ADU construction · Studio City, CA

Studio City ADUs,
Handled End to End

Detached ADUs, attached ADUs, garage conversions, and Junior ADUs — designed, permitted, and built. Licensed, insured, and locally owned since 2010. CSLB #972213.

5.0 / 5 on Houzz 17 verified reviews
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CSLB LicensedLicense #972213
5.0 on Houzz17 verified reviews
Family-OwnedLicensed since 2010
24-Hour ResponseFree in-home estimate
Studio City PermitsLADBS · Valley branch · in-house
Why Hillstar

Why Studio City Homeowners Choose Hillstar

Licensed and insured since 2010, with a 5.0 Houzz rating, we've refined every step of the ADU process — design, LADBS submittal, construction, and final inspection — so the project finishes on schedule and on budget.

On-Time Delivery

Predictable execution. Milestones agreed during design and tracked to completion — no surprises mid-build.

Transparent Pricing

Itemized written quotes upfront. Scope changes documented and priced. No surprise allowances.

Title 24 & CALGreen Built-In

Solar PV, high-efficiency envelope, electric-ready cooking and water heating, EV-ready circuits. Code-compliant from day one, not retrofit at plan check.

Local Studio City Experts

Daily work with LADBS (Valley branch on Sepulveda), the LA Office of Historic Resources where HPOZ-affecting, the LA Baseline Hillside Ordinance pathway on hillside parcels, LA's protected-tree ordinance, LADWP service coordination, and Chapter 7A fire-zone compliance on Very High Fire Hazard parcels.

Workmanship Guarantee

Written workmanship warranty on every Hillstar Studio City ADU — foundation through certificate of occupancy. Honored, in writing.

One Team, One Contact

Same in-house crew from design to final inspection. One point of contact — no handoff confusion.

Our process

How It Works — Simple & Stress-Free

A proven four-step path from first site visit to a finished Studio City ADU.

1

Free In-Home Consultation

We come to your Studio City property, walk the lot, check zoning, hillside classification, HPOZ status, protected trees, and feasibility — no pressure, no sales pitch.

2

Design & Permits

Floor plans, elevations, site plan, and a written scope. LADBS submittal under California’s statutory ADU review process. LA Office of Historic Resources, hillside, and LADWP coordination run in parallel where they apply.

3

Build & Inspections

Foundation, framing, plumbing, electrical (including any panel upgrade), Title 24 envelope, finishes — all by our crew. We schedule and meet every LADBS inspection through certificate of occupancy.

4

Walkthrough & Warranty

Final walkthrough with you, punch-list completion, and Hillstar Construction's workmanship guarantee.

Local conditions

Permits, Lots & What's Specific to Studio City

Studio City sits at the south edge of the Valley, climbing into the Santa Monica Mountains — and that geography makes hillside review the dominant factor on a meaningful share of ADU projects here.

Permit jurisdiction

LADBS — Valley branch on Sepulveda for most Studio City flat-lot addresses, with hillside cases that can route through additional review. The City of LA Standard ADU Plan Program is open to qualifying flat lots and saves plan-check time on a code-conforming detached design.

Lot & zoning patterns

Colfax Meadows and the flats north of Ventura tend to compact rectangles where a garage conversion or modest detached works well. South of Ventura — Fryman Canyon-adjacent and the climb toward Mulholland — runs to deep-but-steep parcels and narrow flag lots with single-loaded driveways. Access, setbacks, and grading drive every design call on those.

Design overlays you'll see here

Hillside Studio City addresses sit under the LA Baseline Hillside Ordinance and, for parcels above the rim, the Mulholland Specific Plan view-corridor and design rules. Most hillside parcels are inside Very High Fire Hazard Severity Zones, triggering Chapter 7A WUI compliance (Class A roof, ignition-resistant siding, ember-resistant vents). LA's protected-tree ordinance comes into play often — oaks, sycamores, walnuts.

Reviews

What Studio City-Area Homeowners Are Saying

Verified Houzz reviews from recent Hillstar Construction projects.

“Lior is very personable and has many decades of construction experience. We appreciated his sincere evaluation of our project.”

Ann AnterasianHouzz · April 2019

“Lior is a fantastic general contractor. He has tremendous work ethic and strong attention to detail.”

J. GlaserHouzz · June 2017

“Hillstar's crew was courteous, prompt, and worked hard to make every detail exactly what we wanted.”

Hillstar ClientHouzz · Verified
5.0 · 17 verified reviews on Houzz
FAQ

Studio City ADU — FAQ

Lot eligibility, ADU types, LADBS permits, hillside rules, HPOZ designations, tree protection, fire zones, setbacks, utilities, Title 24, timeline, budget, rental income, and family use — straight answers for your Studio City lot.

