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ADU Builders & Contractors in Lake Arrowhead, CA

Building an ADU in Lake Arrowhead? You'll find 45 licensed contractors in the area, ready to help. Lake Arrowhead's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Lake Arrowhead

Avg. Cost/sqft

$206-$381

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 45 ADU Contractors in Lake Arrowhead

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#1BABCOCK RICHARD CONSTRUCTION

Lake Arrowhead, CA

Babcock Richard Construction — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (909) 337 2700
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#2DOLMAN BRIAN CONSTRUCTION

Lake Arrowhead, CA

Dolman Brian Construction — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (909) 496 6142
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#3SHUEY G CONSTRUCTION

Lake Arrowhead, CA

Shuey G Construction — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction. 25+ years experience.

View Profile📞 (909) 226 2745
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#4MOUNTAIN HOMES CONSTRUCTION

Lake Arrowhead, CA

Mountain Homes Construction — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (909) 754 2131
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#5ARROWHEAD CRAFT BUILDERS INC

Lake Arrowhead, CA

Arrowhead Craft Builders Inc — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction. 35+ years experience.

View Profile📞 (909) 967 0608
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#6ITS TREE TIME LLC

Lake Arrowhead, CA

Its Tree Time Llc — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction.

View Profile📞 (909) 240 5544
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#7S H R GENERAL CONSTRUCTION

Lake Arrowhead, CA

S H R General Construction — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction.

View Profile📞 (909) 677 9615
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#8A G G CONSTRUCTION

Lake Arrowhead, CA

A G G Construction — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction.

View Profile📞 (909) 609 5873
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#9DOROUGH JEFF CONSTRUCTION

Lake Arrowhead, CA

Dorough Jeff Construction — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction. 25+ years experience.

View Profile📞 (909) 223 3866
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#10PHILLIPS CONSTRUCTION CO INC

Lake Arrowhead, CA

Phillips Construction CO Inc — licensed ADU contractor in Lake Arrowhead, CA. Detached ADU construction. 59+ years experience.

View Profile📞 (909) 337 8983
View All 45 Contractors →

💰 How Much Does an ADU Cost in Lake Arrowhead?

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 Arrowhead contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Lake Arrowhead

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