ADU Contractor · Glendale, CA

ADU Builder & Contractor in Glendale, CA

Garage conversions, detached ADUs and JADUs on Glendale lots — permits through the City of Glendale, design to Certificate of Occupancy, one fixed-price contract.

Glendale ADU cost (2026): JADU $95K–$160K; Garage Conversion $140K–$210K; Detached ADU $260K–$450K+. Garage conversion or JADU: 6–10 weeks of design and plan check, then 3–5 months of construction, about 5–8 months in all. Detached ADU: 3–5 months of design, engineering and plan check, then 6–9 months of construction, 9–14 months to the Certificate of Occupancy.

Permits: the City of Glendale Building & Safety Division, not LADBS. One fixed price after a free on-site estimate from a licensed general contractor, CSLB #1021284, based in Valley Glen about 20 minutes from Glendale.

Updated October 2026 · Right Image Builders project team · CSLB #1021284 · 5.0★ Google (45 reviews) · 4.9★ Angi (103 reviews)

Right Image Builders is a licensed ADU contractor building across Glendale — Rossmoyne, Adams Hill, the Verdugo Woodlands, Sparr Heights, Glenoaks Canyon and Chevy Chase Canyon. We handle garage conversions, detached ADUs and Junior ADUs from design through the City of Glendale permits to final inspection and the Certificate of Occupancy, on one fixed-price contract; our crew is based in Valley Glen about 20 minutes away. CSLB #1021284. Free feasibility visit: (818) 210-4544.

The Right Image Approach

Glendale Lots
and the Second Unit They Can Hold

Glendale reviews ADUs under its own ordinance and through its own Building & Safety Division, ministerially like the rest of California, but with Glendale's zoning code, Glendale's hillside rules and Glendale Water & Power connections instead of LADBS and LADWP. The flat lots around Adams Hill, the Verdugo Woodlands and Sparr Heights are 6,000–9,000 sq ft with a detached garage, which converts to a 400–480 sq ft unit; the canyon lots in Glenoaks and Chevy Chase need the slope and the access designed first.

The typical site is a flat 6,000–9,000 sq ft R1 lot with a detached garage, or a canyon lot where slope and access decide the design. What decides between a garage conversion, a JADU and a detached unit is that lot, the sewer route and the main panel: 60- to 100-amp panels in the prewar and 1950s houses; a 200-amp Glendale Water & Power service upgrade is part of most full kitchens. Every unit gets a full kitchen and bath, its own sub-panel and, for a detached unit, its own address.

One contract covers the whole job: a licensed architect draws the plans, a structural engineer stamps them, we file with the City of Glendale and answer the corrections, and our own crew builds through final inspection and the Certificate of Occupancy. Our office is in Valley Glen, about 20 minutes away, and the project lead who does the feasibility visit runs the build.

Request Free ADU Feasibility Visit
Detached ADU built by Right Image Builders
Representative detached ADU; Glendale unit photos follow as each project completes.
What We Build

Three Paths
to a Second Unit

01

Detached ADUs

A ground-up standalone home in the backyard — up to 1,200 sq ft, one or two bedrooms, its own entrance and address. On typical Glendale R1 lots we most often build in the 600–1,000 sq ft range, sized to the yard and your budget.

02

Garage Conversions

The most cost-effective Glendale path. We convert your existing detached or attached garage into a legal ADU — foundation and slab upgrades, framing, insulation, windows, a full kitchen and bath, and code electrical and plumbing, all permitted.

03

Junior ADUs (JADUs)

A JADU (up to 500 sq ft) carved out of the existing house — often a converted bedroom or garage-adjacent space with an efficiency kitchen. The lowest-cost way to add a legal, rentable unit without building new square footage.

04

City ADU Review

Glendale reviews ADUs ministerially under its own ordinance: a complete, code-compliant application is approved without a public hearing. We prepare the submittal to the city's own plan-check list, answer the corrections and schedule every inspection through the Certificate of Occupancy.

05

Utilities & Site Work

Water, sewer, and electrical connections; addressing; grading and drainage; and the exterior work that ties the ADU into the property. The unglamorous coordination that quietly makes or breaks an ADU timeline — handled in-house.

06

Design, Permits & Build

One contract from concept to keys: a licensed architect draws the plans, a structural engineer stamps them, we file with the City of Glendale, and our own crew builds through final inspection and the Certificate of Occupancy.

Building in Glendale

Why Glendale
Works for ADUs

Glendale is its own city, with its own Building & Safety Division, its own utility in Glendale Water & Power and its own zoning code, which is the first thing to know about remodeling there. The neighborhoods run from the flats around Brand Boulevard and Adams Hill up into Rossmoyne, the Verdugo Woodlands, Sparr Heights and the canyons of Glenoaks and Chevy Chase, with Metrolink at Glendale station on Cerritos Avenue and the Beeline buses across town. Our office is in Valley Glen, about 10 miles west by the 134, a 20-minute drive; the permit center is at 633 E. Broadway downtown.

No replacement parking is required when a garage converts, and the state exemption from impact fees for units under 750 sq ft applies in Glendale as everywhere else; what changes is the submittal: Glendale's own plan-check list, its hillside regulations on the foothill parcels and historic review where a lot sits inside a district overlay. We check the zoning on the city's parcel map, the panel, the sewer route and the overlay at the feasibility visit, and file at 633 E. Broadway.

An ADU in Glendale is permitted through the City of Glendale Building & Safety Division under ministerial review, which approves a code-compliant unit without a public hearing, and the utility connections go through Glendale Water & Power (GWP). Units under 750 sq ft pay no impact fees, a garage conversion needs no replacement parking, and the unit can be rented on leases of 30 days or more once the Certificate of Occupancy is issued.

