Fast, Reliable ADU Design & Permitting Across Los Feliz
ADU design and permitting in Los Feliz typically runs $15,000-$45,000 for the full design-build package, from initial site assessment through final occupancy inspection, with hillside fire-code upgrades adding $20,000-$35,000 on properties near Griffith Park. We’re Nadia Ellery’s team at Ellery ADU Studio Pasadena, and we handle the drawings, the permit set, and the construction under one contract at one written price. Dispatch and scheduling are coordinated from our Los Angeles office, and our crews serve Los Feliz directly. Call (626) 427-9813 to schedule your free estimate.
Why Ellery ADU Studio Pasadena Is Los Feliz’s Preferred ADU Design & Permitting Company
We’ve designed, permitted, and built ADUs across Los Feliz since 2015 - the same year California’s ADU laws shifted - and we know the neighborhood’s specific permitting path at the LA Department of Building and Safety. Our clients in the hillside streets near Vermont Canyon and along Los Feliz Boulevard receive the same documented photo record on every visit that our Pasadena and Glendale clients do, plus permit sets engineered for the Very High Fire Hazard Severity Zone that covers much of the area.
Response time to Los Feliz is typically same-week for initial site assessments. We don’t subcontract the design to one firm and the build to another; our ADU Design & Permitting team handles both, which means no designer-versus-builder blame gap when the plan checker flags a foundation issue or a fire-code detail.
Our license number appears on every page, every contract, and every permit application. Background-checked, uniformed crews. Written price before any work starts, per Haven Standard Clause 1. That’s the standard we apply in Los Feliz, full stop.
Our ADU Design & Permitting Services in Los Feliz

Site Assessment
Every Los Feliz project begins with an inspection-first walkthrough. On hillside lots climbing toward Griffith Park, we’re looking for diagonal foundation cracking, downhill lean in detached garages, and the rubble-stone or unreinforced concrete footings common to 1920s-1930s construction. We document what we find with photos, explain what it means for your foundation line item, and write allowances into the contract before any work starts. A flat-lot garage conversion quote from a contractor who hasn’t walked your sloped Los Feliz property is a budget disaster waiting to happen.

ADU Design & Blueprints
Our permit sets account for both the VHFHSZ fire-code requirements and the City of Los Angeles design review that applies heightened aesthetic scrutiny to detached ADUs on Spanish Colonial and Craftsman properties. We specify ignition-resistant exterior materials, ember-resistant venting, and Class A roofing where required, and we coordinate prefab systems from brands including Abodu, Cover, and Dvele when a modular approach fits the lot constraints. The drawings are the core product, not an afterthought.

Permit Application
We submit complete permit packages to LADBS with Title 24 energy compliance documentation, fire-resistance specifications, and structural calculations for hillside foundations or retaining walls already included. Because we build what we design, our permit sets include construction details that pass plan check the first time - no red tags because a contractor later discovers the specified framing won’t work with the slope.

HOA & Zoning Compliance
Los Feliz’s older neighborhoods include hillside overlay zones and specific setback requirements that vary block by block. We verify zoning, maximum unit size, and parking relief eligibility under state ADU law before the design phase begins. If your property sits in a Historic Preservation Overlay Zone, we identify the additional design review requirements and build that timeline into the project schedule.

Title 24 Energy Compliance
Every Los Feliz ADU must meet California’s Title 24 energy standards. We model the energy performance during design, specify appropriate insulation and mechanical systems, and prepare the compliance documentation as part of the permit set - not as a last-minute add-on that delays inspection scheduling.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
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 Los Feliz
We specify and coordinate prefab and modular systems from James Hardie, Abodu, and Cover within our single-contract design-build model. James Hardie’s ignition-resistant fiber-cement cladding meets VHFHSZ requirements for Los Feliz hillside properties while maintaining the aesthetic compatibility that City design review expects on 1920s-1930s homes. Abodu and Cover units can be adapted to sloped lots with engineered foundations and retaining walls. All three are priced and coordinated under the same written contract, with the same Haven Standard protections.
Common ADU Design & Permitting Problems We See in Los Feliz Homes

