

$67,500 - $127,500

Converting existing garage to living space

Detached ADU

$145,000 - $320,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,118 - $5,118

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Avalon

How much does it cost to build an ADU in Avalon?▼
The average cost to build an ADU in Avalon ranges from $145,000 to $320,000, or approximately $195 to $370 per square foot. Garage conversions typically cost $67,500 to $127,500.
How long does it take to get an ADU permit in Avalon?▼
The ADU permit process in Avalon 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 Avalon?▼
In Avalon, 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 Avalon?▼
Avalon 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 Avalon?▼
No parking is required for ADUs in Avalon 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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