







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Deer Park, TX
An ADU company in Deer Park, TX handles accessory dwelling units, garage conversions, and home additions on lots where the payoff is real: extra square footage without buying a new house. Deer Park’s housing stock runs older, the summers are brutal on building materials, and lot shapes vary enough that a one-size-fits-all plan fails fast. We’re Lodgewick ADU Houston, and we put a written price in your hand before any work starts. Call (361) 326-2313 to talk through your lot.
Why Deer Park Homes Are Different

Deer Park’s housing stock skews mid-century: brick ranch homes on generous lots, many of them built in the 1950s and 1960s when the petrochemical corridor was expanding and families needed housing close to plants. Those lots are deceptively generous. A 60-foot-wide lot with a rear garage often has more usable side yard than homeowners realize – which is where a detached ADU (accessory dwelling unit, a small standalone house on your property) can fit without touching the existing footprint.
Climate shapes every decision. Deer Park gets Gulf Coast heat and humidity from May through September, plus the occasional tropical storm push. Exterior materials that work fine in drier climates can warp or swell here if they aren’t specified for coastal humidity. We factor that into trim choices, sheathing, and paint. Drainage runs from the north side of town toward the bay, and plenty of older homes sit low enough that a garage conversion needs attention to slab slope before framing starts.
Permitting runs through the City of Deer Park’s building services office. What catches people off guard is the inspection scheduling rhythm – plan for it and the build stays on track; ignore it and you wait. We pull permits on every project and don’t hand you a change order because we missed a fee.
Our Main Deer Park Services
Deer Park homeowners call us most about three things: adding a bedroom suite or living space, converting a garage into livable square footage, and building a standalone ADU in the backyard. Each service has its own Deer Park page with full pricing, the process, and local specifics.
Home Addition Contractor in Deer Park
A home addition in Deer Park is a different job than one in a newer master-planned community. Older slabs often need leveling before we tie in, and rooflines on 1960s ranch homes don’t always line up cleanly with modern truss systems. We handle the structural tie-in, the foundation work, the new HVAC runs, and the finish work, and we write the full scope into the contract. Permits come from the City of Deer Park, and we pull every one. See the full breakdown on our Home Addition Contractor in Deer Park page.

Garage Conversion Contractor in Deer Park
Converting a garage in Deer Park means turning a space that was never conditioned into a room that holds temperature and passes code. We raise the slab edge, insulate to current energy standards, add a mini-split or tie into the existing HVAC, and handle the driveway re-slope so rainwater doesn’t pool at the new wall. Deer Park’s humid summers make the insulation and vapor barrier work the difference between a comfortable room and a mold trap. Read the full scope on our Garage Conversion Contractor in Deer Park page.

ADU Builders in Deer Park
Detached ADUs in Deer Park work well on the deeper lots south of Spencer Highway, where a 600 to 800 square foot unit can sit behind the main house and still leave a usable yard. We handle everything from foundation and utilities to drywall and trim, and we pull the same permits a full home build requires. Prefab shells from manufacturers like Dvele and Boxabl cut site time significantly when the lot access allows a crane or flatbed. Details, pricing, and lot reviews live on our ADU Builders in Deer Park page.

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 Deer Park
We work with prefab ADU manufacturers including Dvele, Boxabl, and Mighty Buildings. Most panels and modules are ordered from the manufacturer and delivered to the Deer Park jobsite, while trim, fasteners, and sealants come from local suppliers in the Houston metro. Lead times run four to twelve weeks depending on the manufacturer. See our brands for what we recommend by lot size and budget.
Pricing for ADU Company in Deer Park, TX
| Service | Typical range in Deer Park |
|---|---|
| Detached ADU (400 – 600 sq ft, site-built) | $120,000 – $180,000 |
| Detached ADU (601 – 800 sq ft, site-built) | $180,000 – $260,000 |
| Detached ADU (prefab shell, 400 – 600 sq ft) | $90,000 – $150,000 |
| Garage conversion (single-car, ~250 sq ft) | $60,000 – $90,000 |
| Garage conversion (two-car, ~400 sq ft) | $90,000 – $140,000 |
| Primary suite addition (300 – 400 sq ft) | $90,000 – $140,000 |
| Family room addition (300 – 500 sq ft) | $90,000 – $165,000 |
| Second-story addition (400 – 600 sq ft above existing) | $150,000 – $240,000 |
| Interior remodel of existing space (per 100 sq ft) | $15,000 – $30,000 |
| Detached home office pod (150 – 250 sq ft) | $50,000 – $85,000 |
Deer Park prices get pushed up by slab leveling on older foundations, drainage re-route work, and the cost of coastal-rated materials. Every project starts with a written price, fixed before work begins – no price changes at the door. Call (361) 326-2313 and we’ll put the number in writing.
Neighborhoods We Serve in Deer Park
We work across Deer Park, from the older streets near Center Street up to the subdivisions north of Spencer Highway and the neighborhoods around the high school. Response time for an estimate visit in Deer Park is typically one to three business days.
- College Park
- Deer Park Gardens
- Dowell Park
- Old Deer Park
- Ridgecrest
Service Area – Cities Near Deer Park
Our Deer Park crews also cover surrounding cities along the Houston Ship Channel and Galveston Bay corridor. If you’re in Pasadena, TX, Channelview, TX, Galena Park, TX, or Seabrook, TX, we can schedule an estimate and handle the full build under the same written guarantee.
Serving Deer Park, TX - Our Local Coverage Area
We’re based in the Deer Park 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 Deer Park

Yes. We pull every permit the City of Deer Park requires and schedule all inspections. You don’t chase paperwork, and you don’t find out about a fee we forgot to quote. The permit line item is in the written price from the start. Call (361) 326-2313 to get your lot reviewed.
Most garage conversions run six to twelve weeks from start to finish. A site-built detached ADU typically runs four to six months. Prefab shells from manufacturers like Dvele or Boxabl can shave a month or more off the site-built timeline. We’ll give you a written schedule with the price, and the 365-Day Done Right Promise means we stand behind the work after it’s done.
After the estimate and contract are signed, we schedule the start date based on permit approval and the last job’s finish. You get a defined arrival window before work begins – one of the commitments in The Kingswell Guarantee. Call (361) 326-2313 and we’ll walk through the current timeline for your scope of work.
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 Deer Park Customers Say
"The ADU came out beautiful and the permitting, which terrified me, was handled start to finish. They kept me updated every week so I was never wondering what was happening."
- Shauna Mills"Added a suite for my dad. They walked us through every cost before a hammer swung and stuck to it. The written price is what we paid, no change orders."
- Ingrid Salazar"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



