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ADU Builders & Contractors in La Mesa, CA

La Mesa, CA is home to 245 ADU contractors ready to help. From initial permits to final inspection, these local professionals know La Mesa's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for La Mesa

Avg. Cost/sqft

$206-$381

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 245 ADU Contractors in La Mesa

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#1AERO PATIO & HOME IMPROVEMENTS INC

La Mesa, CA

Aero Patio & Home Improvements Inc — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 16+ years experience.

View Profile📞 (619) 447 7777
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#2CENTRIC BUILDING SERVICES INC

La Mesa, CA

Centric Building Services Inc — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (619) 871 1445
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#3K G CONSTRUCTION

La Mesa, CA

K G Construction — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (619) 895 5916
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#4S & S CONSTRUCTION

La Mesa, CA

S & S Construction — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (619) 787 0156
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#5K C CONSTRUCTION

La Mesa, CA

K C Construction — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (760) 497 5088
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#6GREG TRAVER CONSTRUCTION

La Mesa, CA

Greg Traver Construction — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (760) 702 0200
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#7FEILEN GARY CONSTRUCTION

La Mesa, CA

Feilen Gary Construction — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 48+ years experience.

View Profile📞 (619) 381 7430
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#8ARROW BUILDING & COATING INC

La Mesa, CA

Arrow Building & Coating Inc — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 42+ years experience.

View Profile📞 (619) 300 4361
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#9GLOVER CONSTRUCTION COMPANY

La Mesa, CA

Glover Construction Company — licensed ADU contractor in LA Mesa, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (619) 741 6510
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#10SMITH AND SON BUILDERS LLC

La Mesa, CA

Smith And Son Builders Llc — licensed ADU contractor in LA Mesa, CA. Detached ADU construction.

View Profile📞 (909) 238 0284
View All 245 Contractors →

💰 How Much Does an ADU Cost in La Mesa?

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

$1,097 - $5,097

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in La Mesa

How much does it cost to build an ADU in La Mesa?▼
The average cost to build an ADU in La Mesa 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 La Mesa?▼
The ADU permit process in La Mesa 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 La Mesa?▼
In La Mesa, 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 La Mesa?▼
La Mesa 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 La Mesa?▼
No parking is required for ADUs in La Mesa 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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