Serving the San Fernando Valley

San Fernando Valley ADU Builder for Backyard Homes

We are a licensed san fernando valley adu builder for Sherman Oaks, Encino, and Woodland Hills. Design, permits, and construction come under one fixed contract.

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Licensed & Insured

CA General Contractor

200+ ADUs Built

Across LA County

15+ Years

In Business

Why San Fernando Valley

Why the Valley Is Prime ADU Territory

Homeowners search for a san fernando valley adu builder for one reason. Lot sizes here differ from the rest of Los Angeles. Sherman Oaks, Encino, Woodland Hills, and Studio City lots often run 6,000 square feet or larger. That extra land supports full 1,200 square foot detached ADUs with true yard separation. As a result, Valley homeowners get more design freedom than almost anywhere else in the county.

We manage design, LADBS plan check, and construction as one team. This single-contract approach removes the handoffs that slow down other projects. Our crews have completed backyard homes across Woodland Hills, Sherman Oaks, and Encino. Therefore, we know how each city's plan check office reviews Valley submissions.

Wide Valley lots often clear 6,000 square feet, which fits a full detached ADU
Sherman Oaks, Encino, and Woodland Hills lots keep enough yard for a separate rental unit
Single-story ranch homes leave more buildable rear yard than denser east side neighborhoods
Strong rental demand near Ventura Boulevard corridors supports higher monthly rents
One contract covers design, LADBS permitting, and construction for the whole Valley region
Fast freeway access on the 101 and 405 widens your tenant pool across the Valley

$2,200/mo

Avg Studio ADU Rent

8–16 wks

Typical Permit Timeline

4 ft

Min Rear & Side Setback

1,200 sq ft

Max ADU Size

Permits & Zoning

LADBS Permitting Across the San Fernando Valley

What San Fernando Valley homeowners need to know before starting an ADU project.

One Jurisdiction, One Process

LADBS handles most Valley ADU permits the same way it handles the rest of Los Angeles. Sherman Oaks, Encino, and Woodland Hills fall under this same jurisdiction. Submissions follow one plan check process, not three separate city departments.

Flat Lots Keep Costs Down

Many Valley lots sit on flat land with wide rear yards. This layout lets us place a detached ADU while keeping the required 4 foot side and rear setbacks. It also keeps excavation costs lower than hillside properties in other parts of the county.

Panel Capacity on Older Homes

Older Valley homes sometimes carry electrical panels under 100 amps. A new ADU adds circuits for a kitchen, bathroom, and HVAC. So we check your panel capacity during the first site visit. Any needed upgrade gets included in the fixed price.

Permit Timeline

Standard Valley ADU permits typically clear LADBS plan check in 8 to 16 weeks. We track every correction deadline so your project keeps moving toward a final inspection.

Pricing in San Fernando Valley

ADUs Starting From $150,000

Valley pricing benefits from flatter lots and simpler foundation work. All-inclusive pricing covers design, engineering, permitting, and full construction.

Design, architecture & engineering included
Permitting and city approval management included
Full construction and site work included
Final inspection and certificate of occupancy included

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Junior ADU (JADU)

Interior conversion of existing space

$60,000 to $100,000

Garage Conversion ADU

Existing garage footprint

$80,000 to $150,000

Attached ADU

Addition to primary home

$120,000 to $220,000

Detached ADU

New standalone structure

$150,000 to $280,000

* All-inclusive pricing. Final cost depends on scope and site conditions.

Free Estimate

Get a Free Estimate for Your San Fernando Valley Property

We'll assess your property, review your San Fernando Valley zoning, and provide a detailed cost and timeline estimate, at no charge, with no obligation.

San Fernando Valley-specific feasibility review for your lot
Realistic all-inclusive cost range for your ADU type
Timeline from design through certificate of occupancy
Response within 1 business day

Also serving nearby

Sherman OaksEncinoWoodland HillsStudio CityTarzanaBurbank

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We'll be in touch within 1 business day.

Common Questions

ADU Questions for San Fernando Valley Homeowners

How big can an ADU be on a San Fernando Valley lot?

Most Valley lots support a full 1,200 square foot detached ADU. Larger lots in Encino and Woodland Hills often qualify for a two-bedroom layout. Smaller lots near Studio City may fit a compact one-bedroom design instead. We confirm your exact size limit during a free site visit. This review checks lot coverage, setbacks, and your home's existing footprint. From there, we recommend the layout that fits your goals and budget.

Which Valley cities do you build ADUs in?

We build across the entire San Fernando Valley, including Sherman Oaks, Encino, Woodland Hills, Studio City, and Tarzana. Each of these falls under LADBS jurisdiction, so the permitting process stays consistent citywide. However, lot conditions vary by neighborhood, so we still complete a site-specific review for every project. This keeps our estimates and timelines accurate for your exact address.

How much does an ADU cost in the San Fernando Valley?

Garage conversions typically start around $90,000, while detached ADUs range from $150,000 to $280,000. Final pricing depends on lot slope, existing utilities, and your chosen finish level. Because Valley lots tend to be flatter and wider than hillside properties, foundation costs often run lower here. We provide a fixed-price contract after reviewing your property, so there are no surprise change orders mid-build.

How long does ADU construction take in the Valley?

A garage conversion usually takes 10 to 16 weeks of active construction. A new detached ADU on a Valley lot typically takes 16 to 26 weeks from groundbreaking to final inspection. Weather delays are rare here compared to other parts of the county. We give you a written schedule before construction starts, and we update it weekly as work progresses.

Need help planning your ADU project?

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Why ADU Build LA

ADU Expertise You Can Count On

We've built ADUs across San Fernando Valley and the surrounding area, navigating local zoning, permit processes, and site conditions that generalist contractors don't know.

Our Services

ADU Services Available in San Fernando Valley

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ADU Plans & Design

Custom ADU plans and architectural design tailored to your property and Los Angeles zoning requirements — from initial concept to permit-ready drawings.

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ADU Permits & Approvals

We manage the full ADU permitting process across Los Angeles and LA County — plan check, corrections, and final approval handled end to end.

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Detached ADU Construction

New-construction detached ADUs in Los Angeles — from foundation to certificate of occupancy. Full-service design, permitting, and construction under one contract.

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Planning an ADU in San Fernando Valley?

Design your ADU in our interactive configurator, choose type, size, style, and finishes. Get a matching floor plan and budget estimate before you talk to anyone.

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Build Your ADU in San Fernando Valley

Join over 200 Los Angeles homeowners who have added rental income and lasting property value with an ADU from ADU Build LA. Your free estimate is the first step.

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Learn about our process as a full-service ADU design-build company serving all of Los Angeles County.