







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Rowlett, TX
An accessory dwelling unit, or ADU, is a smaller standalone home built on the same lot as your main house, and it is one of the smartest ways to add livable square footage in Rowlett. Whether you are thinking about a backyard cottage for aging parents, a rental unit, or a detached home office, getting the numbers in writing before any work starts is what separates a smooth build from a stressful one. Our crews handle ADU builds, garage conversions, and home additions across Rowlett, and every project starts with a written price, a defined arrival window, and The Kingswell Guarantee on paper. If you want to talk through your lot and your budget, call us at (361) 204-4652.
Why Rowlett Homes Are Different

Rowlett sits on the eastern shore of Lake Ray Hubbard, and that lake proximity shapes a lot of what we see on ADU and addition jobs. Homes in neighborhoods like Waterview, Springfield, and Lakeside are a mix of 1970s and 1980s ranches, 1990s two-stories, and newer builds east of Dalrock Road. Many lots slope gently toward the lake or toward the various creeks that feed it, which means slab and foundation work often needs more attention than a flat Dallas-area lot would. Clay soil is a constant in this part of North Texas, and it expands and contracts with rainfall, so ADU foundations and room additions in Rowlett regularly call for piers or beams that account for that movement.
Hot, humid summers also change the way we think about insulation and cooling. A detached ADU in Rowlett needs its own HVAC plan from day one, not as an afterthought. Homeowners here also deal with the City of Rowlett’s permitting process, which requires setbacks, utility tie-in approvals, and, in some neighborhoods with an HOA, an additional design review before anything gets built. We handle that paperwork as part of the job, but it helps to know up front that Rowlett HOAs around Waterview and certain lakefront streets can be stricter about exterior finishes and roof lines than the city itself.
Our Main Rowlett Services
Rowlett homeowners usually call us for one of three things: more room attached to the existing house, more room inside an existing footprint, or a fully separate unit out back. Each of those has its own page with local detail, pricing, and what the timeline looks like in Rowlett.
Home Addition Contractor in Rowlett
A home addition in Rowlett means building onto the existing structure, usually a first-floor master suite, a second-story bump, or an extended living room. Because so many Rowlett homes sit on sloped lots near Lake Ray Hubbard, a big part of the job is getting the foundation tie-in right so the new section does not settle differently than the old one. We also work around the existing roofline, which is often more complex on 1980s and 1990s two-stories than on newer builds. You can see full pricing and what happens during an addition here: Home Addition Contractor in Rowlett.

Garage Conversion Contractor in Rowlett
Converting a garage into a bedroom, suite, or rental studio is one of the quickest ways to gain square footage in Rowlett without changing your home’s footprint. Many Rowlett garages from the 1970s and 1980s were built on thinner slabs than the main house, so floor leveling and moisture barriers are part of nearly every conversion. We also upgrade insulation and run independent HVAC lines, because a garage conversion that shares the main system tends to run hot in a Rowlett August. Details are here: Garage Conversion Contractor in Rowlett.

ADU Builders in Rowlett
A detached ADU in Rowlett is a full small house: foundation, framing, plumbing, electrical, and a separate meter. Lot size and setback rules matter here, especially on older lakeside properties where the buildable area can be narrower than homeowners expect. We are a specialist ADU builder, which means we know Rowlett’s utility tie-in requirements and can tell you early whether your lot fits a prefab unit from a company like Plant Prefab or whether a site-built ADU makes more sense. The full breakdown lives here: ADU Builders in Rowlett.

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 Rowlett
We install and finish ADUs built by Plant Prefab and Abodu, plus we use James Hardie siding and Tuff Shed structures on many Rowlett projects. Our local supply relationships mean we are not waiting on long-lead parts for these systems, which keeps Rowlett builds moving. Learn more about the lines we carry on our brands page.
Pricing for ADU Company in Rowlett, TX
| Service | Typical range in Rowlett |
|---|---|
| Detached ADU, site-built (studio to 1-bed) | $120,000 – $210,000 |
| Detached ADU, prefab (Plant Prefab, Abodu, or similar) | $140,000 – $230,000 |
| Garage conversion to studio suite | $70,000 – $110,000 |
| Garage conversion to 1-bed ADU | $95,000 – $145,000 |
| Home addition, single room bump-out | $80,000 – $130,000 |
| Home addition, full master suite | $110,000 – $185,000 |
| Foundation and slab work (varies by soil and slope) | $12,000 – $30,000 |
| Separate utility meter for ADU | $3,000 – $7,000 |
| Permit and plan sets for Rowlett | $3,500 – $8,500 |
What pushes a Rowlett ADU or addition price up is usually the lot: more slope near Lake Ray Hubbard means more piers and more concrete, and clay soil sometimes requires over-excavation. What will not change the price is a surprise at the door, because every Lodgewick project gets a written price before any work begins, no exceptions.
Neighborhoods We Serve in Rowlett

We work across the whole city, and our scheduling is set up so a Rowlett crew is typically on site within a week of your written estimate being approved. The neighborhoods we are in most often include:
- Waterview
- Springfield
- Lakeside
- Dalrock Heights
- Castle Glen
If your Rowlett neighborhood is not listed, that just means we have not been out there this month. Call us and we will put it on the board.
Service Area – Cities Near Rowlett
Beyond Rowlett, our crews take on ADU, garage conversion, and home addition projects in the surrounding North Texas cities. We regularly work in Garland, TX, Richardson, TX, Balch Springs, TX, and Plano, TX. Same written price and same guarantee, wherever the lot is.
Serving Rowlett, TX - Our Local Coverage Area
We’re based in the Rowlett 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 Rowlett

Yes. We prepare the plan sets, submit to the City of Rowlett, and manage the HOA design review where one applies. You will know the permit path and the timeline before you sign anything, and the cost of the permit set is listed in your written price.
Most Rowlett projects start within two to three weeks of the signed estimate, depending on permit turnaround and HOA review. Prefab units from Plant Prefab or Abodu can sometimes start site work sooner because the structure is built off site while Rowlett permits are processing. Call (361) 204-4652 for a current schedule.
Yes. The Kingswell Guarantee states a written price before work begins, and that price does not change at the door or mid-project unless you ask for a change order in writing. If the work fails within 365 days, we come back and make it right, also in writing, at no charge.
We are Lodgewick ADU Builders, part of the Kingswell family of home-service companies, and Rowlett is our home market. Russ Delmar leads the team, and every Rowlett build goes through him before the first board is cut. If you are ready to talk numbers on an ADU, garage conversion, or home addition, call (361) 204-4652 and ask for a free, written estimate.
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 Rowlett Customers Say
"Added a bedroom and bath for our growing family. Honest from day one about what was possible and what it would cost. Showed up when they said and the work has held up great."
- Troy Benavidez"I was nervous about adding on but they walked me through every step and every cost before we started. No surprise change orders halfway through like I'd heard horror stories about."
- Eleanor Pratt"Garage conversion into an office and guest room. Fair written price, finished close to on schedule, and they fixed a small drywall crack under warranty months later without any hassle."
- Diana Cho




