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ADU Builders & Contractors in Ben Lomond, CA

Building an ADU in Ben Lomond? You'll find 44 licensed contractors in the area, ready to help. Ben Lomond's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Ben Lomond

Avg. Cost/sqft

$196-$371

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 44 ADU Contractors in Ben Lomond

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#1ACOSTA BUILDING COMPANY

Ben Lomond, CA

Acosta Building Company — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction.

View Profile📞 (650) 201 4701
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#2ANDERSON AARON

Ben Lomond, CA

Anderson Aaron — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (831) 419 2131
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#3JD HOME BUILDERS INC

Ben Lomond, CA

JD Home Builders Inc — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (831) 818 0955
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#4KERR C D SPECIAL SERVICES

Ben Lomond, CA

Kerr C D Special Services — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (408) 489 4788
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#5RM DEV LLC

Ben Lomond, CA

RM Dev Llc — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction.

View Profile📞 (831) 278 0456
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#6DANFORD DAVID

Ben Lomond, CA

Danford David — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (831) 706 8697
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#7BURJA DANIEL

Ben Lomond, CA

Burja Daniel — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction. 24+ years experience.

View Profile📞 (831) 246 4346
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#8LANGMO STEIN H

Ben Lomond, CA

Langmo Stein H — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction. 31+ years experience.

View Profile📞 (831) 359 0706
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#9TMR CONSTRUCTION INC

Ben Lomond, CA

Tmr Construction Inc — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (831) 556 2450
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#10BOSCACCI PETER

Ben Lomond, CA

Boscacci Peter — licensed ADU contractor in Ben Lomond, CA. Detached ADU construction. 16+ years experience.

View Profile📞 (831) 252 2456
View All 44 Contractors →

💰 How Much Does an ADU Cost in Ben Lomond?

Garage Conversion

$68,000 - $128,000

Converting existing garage to living space

Detached ADU

$146,000 - $321,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,101 - $5,101

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Ben Lomond

How much does it cost to build an ADU in Ben Lomond?▼
The average cost to build an ADU in Ben Lomond ranges from $146,000 to $321,000, or approximately $196 to $371 per square foot. Garage conversions typically cost $68,000 to $128,000.
How long does it take to get an ADU permit in Ben Lomond?▼
The ADU permit process in Ben Lomond 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 Ben Lomond?▼
In Ben Lomond, 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 Ben Lomond?▼
Ben Lomond 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 Ben Lomond?▼
No parking is required for ADUs in Ben Lomond 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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