







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Ladera Heights, CA
An ADU in Ladera Heights typically costs $180,000 to $350,000 for a backyard unit, and $120,000 to $220,000 for a garage conversion. What makes Ladera Heights different is the housing stock itself: post-war single-family lots with generous rear yards, but also strict hillside and drainage rules the moment you get into the Slauson slope areas. That combination is why homeowners here call us before they call an architect. We walk the lot, flag the setback issues early, and put the full price in writing before anything gets built. Call (903) 568-7222 for a free site review.
Why Ladera Heights Homes Are Different

Ladera Heights sits on a gentle rise between Culver City and Inglewood, and that elevation shows up in a few ways that change how an ADU gets designed. The lots are deeper than they look from the street, but many of the original 1940s and 1950s homes sit on raised foundations, which means your accessory dwelling unit either needs its own foundation system or a prefab design that handles a sloped pad. We see this along Wooster Avenue and the streets running parallel to Slauson, where the grade can drop 3 to 4 feet from the house to the back fence.
Drainage is the other constant. Ladera Heights receives most of its rain in a handful of winter storms, so a detached ADU needs better than code-minimum grading. Without it, water pools against the new slab and wicks into the wall framing. The city is strict about this, and we include drainage correction in every Ladera Heights quote instead of waiting for the inspector to flag it.
One more thing worth knowing: many Ladera Heights properties fall under homeowners association review. Some HOAs in the neighborhoods east of La Cienega have architectural committees that require specific exterior finishes. We handle that paperwork, and we will not submit plans that we know will get bounced.
Our Main Ladera Heights Services
Ladera Heights homeowners reach out to us for three projects more than anything else: building a new ADU, adding square footage to the main house, and converting or adding a single room. Each one has its own page with detailed pricing and process notes for this city.
ADU Builders in Ladera Heights
Backyard ADUs in Ladera Heights are our most involved permit path because the city requires the same setbacks, height limits, and utility connections as a primary home. On a standard 7,500-square-foot lot, a one-bedroom detached unit usually lands in the $180,000 to $280,000 range with a prefab panel or kit. On a sloped lot, site-built framing is often the better value because the foundation work is the same either way. We design around the setbacks from day one, so the unit is buildable before you spend a dollar on plans. ADU Builders in Ladera Heights covers permit paths, brand choices, and full pricing.

Home Addition Contractor in Ladera Heights
A home addition in Ladera Heights means extending the existing dwelling, which brings different rules than a detached ADU. Because many of the original homes are single-story post-war builds, a second-story addition over the back half of the house is common. The challenge is the existing foundation, which was never designed for double the load. That means either a new footing line or a steel beam, and that cost has to be estimated honestly up front. We see additions run from $120,000 for a small kitchen bump-out to $350,000 for a true second story. Home Addition Contractor in Ladera Heights breaks down the costs and the permit sequence.

Room Addition Contractor in Ladera Heights
A room addition in Ladera Heights is the most targeted version of an addition: one bedroom, one bath, or one expanded living space without touching the rest of the home’s footprint. These jobs often go faster because the permit review is shorter and the structural work is contained. On flat lots, we consistently bring single-room additions in between $80,000 and $140,000, depending on whether it needs a bathroom. On hillside lots, expect a little more for foundation piers. Room Addition Contractor in Ladera Heights explains what a room addition looks like on a Ladera Heights lot.

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 Ladera Heights
Benson ADU Builders builds with Abodu, Cover, and Dvele for prefab ADU projects, and we stock James Hardie cladding locally for any addition or detached unit. If you have already researched a specific brand, we will tell you honestly whether it fits your lot. Our brands page lists what we carry and what each system costs.
Pricing for ADU Company in Ladera Heights, CA
| Service | Typical range in Ladera Heights |
|---|---|
| Detached ADU (1 bed, 1 bath, prefab) | $180,000 – $280,000 |
| Detached ADU (2 bed, site-built) | $250,000 – $350,000 |
| Garage conversion ADU | $120,000 – $220,000 |
| JADU (attached junior ADU) | $90,000 – $150,000 |
| Kitchen bump-out addition | $120,000 – $180,000 |
| Second-story addition (partial) | $220,000 – $350,000 |
| Single-room addition (no bath) | $80,000 – $110,000 |
| Single-room addition (with bath) | $110,000 – $140,000 |
Prices in Ladera Heights move on three things: whether your lot is flat or sloped, how far the new unit sits from the main sewer line, and whether an HOA requires upgraded exterior finishes. Your written quote from Benson ADU Builders locks the number before work starts, and the 365-Day Done Right Promise stays in effect for a full year after we finish.
Neighborhoods We Serve in Ladera Heights
We build across all of Ladera Heights, from the quiet streets north of Slauson to the hillside lots near the eastern edge. Our crews are in the area every week, and a site visit is usually scheduled within a few business days of your call.
- North Ladera Heights
- Slauson corridor
- Wooster Avenue area
- East Ladera Heights
- La Cienega Heights
Service Area – Cities Near Ladera Heights
Benson ADU Builders coordinates Ladera Heights scheduling from our Los Angeles office, with crews dispatched locally. If you are considering an ADU or addition in a neighboring city, our team also serves Los Angeles, CA, Long Beach, CA, Anaheim, CA, and Riverside, CA.
Serving Ladera Heights, CA - Our Local Coverage Area
We’re based in the Ladera Heights 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 Ladera Heights

Site visits in Ladera Heights are typically scheduled within a few business days. Permit review time is not in our control, but we prepare drawings that meet the city’s drainage and setback standards before submission, which reduces the back-and-forth. Call (903) 568-7222 for a free site review.
Yes, some Ladera Heights HOAs enforce architectural review on exterior finishes and rooflines. We check your HOA’s CC&Rs before we finalize drawings, and we will not submit a design that conflicts with them. That saves you an appeal cycle and a redesign fee.
Yes. Benson ADU Builders pulls the permits, schedules inspections, and handles the close-out documentation. You receive a written price before work starts and a written guarantee that covers all workmanship for 365 days after completion.
If you are still weighing a detached ADU, a garage conversion, a home addition, or a room addition in Ladera Heights, call (903) 568-7222 for a free estimate. A live person answers, and you will get a written price before any work begins.
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 Ladera Heights 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.



