A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Red Oak, TX
An ADU, or accessory dwelling unit, is a small self-contained home built on the same lot as your main house. In Red Oak, that usually means a detached backyard cottage, a garage conversion, or an addition with its own kitchen and entrance. We’re Lodgewick ADU Builders, part of the Kingswell family of home-service companies. Our Red Oak jobs come down to three things older North Texas homes share: pier-and-beam or slab foundations that need a close look, clay soil that shifts with every wet-dry cycle, and summer heat that punishes cheap insulation. If you’re considering extra living space, call (361) 204-4652 and we’ll give you a written price before any work starts.
Why Red Oak Homes Are Different
Red Oak sits in northern Ellis County, on the south side of the Dallas-Fort Worth sprawl but still mostly rural in character. That split defines the work. Many lots are larger than you’d find closer in, which gives ADU placement real flexibility, but you’ll also run into septic systems instead of city sewer on some properties, and that changes where a detached unit can sit. The soil here is blackland prairie clay. It expands hard after rain and contracts during dry stretches, so we compact and prepare any ADU pad with that movement in mind from day one rather than treating it as an afterthought. Homes in Red Oak span a wide range: 1970s and 1980s brick ranches near the center of town, newer subdivisions off Ovilla Road, and acreage properties further out. Each one needs a different foundation approach, and we figure that out during the estimate, not after we start digging.
Permitting goes through the City of Red Oak, and like most Ellis County municipalities, the review process rewards a clean set of drawings. Our team handles that paperwork for you. The other thing worth knowing: summer temperatures regularly cross 100 degrees here, and a poorly insulated ADU becomes an oven by late afternoon. We spec insulation and window placement for this climate specifically, because a unit that looks fine in March can fail in August.
Our Main Red Oak Services
Most Red Oak homeowners come to us with one of three goals: add square footage onto the existing house, turn an underused garage into living space, or build a fully separate ADU in the backyard. Here’s what each one looks like here.
Home Addition Contractor in Red Oak
A home addition in Red Oak means extending the roofline, matching new brick or siding to what’s already there, and tying into an existing foundation that may have settled for decades in clay soil. We see a lot of primary-suite additions and extended family rooms on the larger lots around town. The trick is making the transition between old and new seamless enough that you can’t tell where one ends and the other begins, while keeping the new foundation from pulling away during a dry summer. Home Addition Contractor in Red Oak covers that process in detail.
Garage Conversion Contractor in Red Oak
Converting a garage in Red Oak is usually the fastest path to a rental unit or a private space for aging parents. The structure already exists, which means the budget goes into insulation, plumbing, electrical, and flooring instead of new framing. What surprises most homeowners is how much Texas heat gets trapped in an attached garage, so we address air sealing and AC sizing early in the conversation. Older Red Oak garages also tend to sit below the main floor elevation, which matters for step-downs and drainage. Garage Conversion Contractor in Red Oak explains the full scope.
ADU Builders in Red Oak
A detached ADU in Red Oak is a new build from the ground up: pad preparation, framing, utilities, and a full interior. On the acreage lots outside town, we often see ADUs used as multigenerational housing, while in the newer subdivisions they’re more likely to be income properties or home offices. Either way, the foundation prep matters most here because of the clay. We also work with prefab ADU manufacturers when a faster build timeline makes sense. ADU Builders in Red Oak walks through the decision between site-built and prefab.
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 Red Oak
We install and finish ADUs from Plant Prefab and Tuff Shed, and we rely on James Hardie siding for exteriors that hold up to North Texas sun and storms. Our brands page explains the full lineup and why we match specific manufacturers to specific lots rather than pushing one product everywhere.
Pricing for ADU Company in Red Oak, TX
| Service | Typical range in Red Oak |
|---|---|
| Detached ADU (site-built, full utilities) | $180,000 – $320,000 |
| Detached ADU (prefab, installed and finished) | $120,000 – $240,000 |
| Garage conversion to full ADU | $80,000 – $150,000 |
| Attached ADU (addition with separate entrance) | $110,000 – $200,000 |
| Home addition (primary suite) | $70,000 – $130,000 |
| Home addition (family room or extended living) | $55,000 – $110,000 |
| Foundation repair or leveling before ADU work | $4,000 – $12,000 |
| Site preparation and pad work | $5,000 – $15,000 |
What moves these numbers in Red Oak is mostly lot condition: septic relocations on acreage, tree removal, long utility runs from the street, and extra pier depth when soil tests show heavy clay movement. You’ll get your exact price in writing before we start, and that written price does not change at the door.
Neighborhoods We Serve in Red Oak
We work throughout Red Oak and the surrounding Ellis County pockets, from the older streets near the historic downtown to the newer developments going up along the 342 corridor. Our crews are local to the area, which keeps scheduling predictable.
- Red Oak Meadows
- Glenn Heights border area
- East Red Oak near Ovilla Road
- Acreage properties off Farm-to-Market 664
- Subdivisions along Red Oak Creek
Service Area – Cities Near Red Oak
From our DFW-area dispatch, we also schedule ADU and addition work in Cedar Hill, TX, Duncanville, TX, Balch Springs, TX, and Dallas, TX. A live person answers our phones around the clock, so you’re not trading voicemails when you need an answer.
Serving Red Oak, TX - Our Local Coverage Area
We’re based in the Red Oak 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 Red Oak
Most Red Oak ADUs run 3 to 7 months from first consultation to final inspection. Detached site-built units take the longest because of foundation work and utility trenching on clay soil. Garage conversions are typically faster because the shell already exists. We give you a written timeline with your written price, so you know both before work begins. Call (361) 204-4652 for a schedule specific to your lot.
Yes. We prepare and submit permit drawings to the City of Red Oak and coordinate any HOA architectural review your neighborhood requires. Most Red Oak subdivisions with HOAs want elevation drawings and site plans, and we’ve gone through that process enough times to know what gets flagged. The permit work is included in your project scope, not billed as a surprise add-on.
That’s how every project starts. We come to your Red Oak property, walk the lot, look at the existing foundation and utility access, and then give you a written line-item price. No pressure to sign that day. If the estimate turns up a soil or septic issue, we’ll tell you during the visit, not after the contract is signed. Call (361) 204-4652 and we’ll schedule the visit.
Ready for a written price on an ADU, garage conversion, or home addition in Red Oak? Call (361) 204-4652 for a free estimate, and we’ll walk you through what’s possible on your lot.
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 Red Oak Customers Say
"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"Solid build on a home addition. The permit stage dragged, which held things up a few weeks. They were upfront it was out of their hands and the construction itself moved fast and clean."
- Douglas Fenwick
