Fast, Reliable ADU Design & Permitting Across Beverly Hills
ADU design and permitting in Beverly Hills runs through its own Building & Safety Division, not LADBS, and a complete design-build package including permit-ready drawings typically costs $18,000-$45,000 before construction begins. We’re at (213) 698-7591 if you want the exact number for your property.
Our ADU Design & Permitting team coordinates dispatch and scheduling from our Los Angeles office, with crews serving Beverly Hills properties directly. We’ve worked the flat district’s 1920s Spanish Colonial estates, the Trousdale hillside pads, and the converted chauffeur garages near the Beverly Hills Sign. The city’s independent municipality status means every permit, fee schedule, and design-review cycle is distinct from Los Angeles. We know the plan-checkers by name, the comment cycles they tend to issue, and how to front-load the documentation so your project doesn’t stall in resubmittal.
Why Ellery ADU Studio Westchester Is Beverly Hills’s Preferred ADU Design & Permitting Company
We’ve designed, permitted, and built over 900 ADUs since 2015, the year California’s ADU laws shifted. Every one carried a written price before work started, per Haven Standard Clause 1. In Beverly Hills specifically, that means we’ve navigated the city’s standalone ADU ordinance enough times to know where the plan-check comments land before they arrive.
Clients in the 90036, 90046, 90069, and 90095 ZIP codes receive a documented photo record on every site visit, not a summary of how it felt. The photo record becomes part of your permit file and your own documentation. Our 365-Day Done Right Promise is backed in writing before the project starts, not offered verbally after a problem surfaces.
Response time to Beverly Hills properties is same-week for initial site assessments. We don’t book assessments we can’t honor. A live person answers calls at (213) 698-7591 24/7, no voicemail queue, no callback promise that doesn’t materialize.
Our license number appears on every page, verified, not just claimed. Background-checked, uniformed crews handle the site work. And if you already have a written estimate in hand from another firm, we’ll provide a Free Second Opinion on it.
Our ADU Design & Permitting Services in Beverly Hills

Site Assessment
Every Beverly Hills ADU starts with a site assessment that documents what the city will actually see. On flat-district lots near Westwood Village, we’re checking existing detached structures, utility stub locations, and whether that 1930s pool house has a foundation that qualifies for conversion. On Trousdale Estates hillside properties, we’re mapping the graded pad boundary, identifying whether your proposed footprint sits on compacted fill, and flagging the geotechnical report requirement before you pay for drawings that won’t survive plan-check. The assessment includes a documented photo record and a written findings memo. You’ll know whether you’re looking at a straightforward conversion or a hillside project with soils and Chapter 7A complications before any design hours are billed.

ADU Design & Blueprints
Our permit set is the core product, not an afterthought. For ADU Design & Permitting in Beverly Hills, that means drawings that anticipate the city’s specific comment patterns. Beverly Hills Building & Safety scrutinizes exterior materials and massing more heavily than LADBS on equivalent projects. We design for that scrutiny. On luxury conversions, we coordinate directly with your architect or interior designer, specifying custom millwork, architectural glass, and specialty finishes from the initial drawing set. The design phase locks your written price before any long-lead orders are released. That’s Haven Standard Clause 1. No call-for-pricing, no provisional allowances that balloon later.

Permit Application
Beverly Hills maintains its own fee schedule, setback standards, and design-review requirements entirely separate from Los Angeles. Contractors who routinely permit ADU work in LA must re-qualify here. We’ve done it hundreds of times. Our permit application package includes the full structural set, Title 24 Energy Compliance documentation, and when required, the geotechnical report and Chapter 7A ignition-resistant construction details. We track plan-check status weekly and respond to comments with revised drawings, not phone-tag. Typical Beverly Hills plan-check cycles run 4-8 weeks for straightforward projects, longer for hillside properties with soils reports or design-review board review.

HOA & Zoning Compliance
Beverly Hills zoning allows ADUs by right in most residential zones, but HOA restrictions on properties within private enclaves can impose additional design constraints. We review your CC&Rs against the proposed design before submittal, not after. For properties near the Luxe Rodeo Drive Hotel corridor or within gated Trousdale sections, we coordinate HOA architectural review concurrently with city permitting to prevent sequential delays. The permit set we submit to Beverly Hills Building & Safety includes all HOA-required documentation, so you’re not paying for redraws when the two approval tracks conflict.

Title 24 Energy Compliance
California’s Title 24 requirements apply to all Beverly Hills ADUs, but the compliance path varies significantly by project type. Garage conversions on existing slabs typically use the prescriptive package. New detached ADUs or substantial additions trigger performance method calculations. We model both paths during design and specify the insulation, HVAC, and glazing packages that satisfy Title 24 without the value-engineering surprises that hit when compliance is handled as a permit-phase afterthought.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Beverly Hills
We specify and coordinate prefab and modular systems within our single-contract design-build model. For Beverly Hills projects, that includes James Hardie ignition-resistant siding assemblies that satisfy Chapter 7A requirements on hillside properties, Plant Prefab units adapted to local plan-check standards, and Tuff Shed structures upgraded to residential ADU specification. We don’t hand you off to a separate dealer or installer. The brand specification, the permit set adaptation, and the final construction sit under one written price and one accountable team. Lead times for custom millwork and architectural glass are locked at contract signing, not discovered mid-project.
Common ADU Design & Permitting Problems We See in Beverly Hills Homes

