







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Dickinson, TX
An ADU (accessory dwelling unit) is a second, smaller home built on the same lot as your main house, and in Dickinson that usually means a detached backyard unit, a garage conversion, or an addition that works as its own living space. Dickinson’s mix of older ranch-style homes on generous lots, newer subdivisions, and humid Gulf Coast weather shapes nearly every decision on these builds. We’re the ADU company of the Kingswell family, and every Dickinson project runs on The Kingswell Guarantee: a written price before work starts, a real arrival window, a clean job site, and a written guarantee on the finished build. Call (361) 326-2313 to talk through your lot and get a ballpark number without leaving your kitchen.
Why Dickinson Homes Are Different

Dickinson sits a few miles inland from Galveston Bay, and that geography shows up in the housing stock and in the build requirements. Many homes here were built between the 1960s and 1990s, which means slab-on-grade foundations, pier-and-beam in some of the older pockets, and lot sizes that can actually fit a detached ADU without a variance. The soil shifts with the wet-dry cycle, so foundation and drainage work matters more here than it does in drier parts of Texas.
Flood zone rules are a real factor. Dickinson took heavy water during Hurricane Harvey, and the city’s permitting office expects ADU plans to account for finished floor elevation and drainage. A backyard unit in a flood-prone pocket of town may need to be built higher than you’d expect, and that changes the foundation budget. We handle that in the written price instead of springing it on you mid-build.
Homeowner associations are scattered across Dickinson, especially in neighborhoods like Bay Colony and some of the communities along FM 517 and FM 646. HOA covenants can limit ADU placement, setback, or even exterior materials, and we pull those documents before quoting so the number we put in writing reflects what’s actually allowed on your lot.
Our Main Dickinson Services
Most Dickinson homeowners call us for one of three things: a garage conversion that turns dead space into a rentable or family-ready unit, a home addition that keeps everyone under one roof, or a detached ADU built from the ground up. Each has its own dedicated Dickinson page with local pricing and specifics.
Home Addition Contractor in Dickinson
A Dickinson home addition often means adding a primary suite, a second living area, or an in-law wing to a house that’s outgrown its original footprint. The humid climate makes sealing and insulation choices different than what you’d see in drier parts of Texas: we frame and flash for humidity cycles, not just temperature. Permitting in Dickinson moves at a predictable pace when the plans are right the first time, and that’s part of what we handle. Home Addition Contractor in Dickinson has the full breakdown of options, timelines, and what an addition costs here.

Garage Conversion Contractor in Dickinson
Converting an attached or detached garage in Dickinson is usually the fastest way to add a legal one-bedroom unit without changing the home’s footprint. Many Dickinson garages sit on slab foundations that are already in decent shape, which keeps the structural work contained. The bigger considerations here are flood elevation, electrical service upgrades, and making sure the conversion meets Dickinson’s ADU-specific building standards. Garage Conversion Contractor in Dickinson walks through the process, the permit path, and real price ranges.

ADU Builders in Dickinson
A detached ADU in Dickinson gives you a separate front door and real rental potential, which is why so many Bay Area Houston homeowners are looking at backyard units on oversized lots. We work with established prefab builders like Boxabl and Plant Prefab, plus traditional stick-framed builds, and match the approach to your lot, budget, and timeline. ADU Builders in Dickinson covers detached unit pricing, foundation options, and what Dickinson’s permit office will want to see.

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 Dickinson
We build with and service ADU systems and materials from Boxabl, Plant Prefab, Tuff Shed, and James Hardie. Siding, trim, and structural components for these brands are stocked locally or sourced through Houston distributors, which keeps turnaround tight for Dickinson jobs. See our brands for the full lineup.
Pricing for ADU Company in Dickinson, TX
Here’s what Dickinson homeowners typically see for the work we do. These are ranges, not final quotes. Your written price comes after we look at your lot, your plans, and your HOA or flood zone constraints.
| Service | Typical range in Dickinson |
|---|---|
| Garage conversion (attached, basic finish) | $48,000 – $90,000 |
| Garage conversion (detached, with bathroom) | $75,000 – $125,000 |
| Detached ADU (prefab, turnkey) | $130,000 – $190,000 |
| Detached ADU (stick-built, one bedroom) | $150,000 – $230,000 |
| Detached ADU (two bedroom, custom) | $200,000 – $320,000 |
| Home addition (primary suite) | $90,000 – $160,000 |
| Home addition (in-law wing with kitchenette) | $120,000 – $210,000 |
| Site work, foundation, and utility connections | $18,000 – $45,000 |
What pushes a Dickinson price up is usually flood-zone elevation requirements, an older panel that needs replacing, or soil that calls for deeper piers. We put the number in writing before any work starts, and that number doesn’t change at the door.
Neighborhoods We Serve in Dickinson
Our crews cover the full Dickinson area, from the established streets near FM 517 to the subdivisions around FM 646 and the neighborhoods near Dickinson Bayou. Each area has its own lot patterns and HOA quirks, which we account for in the quote.
- Bay Colony
- Westwood
- Pinewood
- Barnwood
- Areas along Dickinson Bayou
Service Area – Cities Near Dickinson
We schedule Dickinson work directly from our Houston-area dispatch office, and many of our clients also have projects in neighboring communities. If you’re in Santa Fe, TX, Seabrook, TX, Friendswood, TX, or Alvin, TX, the same written-price guarantee applies.
Serving Dickinson, TX - Our Local Coverage Area
We’re based in the Dickinson 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 Dickinson

Scheduling depends on what you’re building. Garage conversions and additions typically kick off within 2 to 4 weeks once permits clear. Detached ADU builds run on their own timeline tied to foundation and utility work. Call (361) 326-2313 for a current Dickinson schedule.
Yes. We pull the permit paperwork and the HOA documents for your specific neighborhood before quoting, so the written price already reflects what your lot is legally allowed to do. HOA review timelines vary by community.
No, unless you ask for a change in scope. That’s the whole point of The Kingswell Guarantee. The price is in writing first, and we come back and fix anything that fails within 365 days. Call (361) 326-2313 to get your number in writing.
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 Dickinson Customers Say
"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"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



