A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Glendale, CA
ADU construction in Glendale, CA comes with a specific set of realities that shape every project we take on. The housing stock is older, the lots are tighter, and the city’s hillside zones create grading and setback complications you simply won’t find in flatter parts of the LA basin. If you’re weighing an ADU, a room addition, or a full home addition here, you want a builder who already knows what Glendale’s planning department will ask for before you spend a dollar on drawings. That’s the work we do. Call us at (903) 568-7222 and we’ll put a written price in front of you before any work starts.
Why Glendale Homes Are Different
Glendale’s residential fabric runs from 1920s Spanish and Tudor homes in Rossmoyne and Adams Hill to mid-century ranches in Verdugo Woodlands and newer builds up toward La Crescenta. That spread matters. A 1920s home on a hillside lot usually means a pier-and-post foundation, a nonconforming setback, and a site survey that surfaces surprises. A 1960s ranch in a flatter pocket is a different job entirely. Both can support a great ADU, but the path to permits looks different for each.
Hillside work is the biggest variable. Glendale has a Hillside Design Review process layered on top of standard ADU permitting, and any structure on a slope over a certain grade triggers additional geotechnical and drainage review. That’s not a reason to avoid the project. It’s a reason to price it correctly the first time. We factor grading, retaining walls, and foundation engineering into the written estimate up front, so the number you approve is the number you pay.
Climate shapes the build too. Glendale summers are hot and dry, which makes insulation choices and window orientation more important than in coastal pockets of LA. We spec wall assemblies and glazing for real heat, not for a generic Southern California postcard.
Our Main Glendale Services
Most Glendale homeowners reach out about one of three things: building an ADU in the backyard, adding square footage to the existing home, or converting a garage or bonus space into a livable room. Here’s what each looks like in this city.
ADU Builders in Glendale
Backyard ADUs in Glendale run from detached one-bedroom units on flat lots to hillside builds that need pilings and retaining walls. We walk every site before quoting, and we price the offset, the grading, the utility trenching, and the build as one complete number. You get a written price before any work begins, and you can choose a ADU Builders in Glendale path that’s prefab, panelized, or entirely site-built depending on lot access and your timeline. Setbacks, ADU size caps, and the JADU option all change by zone, so the first call is about your specific parcel.
Home Addition Contractor in Glendale
A home addition in Glendale usually means extending at the rear or going up, and both directions have their own structural realities here. Second-story additions on older framing often require seismic retrofit work before the new floor can land, and rear extensions on tight lots can press right up against side and rear setback limits. We handle the engineering, the permit set, and the build as one scope with one price. Visit our Home Addition Contractor in Glendale page for the full breakdown of how we structure these projects.
Room Addition Contractor in Glendale
Room additions in Glendale often start as a conversation about a single need: a first-floor bedroom for an aging parent, a quiet office, or a family room that finally fits everyone. The most common sticking point is foundation work on older homes, followed by matching rooflines so the addition doesn’t look stapled on. We line-item both in the written estimate. Learn more on our Room Addition Contractor in Glendale page, including what a typical garage conversion and bonus-room build costs here.
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.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Glendale
We build with and source from Abodu, Cover, Dvele, and Mighty Buildings, which gives Glendale homeowners a real choice between prefab panel systems and conventional framing. Parts for these systems are sourced directly through our supplier network rather than special-ordered piecemeal, which keeps a typical prefab ADU build on schedule. See our brands for the full line card.
Pricing for ADU Company in Glendale, CA
| Service | Typical range in Glendale |
|---|---|
| Detached ADU (1-bed, site-built) | $180,000 – $240,000 |
| Detached ADU (2-bed, site-built) | $230,000 – $320,000 |
| Detached ADU (1-bed, prefab/panelized) | $150,000 – $210,000 |
| Detached ADU (2-bed, prefab/panelized) | $200,000 – $280,000 |
| Garage conversion ADU | $110,000 – $170,000 |
| Attached JADU (conversion within existing home) | $90,000 – $150,000 |
| Single-story home addition (12′-16′ bump-out) | $95,000 – $160,000 |
| Two-story home addition (with structural retrofit) | $180,000 – $300,000 |
| Single room addition (office/bedroom, no plumbing) | $50,000 – $90,000 |
| Primary suite addition (with bathroom) | $110,000 – $180,000 |
Hillside lots, soil compaction, retaining walls, and older electrical panels are the four things that most often push a Glendale ADU or addition toward the top of these ranges. We quote all of that before you sign anything. The price we put in writing is the price you pay, no change orders invented mid-project.
Neighborhoods We Serve in Glendale
We run crews across all of Glendale, from the hillside streets of Adams Hill to the flatter lots north of the 134 and up into Verdugo Woodlands. Our dispatch and scheduling are coordinated from our Los Angeles office, so a crew can typically reach most Glendale neighborhoods the same day for site visits and estimates.
- Adams Hill
- Rossmoyne
- Verdugo Woodlands
- Moorpark
- Sparr Heights
Service Area – Cities Near Glendale
We also serve homeowners in the surrounding LA foothill communities. If you’re in Burbank, CA, North Hollywood, CA, La Canada Flintridge, CA, or Studio City, CA, the same written-price process applies there too. Each city has its own permitting quirks, but the way we quote, build, and warranty the work does not change.
Serving Glendale, CA - Our Local Coverage Area
We’re based in the Glendale 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 About ADU Company in Glendale
Most Glendale addresses can be on our schedule the same week you call, often within a day or two. Site visits for hillside lots and ADU feasibility checks run a little longer to schedule because we bring a survey tech when needed. Call (903) 568-7222 and we’ll give you a confirmed time, not a window.
If your property sits in an HOA, you’ll need their sign-off in addition to city permits, and Glendale’s larger hillside HOAs can be the slowest step in the process. We handle the city side entirely and provide the architectural drawings your HOA review board will ask for. The HOA’s design review timeline is theirs, not ours, but early filing helps.
Every project we build in Glendale includes a written guarantee that covers the workmanship for a full year from completion. If anything we built isn’t right within those 365 days, we make it right at no charge. If a covered repair fails, we come back for a second visit for free. It’s stamped on every project, not hidden in a warranty booklet.
Ready to talk numbers for your Glendale ADU or home addition? Call us at (903) 568-7222 for a free estimate, and we’ll put the price in writing before a single shovel turns.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Glendale Customers Say
"Booked a consult online and met the project manager two days later. Weekly progress updates arrived by text with photos. ADU finished on schedule."
- Hannah W."Clean, quiet crew. They respected the neighbors, kept noise to working hours, and swept the driveway every evening."
- Hope C."Communication was the best part. I always knew what was happening that week without having to ask."
- Dolly N.
