







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateFast, Reliable Home Addition Contractor Across River Oaks
Adding square footage to a home in River Oaks usually costs between $85,000 and $240,000 depending on scope, and the single biggest factor is whether your existing slab and electrical panel can handle the load without a major upgrade. We know River Oaks homes, the 1950s-to-70s ranch stock, the cast iron waste lines under the slabs, and the HOA boards that want every addition to match the original roofline. Call (682) 204-9686 and we’ll give you a written price before any work starts, no verbal estimate that shifts later.
What makes a home addition in River Oaks different from Fort Worth or Haltom City? The lots here are generous, but the homes sit on aging infrastructure. That changes how we plan a bedroom addition or sunroom. Our Home Addition Contractor team designs around your existing foundation and panel first, then builds. Since 2006, we’ve been part of the Relay Home Co. family and every project carries The Relay Visibility Guarantee: a written price before work starts, real-time tracking, and a 365-Day Done Right Promise.
Why Benson ADU Fort Worth Is River Oaks’s Preferred Home Addition Contractor Company

River Oaks homeowners tell us the same thing over and over: they called three contractors, got three verbal numbers, and none of them mentioned the cast iron waste lines under the slab until excavation day. We don’t work that way. Led by Troy Eastman, our crew walks the property, checks the panel, reviews the HOA requirements, and then hands you a written line-item price. No surprises at the door.
We’re dispatched from our Dallas-Fort Worth office, and our crews serve River Oaks directly. Every technician is background-checked and arrives in uniform, so you always know exactly who is walking onto your property. The live phone line is answered by a person around the clock, every day of the year. When you call (682) 204-9686, you get a human, not a voicemail loop.
Our 365-Day Done Right Promise is stamped on every contract in writing. If the work isn’t right within a full year, we make it right. You also get a free second visit if any covered repair fails. That’s the standard we hold ourselves to in River Oaks, whether the job is a bedroom addition off Roberts Cut Off Road or a sunroom near the West Fork Trinity River.
Bedroom Addition Contractor in River Oaks
A bedroom addition in River Oaks typically runs $95,000 to $180,000, including the foundation, framing, electrical, drywall, and finishes. Most of the homes we work on here are 1950s – 70s ranch builds on slab foundations, which means the new bedroom ties directly into the existing slab and roofline rather than sitting on a crawlspace. That’s actually an advantage for cost control, but it means we have to map the original plumbing before we cut concrete.
Slab Ties and Panel Loads
The big variable in River Oaks is the electrical panel. Homes built in the 1960s and 70s often have 100-amp panels that can’t carry the load of a new bedroom, a ceiling fan, and a window unit. If your panel is original, we’ll include the upgrade in the written price up front, so the breakers aren’t tripping on day one.
Working With the Original Roofline
River Oaks HOAs are strict about additions matching the original ranch profile. That means matching the brick veneer color, the roof pitch, and even the window mullions. We submit plans that get approved the first time, then build to spec. No stop-work orders, no re-submissions dragging the project out.
Sunroom Addition in River Oaks

