What is the maximum ADU size allowed in Mentone?

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

ADU Builders & Contractors in Mentone, CA

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

The average cost ranges from $157,000 to $332,000, or $207-382 per square foot.

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

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

Building an ADU in Mentone? You'll find 25 licensed contractors in the area, ready to help. Mentone's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Mentone

Avg. Cost/sqft

$207-$382

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 25 ADU Contractors in Mentone

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#1TEAM INTERNATIONAL INVESTMENTS CALIFORNIA

Mentone, CA

Team International Investments California — licensed ADU contractor in Mentone, CA. Detached ADU construction. 7+ years experience.

View Profile 📞 (909) 831 2868

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#2SIERRA RUBEN

Mentone, CA

Sierra Ruben — licensed ADU contractor in Mentone, CA. Detached ADU construction. 7+ years experience.

View Profile 📞 (909) 435 5903

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#3DO ALL CONSTRUCTION

Mentone, CA

DO All Construction — licensed ADU contractor in Mentone, CA. Detached ADU construction. 34+ years experience.

View Profile 📞 (909) 499 6602

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#4EAST VALLEY DESIGN AND CONSTRUCTION

Mentone, CA

East Valley Design And Construction — licensed ADU contractor in Mentone, CA. Detached ADU construction. 10+ years experience.

View Profile 📞 (909) 794 5997

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#5RENOVATE AMERICA PARTNERSHIP

Mentone, CA

Renovate America Partnership — licensed ADU contractor in Mentone, CA. Detached ADU construction.

View Profile 📞 (310) 606 1464

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#6HIGHLAND GENERAL CONTRACTOR

Mentone, CA

Highland General Contractor — licensed ADU contractor in Mentone, CA. Detached ADU construction. 6+ years experience.

View Profile 📞 (909) 834 2361

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#7WEST COAST CONSTRUCTION

Mentone, CA

West Coast Construction — licensed ADU contractor in Mentone, CA. Detached ADU construction. 25+ years experience.

View Profile 📞 (951) 640 3050

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#8J A G CONSTRUCTION SERVICES

Mentone, CA

J A G Construction Services — licensed ADU contractor in Mentone, CA. Detached ADU construction.

View Profile 📞 (909) 553 3733

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#9ESTERLY HUGH

Mentone, CA

Esterly Hugh — licensed ADU contractor in Mentone, CA. Detached ADU construction. 12+ years experience.

View Profile 📞 (909) 499 7970

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#10BRISTOL OMEGA

Mentone, CA

Bristol Omega — licensed ADU contractor in Mentone, CA. Detached ADU construction. 32+ years experience.

View Profile 📞 (909) 794 6862

View All 25 Contractors →

💰 How Much Does an ADU Cost in Mentone?

Garage Conversion

$73,500 - $133,500

Converting existing garage to living space

Detached ADU

$157,000 - $332,000

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 Mentone contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Mentone

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

The average cost to build an ADU in Mentone ranges from $157,000 to $332,000, or approximately $207 to $382 per square foot. Garage conversions typically cost $73,500 to $133,500.

How long does it take to get an ADU permit in Mentone?▼

The ADU permit process in Mentone 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 Mentone?▼

In Mentone, 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 Mentone?▼

Mentone 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 Mentone?▼

No parking is required for ADUs in Mentone 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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