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ADU Builders & Contractors in Lake Elsinore, CA

Building an ADU in Lake Elsinore? You'll find 220 licensed contractors in the area, ready to help. Lake Elsinore's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Lake Elsinore

Avg. Cost/sqft

$206-$381

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 220 ADU Contractors in Lake Elsinore

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#1SIERRA CONSTRUCTION & REMODEL INC

Lake Elsinore, CA

Sierra Construction & Remodel Inc — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction.

View Profile📞 (951) 293 9176
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#2LAKEVINE

Lake Elsinore, CA

Lakevine — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (949) 705 8814
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#3APRICOT CONSTRUCTION CORP

Lake Elsinore, CA

Apricot Construction Corp — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction.

View Profile📞 (323) 677 8418
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#4J M C BUILDERS

Lake Elsinore, CA

J M C Builders — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (951) 226 6853
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#5ENDRESEN DEVELOPMENT INC

Lake Elsinore, CA

Endresen Development Inc — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (951) 757 5695
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#6K M E MAINTENANCE

Lake Elsinore, CA

K M E Maintenance — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (949) 533 0163
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#7BROOKSTONE INDUSTRIAL

Lake Elsinore, CA

Brookstone Industrial — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction.

View Profile📞 (951) 457 3650
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#85 STAR BUILDER

Lake Elsinore, CA

5 Star Builder — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (949) 678 0763
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#9INNOVATED GENERAL CONSTRUCTION

Lake Elsinore, CA

Innovated General Construction — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction.

View Profile📞 (951) 580 8530
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#10J M CONSTRUCTION

Lake Elsinore, CA

J M Construction — licensed ADU contractor in Lake Elsinore, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (951) 232 0084
View All 220 Contractors →

💰 How Much Does an ADU Cost in Lake Elsinore?

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 Lake Elsinore contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Lake Elsinore

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