A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Van Nuys, CA
ADU work in Van Nuys comes with its own set of realities: older housing stock on tight lots, a warm inland climate that punishes cheap materials, and a permit process that rewards builders who’ve done this before. We’re Sutton ADU Builders, and we help homeowners add livable square footage in Van Nuys whether that’s a detached ADU in the back yard, a garage conversion, or a room addition off the main house. Every project starts with a written price before anything gets built, and every person who steps onto your property is background-checked, photo-badged, and identified before they arrive. Call (472) 248-8213 for a free estimate.
Why Van Nuys Homes Are Different
Van Nuys has some of the oldest housing stock in the San Fernando Valley, with a large share of homes built between the 1940s and 1960s. That means narrow side yards, detached garages set at the back of the lot, and foundations that have settled over decades. When we plan an ADU or addition here, we’re almost always working around existing conditions rather than starting from a clean slate. Lot coverage rules matter more in Van Nuys than in newer subdivisions, because the original homes were often built to the edge of what zoning allowed. A setback (the required gap between your new structure and the property line) can make or break a project on these older parcels.
The climate is another factor. Van Nuys summers are hot and dry, with stretches above 100 degrees, and the winter brings enough rain to test any roofline. Exterior materials need to handle direct sun without warping or fading, which is why we frequently recommend James Hardie cladding for additions and ADUs in this area. Drainage and grading also matter more than homeowners expect, especially on the flat lots west of Van Nuys Boulevard where stormwater has fewer natural paths out.
Permits in Van Nuys go through the Los Angeles Department of Building and Safety, and the city’s ADU rules have changed several times in recent years. The good news is that state law now preempts some local restrictions, which makes detached ADUs feasible on many Van Nuys lots that wouldn’t have qualified a decade ago. We handle the permit paperwork as part of every project, and we won’t start work until the plans are approved and the written price is locked.
Our Main Van Nuys Services
Most Van Nuys homeowners come to us with one of three goals: adding square footage to the main house, building a detached ADU in the yard, or converting underused space into livable square footage. Each of these has its own dedicated Van Nuys page with pricing and process details. Here’s a quick orientation to each.
Home Addition Contractor in Van Nuys
A home addition in Van Nuys usually means extending off the back or side of an existing structure, which requires matching rooflines, foundation work, and careful attention to how the new space connects to the old. Many of the homes here have pier-and-beam foundations or slabs that have shifted, so we start with a structural assessment before quoting anything. The 365-Day Done Right Promise covers the completed work for a full calendar year, in writing. See the full breakdown on our Home Addition Contractor in Van Nuys page.
ADU Builders in Van Nuys
Detached ADUs are the biggest opportunity on Van Nuys lots because the old parcels are often long enough to accommodate a small structure at the rear. We work with prefab and modular lines like Abodu, Dvele, and Plant Prefab where they fit, and we also build stick-framed ADUs from the ground up when the lot demands it. A written price comes before any work begins, always. Details, timelines, and real dollar ranges are on our ADU Builders in Van Nuys page.
Room Addition Contractor in Van Nuys
A room addition is typically a single new space: a bedroom, a home office, a larger kitchen, or a family room bump-out. In Van Nuys, these projects often involve working around mature trees, existing utility lines, and neighbors close enough to shake hands with. We send the name and photo of every technician before they arrive, so you always know who’s coming to the door. The full scope and pricing for Van Nuys room additions is on our dedicated Room Addition Contractor in Van Nuys page.
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 Van Nuys
We work with several recognized ADU and exterior product lines, including Abodu, Cover, and Mighty Buildings. If you already own one of these units or are considering one for your Van Nuys lot, we can assess it, handle the site work, and coordinate the installation. See our brands page for the full list.
Pricing for ADU Company in Van Nuys, CA
| Service | Typical range in Van Nuys |
|---|---|
| Detached ADU (400 – 600 sq ft, prefab) | $180,000 – $260,000 before site work |
| Detached ADU (600 – 900 sq ft, prefab) | $260,000 – $340,000 before site work |
| Detached ADU (stick-framed, 400 – 600 sq ft) | $220,000 – $300,000 |
| Detached ADU (stick-framed, 600 – 900 sq ft) | $300,000 – $420,000 |
| Garage conversion (200 – 400 sq ft) | $90,000 – $160,000 |
| Single room addition (150 – 250 sq ft) | $60,000 – $110,000 |
| Primary suite addition (300 – 500 sq ft) | $150,000 – $260,000 |
| Kitchen bump-out (100 – 200 sq ft) | $50,000 – $95,000 |
| Site preparation and foundation work | $15,000 – $45,000 |
| Permit and plan fees (LA County) | $8,000 – $20,000 |
What pushes a Van Nuys project toward the top of these ranges is usually site access, foundation condition, and any need to relocate utilities. Older parcels also tend to have surprises once we start digging, which is exactly why we deliver a written price before work begins. You’ll know the number before you commit, and it doesn’t change mid-project unless you change the scope.
Neighborhoods We Serve in Van Nuys
We work throughout Van Nuys and the surrounding Valley communities. Most estimates in this area can be scheduled within the week, and we coordinate all dispatch and scheduling from the brand’s Los Angeles office with crews serving Van Nuys locally.
- Van Nuys Civic Center area
- Valley Glen
- Lake Balboa (north of the dam)
- Sepulveda Basin neighborhoods
- North Van Nuys
Service Area – Cities Near Van Nuys
While this page is focused on Van Nuys, we also work in the surrounding Valley cities. If you’re in Sherman Oaks, CA, Studio City, CA, North Hollywood, CA, or Encino, CA, each of those pages covers local pricing and conditions for ADUs and additions in those neighborhoods.
Serving Van Nuys, CA - Our Local Coverage Area
We’re based in the Van Nuys 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 Van Nuys
Once we’ve assessed the lot and you’ve approved the written price, permitting in Van Nuys typically takes two to four months depending on the scope and whether the project triggers any special reviews. Actual construction starts after permits are issued. Call (472) 248-8213 for a timeline specific to your property.
Yes. We prepare the plans, submit them to the Los Angeles Department of Building and Safety, and manage any revisions or requests for more information. You won’t be chasing city paperwork yourself. The permit and plan fee range is included in the pricing table above.
No, unless you change the scope. The price we put in writing before work begins is the price you’ll pay. If we discover something unexpected during site work, we stop and bring it to you with options and a revised written figure before any additional work is done. Estimates are free, and there’s never pressure to proceed.
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 Van Nuys Customers Say
"Itemized estimate with allowances laid out. Final cost was within a hair of the quote."
- Naomi R."Backyard ADU for my mother. The project manager showed ID and walked me through the permit steps, the foundation plan, and the schedule. Moved her in on time."
- Margaret C."Insulated the walls and ceiling properly. It stays comfortable even in July."
- Tamika W.