- Ordering long-lead finishes before plan-check resolution. A client near Westwood commissioned $40,000 in custom cabinetry based on preliminary drawings, then received Beverly Hills Building & Safety comments requiring fire-rated assemblies with different dimensions. The cabinets couldn’t be modified. We lock the written price before releasing long-lead orders, and we don’t release until plan-check comments are resolved.
- Assuming LADBS approval transfers to Beverly Hills. Los Angeles Department of Building and Safety approvals, fee schedules, and even contractor registration do not carry over. We’ve seen projects stall for months when LA-permitted drawings were submitted to Beverly Hills unmodified. Our permit sets are built for Beverly Hills’s specific ordinance from the first sheet.
- Skipping the geotechnical report on Trousdale hillside pads. Those 1950s graded pads sit on compacted fill that soils engineers consistently flag. Beverly Hills Building & Safety requires the report for hillside ADUs. We commission it during site assessment, not after plan-check rejection.
- Underestimating Chapter 7A material costs. The Very High Fire Hazard Severity Zone covering north Beverly Hills hillside requires non-combustible siding, ember-resistant vents, and defensible-space setbacks. Standard material budgets don’t cover it. Our written price includes Chapter 7A assemblies from the initial quote.
Pricing for ADU Design & Permitting in Beverly Hills, CA
A typical Beverly Hills ADU design and permitting package runs $18,000-$45,000 all-in, depending on project complexity. Garage conversions with existing foundations and utility access fall at the lower end. New detached ADUs on hillside lots requiring geotechnical reports, Chapter 7A assemblies, and design-review board approval run higher. Custom architectural coordination with exterior designers or specialty millwork adds design hours but is quoted precisely before work begins.
What moves the number: soils complexity on Trousdale graded pads, Chapter 7A ignition-resistant material specifications, design-review board cycles for visible hillside massing, and the depth of custom finish coordination required. What doesn’t move it: our labor rate, which is fixed at contract signing under Haven Standard Clause 1. The written price you receive before any work starts is the price you pay. No change orders, no door-side upsells, no scope creep.
Call (213) 698-7591 for your exact quote. Estimates are free. We also provide a Free Second Opinion on any written estimate already in your hand.
We Also Serve Cities Near Beverly Hills

Our crews work throughout the metro core, including West Hollywood, Studio City, Culver City, and Sherman Oaks. Each city carries its own permitting authority and requirements. We maintain current qualification with all of them.
Serving Beverly Hills, CA - Our Local Coverage Area
We’re based in the Beverly Hills area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - ADU Design & Permitting in Beverly Hills

No. Beverly Hills is a fully independent municipality with its own Building & Safety Division, its own ADU ordinance, and its own plan-check process. LADBS approvals, contractor registrations, and fee schedules do not transfer. We qualify directly with Beverly Hills Building & Safety on every project. Call (213) 698-7591 to confirm current qualification status for your property.
Trousdale Estates properties sit on artificially graded pads carved into the Santa Monica Mountains foothills in the 1950s, and the compacted-fill boundary often runs directly under proposed ADU footprints. Beverly Hills Building & Safety requires a geotechnical report for hillside ADUs to verify bearing capacity and settlement risk. LADBS would not require this on a comparable flat-city lot. We commission the report during our initial site assessment. Call (213) 698-7591 to schedule.
Chapter 7A of the California Building Code mandates ignition-resistant construction in Very High Fire Hazard Severity Zones, which includes north Beverly Hills hillside areas. For ADUs, that means non-combustible siding such as James Hardie fiber-cement assemblies, ember-resistant vents, fire-rated windows where required, and defensible-space setbacks that can constrain placement even on large lots. Our permit sets specify Chapter 7A assemblies from the first submittal, not as a correction-cycle add-on. Call (213) 698-7591 for a written price including these materials.
Yes. Beverly Hills’s large estate-era lots contain many detached structures from the 1920s through 1950s that are prime conversion candidates. Existing footprints and utility stubs can reduce both design complexity and construction cost. However, the conversion must still meet current Beverly Hills Building & Safety standards, including Title 24 energy compliance and, for hillside properties, Chapter 7A requirements. We assess the existing structure’s foundation, framing, and utility capacity during our site visit to determine conversion feasibility versus new construction. Call (213) 698-7591 to schedule that assessment.
High-end Beverly Hills ADUs specify custom millwork, architectural glass, imported hardware, and designer-grade finishes with manufacturing lead times of 8-16 weeks. Our construction crew’s availability is rarely the constraint. The calendar is set by procurement. That’s why we lock the written price and release long-lead orders only after plan-check comments are fully resolved. Ordering before resolution risks dimensional conflicts with approved fire-rated assemblies or revised opening sizes. Under Haven Standard Clause 1, your price is fixed before any orders are placed, and under Clause 5, the scope is locked at signing. Call (213) 698-7591 to discuss schedule and procurement for your project.
Written by Nadia Ellery, Owner at Ellery ADU Studio Westchester, serving Beverly Hills since 2015.