- Failed hillside garage foundations. The 1928 Spanish Colonial on a Los Feliz Blvd side street we assessed last spring had a detached garage built at the toe of the slope with no real footings - diagonal cracking and a visible downhill lean meant full foundation replacement before any occupancy permit. We wrote the $35,000-$50,000 allowance into the contract upfront, priced the engineered caissons separately, and got written approval before opening a wall.
- VHFHSZ fire-code red tags. ADU plans that ignore ignition-resistant materials or ember-resistant venting get stopped at plan check. Santa Ana wind events mean LA enforces these requirements strictly on Los Feliz hillside lots, and retrofitting fire resistance after framing is far more expensive than specifying it correctly in the initial permit set.
- Surprise code upgrades without written change orders. Contractors who open walls on 1920s Los Feliz homes, find outdated wiring or undersized framing, and proceed without documenting the change leave homeowners with unapproved work that fails final inspection - and a bill they didn’t agree to in writing.
- Flat-lot quotes applied to sloped properties. A garage conversion priced for a flat parcel in Glendale or East Hollywood will not cover the engineered retaining walls, caissons, or grade-beam foundations that a steep Los Feliz lot requires. The gap typically runs $20,000-$50,000.
Pricing for ADU Design & Permitting in Los Feliz, CA
| Service Component | Typical Range in Los Feliz |
|---|---|
| Site Assessment & Feasibility Study | $2,500-$4,500 |
| ADU Design & Blueprints (permit set) | $8,000-$18,000 |
| Permit Application & LADBS Coordination | $3,500-$7,500 |
| Title 24 Energy Compliance Documentation | $1,500-$3,500 |
| VHFHSZ Fire-Code Upgrades (hillside lots) | $20,000-$35,000 additional |
| Hillside Foundation Replacement (garage conversions) | $35,000-$50,000 additional |
| Full Design-Build Package (flat lot, no surprises) | $150,000-$280,000 all-in |
| Full Design-Build Package (hillside with fire/foundation upgrades) | $205,000-$365,000 all-in |
These ranges reflect actual Los Feliz project costs we’ve quoted and built since 2015. Every project receives a written price before any work starts, per Haven Standard Clause 1. No “call for pricing.” No change orders unless you approve them in writing. Call (626) 427-9813 for your free estimate.
We Also Serve Cities Near Los Feliz

Our ADU Design & Permitting in Los Feliz team also serves Pasadena, Alhambra, Glendale, and Arcadia. Each city has its own permitting path, fire zone designations, and foundation conditions - we adjust the permit set and the contract allowances accordingly, never copy-pasting from one jurisdiction to another.
Serving Los Feliz, CA - Our Local Coverage Area
We’re based in the Los Feliz 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 Los Feliz

Yes, if your property sits in LA’s Very High Fire Hazard Severity Zone, which covers most hillside streets climbing toward Griffith Park. The permit set must specify ignition-resistant exterior materials, ember-resistant venting, and Class A roofing, and LADBS enforces these strictly during plan check. We identify your fire zone in the initial site assessment and build these specifications into the design from the first drawing. Call (626) 427-9813 for an exact quote - estimates are free.
Full foundation replacement on a sloped Los Feliz lot typically adds $35,000-$50,000 to a garage conversion project. The 1920s-1930s detached garages in this neighborhood were often built with rubble-stone or unreinforced concrete on minimal footings, and hillside settlement has left many with diagonal cracking and downhill lean. Our inspection-first walkthrough identifies this before you sign, and we write the foundation allowance into the contract with a separate line item for engineered caissons or retaining walls if needed. Call (626) 427-9813 for an exact quote - estimates are free.
It can add 4-8 weeks compared to streamlined state-law permitting in less architecturally sensitive areas. The City applies heightened aesthetic compatibility scrutiny to detached ADUs on Los Feliz’s 1920s-1930s Spanish Colonial and Craftsman properties, even as state law has forced faster permitting elsewhere. We address this by preparing detailed design compatibility documentation - material samples, massing studies, and landscape integration plans - as part of the initial permit submission, not as a reactive fix after a red tag. Call (626) 427-9813 for an exact quote - estimates are free.
It means we walk the property, photograph existing conditions, and document structural, geological, and code constraints before any design work or pricing begins. On a Los Feliz hillside lot, that includes reading foundation cracks, measuring slope grade, verifying fire zone designation, and checking for HPOZ or hillside overlay restrictions. The findings become line-item allowances in your written contract, not surprises after work starts. Call (626) 427-9813 for an exact quote - estimates are free.
We don’t proceed with unapproved work. If opening walls reveals outdated wiring, undersized framing, or failed waterproofing, we photograph the condition, price the repair in writing, and obtain your signed approval before continuing. Haven Standard Clause 5 (No Surprises) locks the scope at signing; any necessary change is documented, priced, and approved in writing. No door-side upsells. No scope creep. Call (626) 427-9813 for an exact quote - estimates are free.
Ready to move forward? Call (626) 427-9813 to schedule your free estimate. We’ll walk your Los Feliz property, document what we find, and return a written price before any work begins.
Written by Nadia Ellery, Owner at Ellery ADU Studio Pasadena, serving Los Feliz since 2015.