Does my Studio City lot qualify for an ADU, and what type fits — detached, attached, garage conversion, or JADU?
Most Studio City lots qualify. California state law (Government Code §65852.2) requires every California city to allow at least one ADU on single-family residential lots, and Studio City is part of the City of Los Angeles — LA accepts ADUs by-right on single-family parcels and on most multifamily lots under state law. What changes per lot is the type and size of ADU that fits. A detached new-build is common on deeper lots in Studio City Hills, Fryman Canyon-adjacent, South of Ventura, Colfax Meadows. An attached ADU shares a wall with the primary house and is useful when the rear yard is tight. A garage conversion uses the existing detached-garage footprint and skips many setback rules. A Junior ADU (JADU) is carved out of the existing primary home, up to 500 sq ft with its own entrance and efficiency kitchen — often the right answer when the rear yard is too tight for detached or when an HPOZ or HOA layer constrains the exterior envelope. We confirm zoning, LA Baseline Hillside Ordinance status, HPOZ designation, fire-zone classification, and protected-tree inventory at the first site visit and recommend the type that fits the property.
Where do I get a Studio City ADU permit — is it LADBS?
Yes. Studio City is part of the City of Los Angeles, and LADBS — the Los Angeles Department of Building and Safety — issues every residential ADU permit here. The Valley branch on Sepulveda processes Studio City plan check and inspections for Valley addresses. We handle the LADBS submittal, plan-check corrections, Office of Historic Resources review where it applies, LADWP coordination, and final inspection — end to end.
Does the LA Baseline Hillside Ordinance affect my Studio City ADU?
Yes — especially on Studio City Hills and the Fryman Canyon-adjacent blocks above Ventura — LA Baseline Hillside Ordinance with strong view-line considerations. The LA Baseline Hillside Ordinance adds grading, height, slope-stability, and design provisions on top of standard ADU rules, and these parcels often require a haul-route plan, geotechnical review, and view-line consideration. Hillside ADUs take longer to design and permit but remain buildable on most qualifying lots when the building envelope respects the slope. We confirm hillside classification at the first site visit and design within the Baseline Hillside envelope so the LADBS submittal moves cleanly. On parcels in a Very High Fire Hazard Severity Zone (VHFHSZ), Chapter 7A of the California Building Code adds ignition-resistant siding, dual-pane tempered glazing, ember-resistant vents, Class A roof, and defensible-space compliance — we build to that standard where it applies.
How do hillside rules, tree protection, and fire zones affect ADU design in Studio City?
Three site-condition gates apply on top of standard ADU rules, where they apply to a given parcel. (1) The LA Baseline Hillside Ordinance covers parcels classified hillside — adding grading, slope-stability, height, and design provisions plus haul-route planning where applicable. Hillside ADUs are more design-intensive but remain buildable on most qualifying Studio City lots. (2) LA's protected-tree ordinance covers oaks, sycamores, walnuts, and bay trees on private property — an ADU sited in the root-protection zone can require arborist review, a tree-protection plan, or a shift in the building envelope. (3) Parcels in a Very High Fire Hazard Severity Zone (VHFHSZ) are treated as Wildland-Urban Interface (WUI) under Chapter 7A of the California Building Code — ignition-resistant siding and soffits, dual-pane tempered or multi-pane glazing, ember-resistant vents, Class A roof assembly, and defensible-space compliance. We confirm hillside, tree, and fire-zone status at the first site visit so the scope and timeline are realistic.
What about setbacks, utilities, and Title 24 for a Studio City ADU?
State law caps required side and rear setbacks at four feet for new detached or attached ADUs and waives setback requirements when you convert an existing garage in its footprint. Utilities are real work, not paperwork: LADWP (LA Department of Water and Power) coordinates separate or shared service for new ADUs, and many older homes need a panel upgrade before the ADU electrical load can land — we size that during design, not on the construction call. Sewer capacity check is part of the LADBS submittal. Title 24 (California Energy Code) applies in full: new detached ADUs and significant additions trigger solar PV requirements, mandatory high-efficiency envelope and HVAC, electric-ready provisions for cooking and water heating, and EV-charger-ready circuits where the ADU has parking. We design to Title 24 and CALGreen baseline from day one rather than retrofit at plan-check.
What's a realistic timeline and budget for a Studio City ADU — and how does rental income or family use factor in?
Timeline depends on scope, site conditions, and material lead times. Site visit and feasibility, design and drawings, plan-check, and construction are each scoped during consultation, and we provide a realistic schedule in writing once the design is set. Budget varies with ADU type (detached, attached, garage conversion, JADU), lot conditions, finish level, and any hillside, oak, historic, or HOA review that applies — we provide an itemized written quote after the site visit. Rental income varies by neighborhood, finish, and ADU type, and we model realistic numbers with you. Owner-occupancy: AB 670 and AB 671 mean a detached or attached ADU does not require the owner to live on the property, but JADUs continue to require owner-occupancy of one of the two units. Family use is straightforward — adult children, aging parents, in-law suite, work-from-home flex space — and ADUs configured as family units can later convert to rental without rebuild, provided the design anticipated that path. We provide a written cost breakdown at the consultation.

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