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Serving Woodland Hills

ADU Contractor in Woodland Hills — Large Lots & Fire Zone Expertise

Woodland Hills homeowners have large lots, strong family housing demand, and a growing rental market. We design, permit, and build ADUs throughout the western San Fernando Valley — including fire zone and hillside properties.

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200+ ADUs Built
Across LA County
15+ Years
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Why Woodland Hills

ADU Opportunity in Woodland Hills

Woodland Hills is one of the western San Fernando Valley's most spacious residential communities. Large lots — many ranging from 8,000 to over 20,000 square feet — give homeowners real flexibility in ADU design that denser neighborhoods simply don't offer. Whether you're building a large detached unit with full amenities or converting an existing guest house, the lot sizes here create options.

The western Valley's rental market has grown steadily as high housing costs push renters from the Westside. Woodland Hills benefits from freeway access to major employment centers, its own expanding retail and dining corridor along Ventura Boulevard, and a reputation as one of the Valley's more desirable family neighborhoods. These factors support consistent ADU rental demand from working professionals and families seeking more space than central LA allows.

  • Large lot sizes — many 8,000–20,000+ sq ft — give real flexibility in ADU design and placement
  • Strong multigenerational housing demand from extended family households
  • Ventura Boulevard corridor and retail amenities draw working professional renters
  • More affordable construction per square foot than coastal markets
  • Excellent 101/405 freeway access to Westside and downtown employment centers
  • Growing demand from renters priced out of Santa Monica, Brentwood, and West Hollywood
$1,900/mo
Avg Studio ADU Rent
10–20 wks
Typical Permit Timeline (LADBS)
4 ft
Min Rear / Side Setback
1,200 sq ft
Max ADU Size
Permits & Zoning

ADU Permitting in Woodland Hills

What Woodland Hills homeowners need to know before starting an ADU project.

LADBS Jurisdiction
Woodland Hills is within the City of Los Angeles, so ADU permits are processed by the Los Angeles Department of Building and Safety (LADBS). LADBS runs a dedicated ADU plan check program with typical timelines of 10–20 weeks from complete submission.
Very High Fire Hazard Severity Zone (VHFHSZ)
Significant portions of Woodland Hills — particularly north of the 101 freeway toward the Santa Monica Mountains — are designated Very High Fire Hazard Severity Zones. This means California Building Code Chapter 7A fire-resistive construction requirements apply: ember-resistant vents, Class A roofing, and ignition-resistant exterior materials. We design and price to these standards from day one.
Large Lot Design Considerations
Woodland Hills lots are often large enough to support both an ADU and a JADU simultaneously. For properties with guest houses or pool houses, we also assess whether those structures qualify for permit-through-conversion, which can be faster and lower-cost than new construction.
Hillside Properties
Properties north of the 101 frequently involve slope. Hillside lots require geotechnical investigation and may have stepped foundations and additional grading requirements. We conduct thorough slope and soil assessments during the free property review.
Pricing in Woodland Hills

ADUs Starting From $150,000

Woodland Hills ADU costs reflect standard City of LA pricing with modest premiums for fire zone materials and hillside conditions where applicable. 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
$60,000 – $100,000
Garage Conversion ADU
Existing garage footprint
$80,000 – $150,000
Attached ADU
Addition to primary home
$120,000 – $220,000
Detached ADU
New standalone structure
$150,000 – $280,000

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

Free Estimate

Get a Free Estimate for Your Woodland Hills Property

We'll assess your property, review your Woodland Hills zoning, and provide a detailed cost and timeline estimate — at no charge, with no obligation.

  • Woodland Hills-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

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Common Questions

ADU Questions for Woodland Hills Homeowners

My Woodland Hills property is in a fire zone. Can I still build an ADU?
Yes — fire zone designation does not prevent ADU construction. It does require fire-resistive materials and systems under California Building Code Chapter 7A: ember-resistant vents, Class A roofing, ignition-resistant exterior cladding, and in some cases dual-pane windows. We scope and price these requirements upfront in your all-inclusive fixed contract.
My lot is large — can I build a bigger ADU?
Under California law, ADUs can be up to 1,200 sq ft or 50% of the primary dwelling's square footage — whichever is smaller. Large lot size increases placement flexibility but does not directly increase the size cap. If your primary dwelling is large, the 50% rule may allow a larger unit than the standard cap. We calculate your specific maximum during the feasibility review.
What's the permitting timeline for a Woodland Hills ADU?
Woodland Hills uses LADBS, which runs a dedicated ADU plan check program. Standard timelines are 10–20 weeks from complete submission. Fire zone properties may require additional CAL FIRE compliance documentation, which we prepare as part of our submission package.
Is there rental demand in Woodland Hills for ADUs?
Yes — Woodland Hills attracts renters seeking more space than West LA or the Westside offers at comparable rent. The 101 freeway provides access to Studio City, Sherman Oaks, and downtown LA employers. Studio ADUs typically rent for $1,600–$2,200/month; one-bedroom units achieve $2,000–$2,800/month in most Woodland Hills neighborhoods.

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Why ADU Build LA

ADU Expertise You Can Count On

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

Our Services

ADU Services Available in Woodland Hills

ADU Plans & Design

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

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

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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