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
Woodland Hills is one of the warmest corners of Los Angeles, and that shapes nearly every ADU, garage conversion, and home addition we build here. The lots are big, the homes are older, and the summer heat is unforgiving. When we plan a project in Woodland Hills, we’re planning for 100°F afternoons, 1960s electrical panels, and families who need the work done without turning their home into a construction site. If you’re weighing an ADU on your lot, call us at (559) 249-3776 and we’ll walk you through what’s realistic for your property.
Why Woodland Hills Homes Are Different
Woodland Hills sits in the western San Fernando Valley, where July and August routinely push past 100°F, and Santa Ana winds sweep through in the fall. That’s not a footnote, it’s the design brief. A detached ADU here has to be cooling-first: high-SEER mini-splits, radiant barriers, high-albedo roofing, and window placement that doesn’t turn the unit into a solar oven by 3 p.m. Insulation that would pass in a coastal ZIP code fails the comfort test here by Labor Day, and it fails it badly.
The housing stock tells the other half of the story. Most Woodland Hills homes are single-family detached builds from the 1950s through the 1970s, ranch-style and mid-century modern, on lots generous enough to actually fit an ADU without gutting the backyard. That’s the good news. The catch: many of those homes still run on original 100-amp electrical panels, and two dwellings pulling summer cooling loads will trip the main breaker and fail LADWP inspection. We see that exact scenario on a regular basis in Woodland Hills, and we plan for the panel upgrade from day one rather than discovering it mid-project.
Our Main Woodland Hills Services
Most Woodland Hills homeowners call us about one of three things: adding square footage to the main house, turning an underused garage into living space, or building a standalone ADU. Here’s what each one looks like in this city.
Home Addition Contractor in Woodland Hills
A home addition in Woodland Hills often means expanding a ranch-style home outward or reworking a mid-century floor plan that has not been touched since the Nixon administration. The flat terrain on most lots helps keep foundation work straightforward, but the older electrical and sewer infrastructure underneath these homes tends to demand upgrades before framing begins. We line out the scope and the written price before any demo, so there are no surprises when crews arrive. Home Addition Contractor in Woodland Hills covers the full process, from first drawings to final inspection.
Garage Conversion Contractor in Woodland Hills
Woodland Hills has thousands of attached and detached garages from the 1950s and 1960s that rarely hold cars anymore. Converting one into a studio or one-bedroom unit is often the fastest path to a rental or an in-law suite, but the garage slab, lack of insulation, and dated electrical all need to be addressed before the space is livable. In this climate, skipping insulation or a proper cooling system is not an option, it’s a summer emergency. Garage Conversion Contractor in Woodland Hills walks through what a garage-to-home transformation costs and involves here.
ADU Builders in Woodland Hills
A new ADU on a Woodland Hills lot means a small, permanent home built from the ground up, designed for 110°F summers and Santa Ana wind season. Lot sizes here are among the friendliest in Los Angeles for detached units, but panel capacity, sewer lateral condition, and fire-resistant exterior materials all factor into the plan. We bring written pricing and hands-on access to prefab brands like Abodu and Dvele so families can compare options without a sales gauntlet. ADU Builders in Woodland Hills goes deep on standalone units.
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
Seedling is brand-agnostic, which matters more than it sounds. We work hands-on with Abodu, Cover, Dvele, and Mighty Buildings, among others, so each Woodland Hills homeowner picks the right product for their lot, budget, and timeline. Learn more at our brands page. Parts and material lead times are confirmed before we give you a written price, not after.
Pricing for ADU Company in Woodland Hills, CA
| Service | Typical range in Woodland Hills |
|---|---|
| Detached ADU (studio, 400 – 500 sq ft) | $180,000 – $240,000 |
| Detached ADU (1-bedroom, 600 – 750 sq ft) | $220,000 – $300,000 |
| Detached ADU (2-bedroom, 800 – 1,000 sq ft) | $280,000 – $380,000 |
| Prefab ADU (Abodu, Cover, or similar) | $160,000 – $260,000 installed |
| Garage conversion (studio, attached garage) | $95,000 – $140,000 |
| Garage conversion (1-bedroom, detached garage) | $120,000 – $180,000 |
| Home addition (primary suite, 300 – 400 sq ft) | $140,000 – $200,000 |
| Home addition (family room or bedroom, 200 – 300 sq ft) | $100,000 – $160,000 |
| Electrical panel upgrade (100-amp to 200-amp) | $3,500 – $6,500 |
| Sewer lateral replacement or repair | $4,000 – $9,000 |
| High-SEER mini-split system (per zone) | $4,500 – $9,000 |
| Fire-resistant siding upgrade (Hardie or similar) | $12,000 – $30,000 |
What pushes a Woodland Hills price up is usually the panel and the sewer lateral, both common on 1950s and 1960s lots. We give every family a written price before any work starts, and that price does not change mid-project without a signed change order.
Neighborhoods We Serve in Woodland Hills
Our crews work throughout Woodland Hills, from the flats south of Ventura Boulevard up into the hillside streets where wind exposure changes the material math. We schedule most estimates within a few business days of your call.
- Walnut Acres
- Woodland Hills Country Club Estates
- College Acres
- The Valley Circle area
- Vista de Oro
Service Area – Cities Near Woodland Hills
Our Woodland Hills crews also serve nearby Valley communities, so homeowners around Canoga Park, CA, Topanga, CA, Tarzana, CA, and West Hills, CA get the same written-price approach and on-site care. If you’re close to Woodland Hills but not sure whether you’re in our area, call and ask.
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
Most Woodland Hills projects start within two to four weeks of the written estimate, depending on permit intake at LADWP and the city’s building department. We handle the permit drawings and submission, and we’ll give you a realistic start window before you sign anything. Call (559) 249-3776 to check our current schedule.
Some Woodland Hills neighborhoods have HOAs with design covenants, but California state law overrides most attempts to ban ADUs outright. We review any HOA requirements before we finalize drawings, and we flag anything that could slow approval so there are no surprises later.
Yes. Every ADU, garage conversion, and home addition we build in Woodland Hills goes through the city permit process, with all inspections passed before we call the job done. Our written price includes the permitting scope agreed on before work starts. Call (559) 249-3776 for a free estimate and a straight answer on what your project will need.
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
"Garage to studio conversion with us living right there. They sealed off the dust, cleaned up daily, and respected our quiet hours. No surprise costs. Beautiful."
- Terrence Boylan"Garage conversion into a studio. They sealed off the work area so dust didn't get into the house, and cleaned up every day before leaving. Calm, careful team to have around."
- Darnell Hobbs"Junior ADU conversion inside the house. They were incredibly clean about it, plastic walls, floor protection, daily cleanup, all with a toddler in the home. Couldn't have asked for more care."
- Marcus Oyelaran
