A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Woodland Hills, CA
Fielding ADU Builders handles accessory dwelling units, garage conversions, and room additions across Woodland Hills, CA. Most homes here were built between the 1950s and 1980s, which means roof framing, electrical panels, and foundation slabs vary enough that every job starts with a site visit rather than a guess. The hillside lots and tighter setbacks in neighborhoods like Walnut Acres and Vista de Oro also mean the city’s planning counters are more involved here than in flatter parts of the Valley. Call (361) 315-4177 and we’ll send someone who knows the difference.
Why Woodland Hills Homes Are Different
Woodland Hills sits against the Santa Monica Mountains, so part of the community is flat Valley floor and part is slope. A flat lot off Oxnard Street usually gives us a clean path for a backyard ADU; a hillside lot off Mulholland Drive can add grading, retaining, and drainage work before foundation forms go in. Concrete piers are common on the steeper streets, and we size them for the soil conditions the building department expects in the hills.
The housing stock is older and mixed. Postwar ranch homes sit next to 1980s two-story builds, and almost none of them share the same electrical service or roof pitch. That matters when you are planning a garage conversion or a detached unit: the panel may need upgrading, the slab may need leveling, and the setback rules may reach farther on a corner lot. We price the Woodland Hills reality, not a template. Written price first, then the work.
Our Main Woodland Hills Services
Three jobs keep our Woodland Hills schedule full: room additions, garage conversions, and new ADU structures. Each one has its own dedicated page here, because each one has different permit paths and very different price ranges.
Room Addition Contractor in Woodland Hills
A room addition in Woodland Hills usually means tying new square footage to an existing house that was framed decades ago. Matching roof lines on a 1960s ranch, finding the right place to open a load-bearing wall, and getting the city to sign off on the enlarged footprint takes a contractor who has done it here. Room Addition Contractor in Woodland Hills covers how we handle the structural work, the permits, and the written price.
Garage Conversion Contractor in Woodland Hills
Converting a garage is often the fastest route to rental income in Woodland Hills, but the slab is the variable. Some garages here have post-tension slabs with no intentional vapor barrier; others have settled and need leveling before flooring can go down. Electrical and sewer laterals vary by street, and the building department checks both. Garage Conversion Contractor in Woodland Hills goes through the real numbers and the local permit sequence.
ADU Builders in Woodland Hills
New ADUs in Woodland Hills are either site-built or manufactured offsite, and your lot usually decides which makes sense. Flat rear yards with alley access are different from hillside side yards with no crane access and a retaining wall in the way. We work with Dvele and Mighty Buildings on prefab units, and we build conventional units with James Hardie siding as well. ADU Builders in Woodland Hills lays out the options, the costs, and how we keep the number you approve from moving.
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 Woodland Hills
On Woodland Hills ADU jobs we commonly service Dvele and Mighty Buildings modules, plus conventional Hardie-sided builds. Siding, flashing, and panel repairs for these come from Los Angeles suppliers, which keeps parts days away, not weeks. Our brands page lists the full set.
Pricing for ADU Company in Woodland Hills, CA
| Service | Typical range in Woodland Hills |
|---|---|
| Detached ADU (site built) | $180,000 – $420,000 |
| Detached ADU (prefab/modular) | $160,000 – $350,000 |
| Garage conversion ADU | $110,000 – $220,000 |
| Attached ADU (JADU) | $90,000 – $190,000 |
| Room addition (300 – 600 sq ft) | $85,000 – $220,000 |
| Primary suite addition | $120,000 – $250,000 |
| Freestanding home office addition | $55,000 – $120,000 |
| Kitchen extension | $70,000 – $160,000 |
What pushes a Woodland Hills price up is usually the dirt, not the building. Hillside foundations, retaining walls, and the occasional need to haul structural steel up a narrow canyon street cost real money, and we put that in writing before anything starts. The number you approve on day one is the number on the final invoice.
Neighborhoods We Serve in Woodland Hills
We work across the whole Woodland Hills area, from the flat Valley streets up into the canyons. Response times run shortest near the 101 corridor and stretch slightly into the hills, but scheduling is set at the estimate, not at the door.
- Walnut Acres
- Vista de Oro
- Woodland Hills Estates
- College Acres
- South of the Boulevard
Service Area – Cities Near Woodland Hills
Fielding ADU Builders also covers the neighboring Valley communities. We work in Canoga Park, CA, Tarzana, CA, West Hills, CA, and over the hill in Topanga, CA. Scheduling and dispatch run from our Los Angeles office; crews serve Woodland Hills locally.
Serving Woodland Hills, CA - Our Local Coverage Area
We’re based in the Woodland 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 About ADU Company in Woodland Hills
We schedule estimates around your street, not the other way around. Most Woodland Hills visits land within a few business days of your call. The hills take a little longer to reach than the flats, but we commit to the appointment window we give you.
Some do. HOAs in Woodland Hills cannot block an ADU outright under state law, but they can impose standards on paint color, fencing, and construction hours. We handle the building department work; you handle your HOA’s design review. Call (361) 315-4177 before you sign anything.
Yes. Every job in Woodland Hills is permitted through the city’s building department. The Garrison Standard covers workmanship defects for 365 days; if something fails, we come back and make it right at no charge. Call (361) 315-4177 for a free estimate.
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 Woodland Hills Customers Say
"Built a detached ADU behind our house. The builder is a veteran and runs the site like a platoon: schedule posted, crew on time, everything labeled. Finished within a few days of the date."
- Ken W."Room addition over the back patio. Framing is square, windows are tight, and the roofline matches."
- Danny L."Foundation and slab poured on schedule. Crew kept the yard orderly."
- Marian J.
