ADU & Garage Conversion

ADU & Garage Conversion in Los Angeles

Maximize your property value with a permitted ADU or garage conversion. EC Construction Group handles design, permits, and construction start to finish — turning underused space into valuable rental income or multi-generational living.

Licensed General Contractor
License # 1132619
Family Owned & Operated Since 2019
Trusted by California Homeowners
Licensed, Bonded & Insured
Full Coverage on Every Project
Greater Los Angeles & Bay Area
Local Teams in Southern California & Northern California
✓ Licensed & Insured✓ 5-Star Rated on Google✓ All-Inclusive Pricing✓ Permit-to-Inspection Managed✓ 1-Year Warranty

ADU & Garage Conversion in Los Angeles & California

California's ADU laws now make it easier than ever to build an Accessory Dwelling Unit or convert your garage into a fully permitted living space. EC Construction Group has completed ADUs and garage conversions throughout Los Angeles, Hidden Hills, Calabasas, Woodland Hills, Encino, and the entire San Fernando Valley.

Our ADU and garage conversion services are completely turnkey. We handle architectural drawings, structural engineering, Title 24 energy compliance, permit applications, city inspections, construction, and final finishes. You get one price and one team managing everything.

ADUs and garage conversions are one of the highest-ROI investments available to California homeowners — adding rental income potential, increasing property value, and providing flexible space for family members.

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⭐5-Star Rated
📍Serving Los Angeles & Bay Area
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ADU & Garage Conversion Projects

Completed ADU & Garage Conversion projects in Los Angeles and California

800 sqft ADU with French doors and landscaping completed California
Completed ADU exterior with black trim and gravel pathway Los Angeles
Bright ADU bedroom interior with vaulted ceiling and mini-split California
800 sqft ADU exterior with sliding glass door at dusk Los Angeles
Completed ADU exterior with black trim, gabled roof, and gravel pathway California

Our Process

1

Site & Zoning Review

We evaluate your lot, zoning, setbacks, and utility connections to determine ADU feasibility.

2

Design & Engineering

Architectural plans and structural drawings are prepared and submitted to the city.

3

Permits

We manage all permit applications and respond to city plan check comments on your behalf.

4

Construction

Our licensed crew builds the ADU or converts the garage with daily site management.

5

Final Inspection & Delivery

City final inspection is passed and the unit is delivered fully finished and move-in ready.

Why Homeowners Choose EC Construction Group

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Licensed & Insured

CSLB licensed general contractor with full liability insurance on every project.

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Transparent Pricing

One all-inclusive price. No hidden fees, no surprise change orders.

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5-Star Rated

Rated five stars by California homeowners on Google — read their reviews on our Reviews page.

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Fully Permitted

We handle all permits, engineering, and city inspections — you never chase anything.

Frequently Asked Questions

How much does an ADU cost in Los Angeles?

ADU construction in Los Angeles typically ranges from $150,000 to $350,000 depending on size and finishes. Garage conversions are generally less expensive, ranging from $80,000 to $150,000. We provide detailed, transparent estimates with clearly defined project scope, timelines, and pricing.

How long does it take to build an ADU in LA?

From permit submission to final inspection, most ADU projects take 6–12 months. Garage conversions can be faster, sometimes completed in 4–6 months.

Do I need permits to convert my garage to living space?

Yes — all garage conversions and ADUs require permits. EC Construction Group handles all permits, engineering, and city inspections as part of our turnkey service.

Can I rent out my ADU in Los Angeles?

Yes — ADUs and garage conversions can be legally rented as separate dwelling units in Los Angeles under California ADU law. They are a popular source of rental income for homeowners.

What is the difference between an ADU and a garage conversion?

An ADU can be a detached, attached, or converted living space, while a garage conversion transforms an existing garage into a legal dwelling unit. Both options can add living space and increase property value.

What size ADU can I build on my property?

The allowable ADU size depends on your lot, zoning regulations, and local city requirements. Our team evaluates your property and identifies the maximum allowable size for your project.

Do you handle ADU design, engineering, and permits?

Yes. EC Construction Group manages the entire process, including design, engineering, permit applications, city approvals, and construction.

Will an ADU increase my property value?

In many cases, an ADU can significantly increase property value while also creating rental income opportunities and additional living space for family members.

Can family members live in an ADU?

Yes. Many homeowners build ADUs to accommodate parents, adult children, guests, or multi-generational living arrangements while maintaining privacy.

Are you licensed, bonded, and insured?

Yes. EC Construction Group is a licensed California general contractor, fully bonded and insured for ADU construction and garage conversion projects throughout Los Angeles and the San Francisco Bay Area.

How do I get started with an ADU or garage conversion project?

The process begins with a consultation where we evaluate your property, discuss your goals, review zoning requirements, and develop a customized project plan.

Ready to Start Your ADU & Garage Conversion Project?

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