What It Costs

Glendale ADU
Planning Ranges (2026)

ADU TypeTypical RangeWhat's Involved
JADU$95K–$160KUp to 500 sq ft carved from the existing home with an efficiency kitchen and bath. The lowest-cost legal unit.
Garage Conversion$140K–$210KConvert an existing garage to a full legal ADU — foundation/slab upgrades, framing, kitchen, bath, and code systems.
Detached ADU$260K–$450K+Ground-up standalone unit; hillside lots south of Ventura add grading, retaining, and access costs.

Ranges are typical Glendale estimates for planning only and move with size, finish level, structural scope and site access; after the free on-site visit you get an itemized fixed price in writing.

How It Works

Three Steps.
Zero Surprises.

01

Free Feasibility Visit

We visit your Glendale property, confirm what your R1 lot allows, check transit-parking rules, and tell you honestly which path — detached, garage conversion, or JADU — fits your goals and budget.

02

Design, Plans & Permits

We design the unit, prepare the submittal to the city's own plan-check list, and carry the submittal and corrections through plan check — with a fixed-price proposal set before construction.

03

Build & Deliver

One crew builds the ADU to final inspection sign-off, utilities connected and address issued. You get a rentable, legal second home — final payment only after your walkthrough approval.

Free Feasibility Visit

Start Your Glendale
ADU

Tell us about your lot and your goals and we'll get back to you within 4 business hours. We'll confirm what your property allows before you spend anything on plans.

Prefer to talk it through?

(818) 210-4544
✓
Request Received
Thank you — a senior member of our team will reach out within 4 business hours. For anything urgent, call (818) 210-4544.

Your information is kept private and never shared. Privacy Policy

Reviews

What Clients Say About
Our ADU Construction Work

★★★★★

ADU build in Sherman Oaks. Permits pulled, inspections passed, project completed in 14 weeks. They were transparent about every step. We're renting the unit already — it's beautiful and fully up to code.

Michael & Diane G.
Detached ADU · Sherman Oaks
Google
★★★★★

We had a complex ADU project that other contractors kept turning down or quoting absurd prices. Right Image Builders handled permits, design, and construction seamlessly. This is the most professional contractor I've ever worked with in 15 years of owning property in LA.

Robert T.
ADU Construction · Sherman Oaks
Yelp
★★★★★

We had tried two other contractors who couldn't navigate the LADBS permit process for our ADU. Right Image Builders had the permit in hand within six weeks of starting design and delivered a beautiful unit on the exact date promised. It's now generating $2,800 a month in rental income. Best investment we've made in this property.

Marcus & Tricia L.
Detached ADU · Encino
Google
Glendale ADU FAQ

Questions We
Hear in Glendale

Almost certainly. Glendale is largely 1950s R1 single-family lots, and California ADU law lets nearly every single-family property add at least one ADU plus a Junior ADU. Glendale is one of the highest-volume ADU and garage-conversion areas in Los Angeles precisely because these tract lots have the room and the alley or driveway access to make it work. We confirm exactly what your specific lot allows at the free site visit.
Under current California rules, a detached ADU can generally be built up to 1,200 sq ft, and a Junior ADU (JADU) is capped at 500 sq ft and must be within the existing home. On typical Glendale R1 lots, most detached units we build land in the 600–1,000 sq ft range — a comfortable one or two-bedroom. We size the ADU to your lot, your budget, and whether you're housing family or renting.
Yes — Glendale is its own city, so your ADU is permitted through Glendale Building and Safety, with submissions filed at the City of Glendale Building & Safety Division at the Permit Services Center, 633 E. Broadway, Room 101. We manage the whole process, and where it fits we use the Glendale Building and Safety pre-approved ADU ordinance to speed plan check. You don't deal with the counter or the corrections — we do.
Yes, and it's one of the most cost-effective paths in Glendale. These homes have detached or attached garages that convert well into a legal ADU — we upgrade the foundation and slab as needed, frame new walls, add insulation, windows, a full kitchen and bath, and bring electrical and plumbing to code, all on permit. A garage conversion typically costs less than a ground-up detached unit.

A garage conversion never needs replacement parking under state ADU law. A new detached unit needs no parking space when the lot is within half a mile walking distance of public transit, which covers much of Glendale near Metrolink at Glendale station on Cerritos Avenue and the Glendale Beeline. Where a space is required, one tandem space on the existing driveway satisfies it.

A garage conversion or JADU takes 6–10 weeks of design and plan check and 3–5 months of construction, about 5–8 months in all; a detached ADU takes 3–5 months of design, engineering and plan check and 6–9 months of construction, 9–14 months to the Certificate of Occupancy. Yes, you can rent it: a standard ADU can be rented long-term (30 days or more) with no owner-occupancy requirement; only a JADU requires the owner to live on the property.

Right Image Builders, a licensed general contractor (CSLB #1021284) based in Valley Glen about 20 minutes from Glendale, designs, permits and builds ADUs across Rossmoyne, Adams Hill, the Verdugo Woodlands under one fixed-price contract: design, permits through the City of Glendale, and construction by one crew, with final payment only after your walkthrough. 5.0★ on Google (45 reviews) and 4.9★ on Angi (103 reviews).

Ready When You Are

Let's Build Your
Glendale ADU

Free feasibility visit. Fixed-price proposal. One local team from design and Glendale Building and Safety permits through to a finished, rentable unit.

(818) 210-4544
✓
Request Received
Thank you — a senior member of our team will reach out within 4 business hours. For anything urgent, call (818) 210-4544.

Your information is kept private and never shared. Privacy Policy

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