







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in River Oaks, TX
River Oaks homeowners call us when they need an ADU, home addition, or room addition on a lot that was built out decades ago. Most homes here are 1950s to 1970s ranch and mid-century builds on generous lots, which sounds ideal for adding square footage until you factor in aging slab foundations, outdated electrical panels, and the West Fork Trinity floodplain. We handle that reality every week. If you’re weighing an ADU in River Oaks, call (682) 204-9686 for a written price and a straight answer on what your property can actually support.
Why River Oaks Homes Are Different

River Oaks has almost no land left for traditional new construction, so ADUs are the only realistic way to add density without rewriting the city’s treasured suburban character. That’s not marketing spin. Drive any street and you’ll see it: fully built-out blocks, single-family ranch and mid-century homes from the 1950s through the 1970s, and very few empty lots. A detached ADU in the backyard or a garage conversion becomes the practical path to more living space or rental income.
Those same vintage homes bring complications. Many sit on slab foundations that have shifted over 50 or 60 Texas summers. Electrical panels are often original, rated for far less than a modern ADU with a mini-split, EV charger, or electric range. And the occasional severe storm or flood event along the West Fork Trinity means floodplain-aware foundation design matters, even on lots that have never flooded. Any ADU plan in River Oaks has to account for drainage, elevation, and the condition of what’s already underground.
One more River Oaks specific: most ADU permits here are for garage conversions. Local contractors know to check for the original 1970s-era cast iron waste lines that often crack during excavation. We flag that early, before it becomes a five-figure surprise after demo starts.
Our Main River Oaks Services
Three jobs dominate the calls we get from River Oaks homeowners: full ADU builds, larger home additions, and single room additions. Each has its own page here, because the permitting, pricing, and site work are different enough to matter.
ADU Builders in River Oaks
A detached or attached ADU in River Oaks is the most common way to add a rental unit, a space for aging parents, or a quiet home office. We build both site-built and prefab ADUs, and we’ll walk you through brands like Dvele and Boxabl so you can compare construction timelines and finishes before committing. Foundation work on these 1950s-era lots usually means slab inspection and sometimes pier work, especially where drainage has been an issue. For a full breakdown of ADU costs and process in River Oaks, see ADU Builders in River Oaks.

Home Addition Contractor in River Oaks
A home addition in River Oaks means more than adding a room. You’re tying new framing, roofing, and HVAC into a structure built 50 to 70 years ago, and the existing electrical panel often cannot carry the new load without an upgrade. We handle that as part of the written price, not as a change order later. River Oaks lots are big enough for real additions, but setback rules and floodplain boundaries on the west side of town shape the design. Full details are on our Home Addition Contractor in River Oaks page.

Room Addition Contractor in River Oaks
A single room addition, whether it’s a bedroom, bathroom, or expanded kitchen, is the most budget-friendly way to buy more space without moving. In River Oaks, we frequently see original cast iron waste lines under slab, so any plumbing-touching room addition starts with a camera inspection of what’s below the floor. It’s a small upfront cost that prevents a cracked pipe from turning a six-week job into a three-month one. For scope and pricing specifics, visit Room Addition Contractor in River Oaks.

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 River Oaks
We’re authorized to build with and source from some of the most researched prefab and materials brands in the country: Cover, Dvele, Mighty Buildings, and Boxabl, among others. River Oaks homeowners often want to verify a brand’s reputation before signing, and we encourage that. See our brands for the full lineup and what each offers on a River Oaks lot.
Pricing for ADU Company in River Oaks, TX
| Service | Typical range in River Oaks |
|---|---|
| Detached prefab ADU (studio, 400 – 500 sq ft) | $120,000 – $185,000 |
| Detached prefab ADU (one-bedroom, 550 – 750 sq ft) | $155,000 – $240,000 |
| Site-built detached ADU (studio, 400 – 500 sq ft) | $165,000 – $225,000 |
| Site-built detached ADU (one-bedroom, 550 – 750 sq ft) | $190,000 – $280,000 |
| Garage conversion to ADU (finished, 400 – 600 sq ft) | $80,000 – $140,000 |
| Attached JADU (converted interior space, 300 – 500 sq ft) | $70,000 – $110,000 |
| Home addition (ground-floor, 400 – 700 sq ft) | $95,000 – $175,000 |
| Primary suite addition (300 – 500 sq ft) | $75,000 – $135,000 |
| Room addition (single room, 150 – 300 sq ft) | $45,000 – $85,000 |
| Electrical panel upgrade (200A, required on many 1950s – 70s River Oaks homes) | $2,800 – $4,500 |
| Slab foundation repair or pier work (when required before build) | $4,000 – $15,000+ |
What pushes pricing up in River Oaks more than anything else is the condition of the original slab and the age of the electrical panel. A 1960s ranch that has never had a panel upgrade will almost always need one before an ADU gets final sign-off, and that’s a line item we include in your written price up front, not a surprise after the walls are open. You get a fixed, written number before any work starts, and it doesn’t move unless you change the scope.
Neighborhoods We Serve in River Oaks
We work across River Oaks, including the established blocks east of Roberts Cut Off Road, the Castleberry area near the eastern edge, and the streets west toward the West Fork Trinity. Crews are dispatched and scheduled from our Dallas-Fort Worth office, and most River Oaks estimates are scheduled within a few business days.
- Castleberry area
- Roberts Cut Off Road corridor
- West Fork Trinity side streets
- Ohio Garden Road area
- Northern River Oaks neighborhoods off Meandering Road
Service Area – Cities Near River Oaks
Beyond River Oaks, our crews regularly take on ADU and addition projects in Fort Worth, TX, Haltom City, TX, Euless, TX, and Burleson, TX. If your project sits just outside River Oaks, call us and we’ll confirm coverage and scheduling for your specific street.
Serving River Oaks, TX - Our Local Coverage Area
We’re based in the River Oaks 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 River Oaks

Once you approve a written price and sign a contract, most River Oaks projects are scheduled within a few weeks, not months. The exact start date depends on permit processing, material availability for your chosen brand, and any required site work like foundation inspection or panel upgrades. Call (682) 204-9686 and we’ll give you a realistic timeline for your specific lot.
We pull all building permits and manage the inspections. If your River Oaks neighborhood has an HOA or architectural review, we prepare the drawings and documentation they typically request. Every estimate includes the permit scope in writing, so you know exactly what you’re paying for before a shovel turns.
We serve all of River Oaks plus surrounding Tarrant County cities including Fort Worth, Haltom City, Euless, and Burleson. Scheduling is coordinated from our Dallas-Fort Worth office, and background-checked, uniformed technicians show up on every River Oaks job. Call (682) 204-9686 to confirm your address is in our service area.
Ready to price your River Oaks ADU or addition? Call Benson ADU Fort Worth at (682) 204-9686 for a written, line-item estimate. Troy Eastman and our team will walk you through the options, name the brands that fit your budget, and put the full price in writing before you commit to anything.
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 River Oaks Customers Say
"Plumbing and electrical passed on the first inspection."
- Alan B."Garage conversion into a guest suite. I could see the permit status in the app, which made it painless."
- Rick F."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.




