A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Addison, TX
An ADU, or accessory dwelling unit, is a second, smaller home built on the same lot as your main house. In Addison, the most common calls we get are for garage conversions, backyard cottages, and attached home additions that add a bedroom, rental unit, or multigenerational suite. Addison’s housing stock skews toward 1970s and 1980s single-family homes on lots that are tighter than the sprawling DFW suburbs to the north, so most Addison ADU work hinges on making every square foot count. Lodgewick ADU Dallas handles all three services with written pricing before work starts. Call (361) 204-4652 to talk through what your lot can support.
Why Addison Homes Are Different
Addison sits on the Dallas side of the Dallas-Collin county line, and the city’s development pattern is unusual for DFW: a dense core with apartments and townhomes, ringed by single-family neighborhoods that were mostly built up by the early 1980s. Homes in neighborhoods like Les Lacs, Parkview, and the streets around Addison Circle tend to be on 6,000 to 9,000 square foot lots, which is smaller than what you’ll find in Plano or Richardson. That changes the ADU conversation. A detached backyard cottage has to fit within a footprint that still leaves room for a car, a tree, and a fence line. A garage conversion often makes more sense because the garage is already there, already permitted, and already set back correctly.
Addison’s clay soil also moves with North Texas weather, expanding in wet springs and contracting through dry summers. Any slab-on-grade ADU or home addition has to take that movement into account with properly engineered piers and drainage that pushes water away from the foundation. We plan for that on every Addison job we quote. The city also has an active code enforcement department and a clear ADU ordinance, so permits and inspections move predictably as long as the drawings are right the first time.
Our Main Addison Services
Most Addison homeowners we talk to are deciding between three paths: build out, convert what’s already there, or add a detached unit in the back. Each one is a separate project with its own pricing and permitting path in Addison.
Home Addition Contractor in Addison
A home addition in Addison is usually the right move when the house already works and the family just needs one more bedroom, a larger kitchen, or a sunroom that opens onto the yard. Because many Addison homes were built as compact one-story ranches, the typical addition either extends the back wall or pushes out a side wall toward the property line. The city’s setback rules come into play quickly on smaller lots, which is why we measure, survey, and price the job before you commit to anything. Russ Delmar has run these builds across DFW since 2010, and every Addison addition gets a written price and a written guarantee. Home Addition Contractor in Addison
Garage Conversion Contractor in Addison
A garage conversion turns an attached or detached garage into a climate-controlled living space: a home office, an in-law suite, a rental studio, or a media room. In Addison, attached garage conversions are especially popular because so many houses have two-car garages that rarely see two cars. The garage slab is already poured, and the roof is already framed, so a conversion typically costs less than new construction. The catch in Addison is that the conversion has to meet current energy code, which usually means upgrading insulation, electrical, and sometimes the slab edge. We quote that work in writing before it starts. Garage Conversion Contractor in Addison
ADU Builders in Addison
A detached ADU is a small standalone structure – think 400 to 900 square feet – built in the backyard as a rental, a guest house, or a private space for aging parents. Addison’s smaller lots mean site layout matters more here than in cities with bigger yards. We have worked with prefab manufacturers like Boxabl, Mighty Buildings, and Plant Prefab to bring factory-built units onto Addison lots where stick-built construction would take longer and cost more. Every ADU build in Addison includes the full site work: foundation, utilities, drainage, and the connection to the main house. ADU Builders in Addison
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 Addison
We match each Addison project to the right building system: Boxabl for fast panelized ADUs on flat lots, Mighty Buildings for modern prefab shells, and Plant Prefab for custom designs on tight Addison sites. We keep familiar with Tuff Shed structures for simple storage-to-studio conversions, and parts for these systems route through our DFW suppliers. See our brands page for the full breakdown.
Pricing for ADU Company in Addison, TX
These are the ranges we quote most often for Addison work. Every number is a starting point, not a promise; your lot, your existing structure, and your finish level set the real price after a site visit and a written estimate.
| Service | Typical range in Addison |
|---|---|
| Home addition (attached, 200 – 400 sq ft) | $55,000 – $110,000 |
| Home addition (larger, 400 – 700 sq ft) | $110,000 – $190,000 |
| Primary suite addition | $65,000 – $140,000 |
| Attached garage conversion to living space | $45,000 – $95,000 |
| Detached garage conversion to ADU | $75,000 – $150,000 |
| Detached ADU (400 – 600 sq ft, site-built) | $125,000 – $210,000 |
| Detached ADU (prefab: Boxabl, Mighty Buildings, or Plant Prefab) | $95,000 – $185,000 |
Two things push Addison prices higher than the DFW average: smaller lots mean more careful site prep and tighter crane or equipment access, and the city’s 1980s housing stock often needs electrical panel and HVAC upgrades before an addition or conversion can pass inspection. That’s why the written price we give you includes every line item up front. No change orders at the door, no surprises when the inspector walks the site.
Neighborhoods We Serve in Addison
Our crews work across all of Addison, from the mid-century streets west of Midway to the newer builds near the Tollway. If you’re within city limits, you’re in our service area, and response time for a site visit is typically within a few business days.
- Les Lacs
- Parkview
- Addison Circle area
- North Addison
- Midway Meadows
Service Area – Cities Near Addison
We work in Addison and the surrounding cities across the DFW metro. If you’re just over the city line, we serve Dallas, TX to the west and south, Richardson, TX to the east, Plano, TX to the north, and Garland, TX beyond Richardson.
Serving Addison, TX - Our Local Coverage Area
We’re based in the Addison 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 Addison
Yes. Addison requires a building permit for any ADU, home addition, or garage conversion, and the plans must pass a zoning review before construction starts. The city checks setbacks, lot coverage, and utility connections. We handle the full permit process on your behalf and pull every permit before work begins.
Some Addison neighborhoods have HOAs with architectural review rules that can restrict ADUs, size limits, or exterior materials. We check your HOA’s covenants during the estimate phase so you know what you can build before you spend money on plans. Call (361) 204-4652 and we’ll walk through what applies to your street.
After the written estimate is approved and permits are issued, most Addison ADU projects start within two to four weeks. Prefab units like Boxabl or Mighty Buildings can shave several weeks off the timeline because the structure arrives partly assembled. The exact schedule is always written into your quote.
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 Addison 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
