What is the maximum ADU size allowed in Lakeside?

Detached ADUs in Lakeside can be up to 1200 square feet.

ADU Builders & Contractors in Lakeside, CA

Q: How much does it cost to build an ADU in Lakeside?

The average cost ranges from $156,000 to $331,000, or $206-381 per square foot.

Q: How long does it take to get an ADU permit in Lakeside?

The permit process typically takes 60 to 120 weeks in Lakeside.

Building an ADU in Lakeside? You'll find 178 licensed contractors in the area, ready to help. Lakeside's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Lakeside

Avg. Cost/sqft

$206-$381

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 178 ADU Contractors in Lakeside

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#1T L CONSTRUCTION

Lakeside, CA

T L Construction — licensed ADU contractor in Lakeside, CA. Detached ADU construction. 35+ years experience.

View Profile 📞 (619) 508 0408

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#2SAN DIEGO REMODELING INC

Lakeside, CA

San Diego Remodeling Inc — licensed ADU contractor in Lakeside, CA. Detached ADU construction. 27+ years experience.

View Profile 📞 (619) 850 4794

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#3RABC - ECC A JOINT VENTURE

Lakeside, CA

Rabc - Ecc A Joint Venture — licensed ADU contractor in Lakeside, CA. Detached ADU construction. 12+ years experience.

View Profile 📞 (619) 440 7181

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#4CODE 3 CONTRACTING

Lakeside, CA

Code 3 Contracting — licensed ADU contractor in Lakeside, CA. Detached ADU construction. 31+ years experience.

View Profile 📞 (619) 672 0145

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#51904 CONSTRUCTION

Lakeside, CA

1904 Construction — licensed ADU contractor in Lakeside, CA. Detached ADU construction.

View Profile 📞 (619) 550 6384

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#6HOCANSON JUSTIN

Lakeside, CA

Hocanson Justin — licensed ADU contractor in Lakeside, CA. Detached ADU construction.

View Profile 📞 (619) 402 8940

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#7DEEP BLUE CONSTRUCTION

Lakeside, CA

Deep Blue Construction — licensed ADU contractor in Lakeside, CA. Detached ADU construction. 16+ years experience.

View Profile 📞 (619) 443 8726

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#8COOK JOSEPH ROCK

Lakeside, CA

Cook Joseph Rock — licensed ADU contractor in Lakeside, CA. Detached ADU construction. 34+ years experience.

View Profile 📞 (619) 540 3531

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#9CHRISTIAN BROTHERS EMERGENCY BUILDING SERVICES

Lakeside, CA

Christian Brothers Emergency Building Services — licensed ADU contractor in Lakeside, CA. Detached ADU construction. 14+ years experience.

View Profile 📞 (619) 469 8955

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#10GASKILL CONSTRUCTION INC

Lakeside, CA

Gaskill Construction Inc — licensed ADU contractor in Lakeside, CA. Detached ADU construction. 14+ years experience.

View Profile 📞 (619) 917 5458

View All 178 Contractors →

💰 How Much Does an ADU Cost in Lakeside?

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 Lakeside contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Lakeside

How much does it cost to build an ADU in Lakeside?▼

The average cost to build an ADU in Lakeside 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 Lakeside?▼

The ADU permit process in Lakeside 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 Lakeside?▼

In Lakeside, 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 Lakeside?▼

Lakeside 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 Lakeside?▼

No parking is required for ADUs in Lakeside 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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