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ADU Builders & Contractors in Highland Park, CA

With 2 verified ADU contractors serving Highland Park, 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 Highland Park

Avg. Cost/sqft

$202-$377

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 2 ADU Contractors in Highland Park

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#1HOME IMPROVEMENT & GENERAL CONSTRUCTION INC

Highland Park, CA

Home Improvement & General Construction Inc — licensed ADU contractor in Highland Park, CA. Detached ADU construction.

View Profile📞 (310) 901 7043
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#2SANTOS R C CONSTRUCTION

Highland Park, CA

Santos R C Construction — licensed ADU contractor in Highland Park, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (323) 633 7796

💰 How Much Does an ADU Cost in Highland Park?

Garage Conversion

$71,000 - $131,000

Converting existing garage to living space

Detached ADU

$152,000 - $327,000

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 Highland Park contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Highland Park

How much does it cost to build an ADU in Highland Park?▼
The average cost to build an ADU in Highland Park ranges from $152,000 to $327,000, or approximately $202 to $377 per square foot. Garage conversions typically cost $71,000 to $131,000.
How long does it take to get an ADU permit in Highland Park?▼
The ADU permit process in Highland Park 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 Highland Park?▼
In Highland Park, 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 Highland Park?▼
Highland Park 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 Highland Park?▼
No parking is required for ADUs in Highland Park 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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