A sunroom addition in River Oaks with an insulated frame and proper HVAC tie-in costs between $55,000 and $115,000. A three-season room without climate control starts lower, around $40,000, but if you plan to use the room during a Texas summer, you’ll want the insulation and cooling design included from the start. River Oaks gets hot, dry summers, and a poorly insulated sunroom turns into a greenhouse by July.
Cooling and Flood Awareness
We engineer sunroom additions in River Oaks with cooling loads calculated for local summer temperatures, including Low-E glass and proper roof venting. Homes near the West Fork Trinity River also need floodplain-aware foundation details even if you’re not in the mapped flood zone. We check the FEMA panel and the city’s drainage requirements before we pour.
HOA Approval Details
Sunrooms get rejected most often because the roof pitch doesn’t match the existing ranch home or the window style clashes with the original mullions. We’ve coordinated with River Oaks HOAs to match brick, roofline, and window details so the addition looks like it was always there. Getting that right the first time saves you weeks of delays.
Trusted Brands We Service in River Oaks
Benson ADU Fort Worth is authorized to build with Dvele, Mighty Buildings, and Plant Prefab, which means you can choose a prefab panel system that arrives pre-engineered rather than waiting for site-built framing. We keep common components stocked through our Dallas-Fort Worth supply network, so River Oaks homeowners aren’t waiting weeks for a panel or a window unit to arrive on a truck. The benefit is speed and predictability: a prefab addition can cut framing time significantly compared to stick-built work on site, and you can research these brands independently before you ever sign a contract.
Common Home Addition Contractor Problems We See in River Oaks Homes
- Cracked cast iron waste lines during excavation. River Oaks homes from the 1950s – 70s often still have original cast iron waste lines under the slab, and a backhoe that hits one turns a simple addition into a sewage cleanup. We camera the line before we cut concrete and reroute before we pour.
- Overloaded 100-amp electrical panels. A new bedroom or sunroom on an original panel trips breakers constantly, especially if you’re adding a window AC or a home office setup. We include panel upgrades in the written price when needed, not as a surprise change order.
- HOA stop-work orders. River Oaks HOAs reject additions when the roofline, brick color, or window mullions don’t match the original ranch build. We’ve handled enough of these submissions to get them through on the first pass.
- Slab foundation surprises. Aging slabs in River Oaks often have settling or hairline cracks that a contractor only discovers after demolition. We inspect the foundation as part of our written estimate so your price reflects real site conditions from day one.
Pricing for Home Addition Contractor in River Oaks, TX
Here’s what we quote for common River Oaks additions: a bedroom addition runs $95,000 – $180,000, a sunroom addition runs $55,000 – $115,000, a bathroom addition runs $60,000 – $140,000, and a bump-out addition starts around $45,000. What moves the price? The panel upgrade, the condition of the slab, whether the HOA requires specific exterior materials, and whether we’re working around original cast iron waste lines. Every one of our prices is written and line-itemed before work starts. Call (682) 204-9686 for a free estimate and you’ll get a written price, not a vague range.
We Also Serve Cities Near River Oaks
Benson ADU Fort Worth handles home additions in River Oaks and the surrounding metro, including River Oaks proper plus Fort Worth, Haltom City, Euless, and Burleson. If you’re just outside River Oaks and need a bedroom or sunroom addition, call (682) 204-9686 and we’ll schedule a free estimate at your property.
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 Home Addition Contractor in River Oaks
Yes, in most cases a bedroom addition will require upgrading a 100-amp panel to a 200-amp panel, and that adds roughly $3,000 – $5,000 to the total project cost. River Oaks homes from the 1960s and 70s were built when a typical home drew far less power than a modern addition with HVAC, outlets, and lighting demands. We’ll include the panel upgrade in your written price before work starts, so it’s never a surprise change order. Call (682) 204-9686 and we’ll check your current panel during the free estimate.
River Oaks HOAs will approve a sunroom addition if the roof pitch, brick or siding color, and window mullions match the original home, and the most common rejection is a roof line that doesn’t match the existing ranch profile. Some HOAs also require the sunroom windows to match the original single-hung or double-hung style, and they’ll reject a plan that uses a different window type. We’ve worked with River Oaks HOAs to submit plans that pass on the first review, which saves you 2 – 4 weeks of back-and-forth. Call (682) 204-9686 for a free estimate, and we’ll check your HOA’s architectural guidelines as part of the planning.
Because River Oaks has almost no undeveloped land left, so converting an existing carport or garage into conditioned square footage is often the only way to add a bedroom or living space without a full teardown. These conversions also tend to cost less, typically $70,000 – $130,000, since the structure is already there. The catch is that many of these projects expose original cast iron waste lines under the slab, which we camera before we cut concrete. Call (682) 204-9686 and we’ll walk you through whether your garage is a good conversion candidate.
No, if your home is outside the mapped floodplain you typically don’t need flood-specific engineering, but you should still verify your lot’s drainage and slab elevation before adding a sunroom. River Oaks’s occasional severe storms and flood events along the West Fork mean that even homes outside the FEMA flood zone can see water pooling during heavy rain. We check your slab elevation and existing drainage as part of our written estimate. Call (682) 204-9686 for a free site review.
Yes, you can add to a home under builder warranty, but you must use a licensed contractor and avoid any work that alters the structural framing, roof load, or foundation in a way the builder could argue caused a future warranty claim. We handle this in River Oaks by reviewing your builder’s warranty terms before we start and keeping the addition’s structural ties separate and documented. That protects your warranty on the original build. Call (682) 204-9686 and bring us your warranty paperwork at the free estimate.
Written by Troy Eastman, Owner at Benson ADU Fort Worth, serving River Oaks and the DFW metro since 2006.



