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AfterHow Much Does Garage Conversion Cost in Dallas?
A garage conversion in Dallas typically costs between $30,000 and $80,000 in 2026, with most homeowners in neighborhoods like Lakewood, East Dallas, and Oak Cliff landing around $45,000 to $60,000 for a full living-space conversion with bathroom. The final price depends on whether you’re adding plumbing, upgrading insulation to meet Dallas code, and how much electrical work the existing garage panel can support. We’ll walk through the real numbers below so you can self-qualify before you call.
Garage Conversion Cost Breakdown (2026)
Here’s what a garage conversion in Dallas actually costs, line by line. The prices below reflect what Mason Remodeling Co Dallas sees on projects across Dallas County in 2026, from basic studio conversions in Garland-adjacent neighborhoods to full ADU-style conversions with kitchens and baths in Preston Hollow and M Streets.
| Scope of Work | Price Range | Notes |
|---|---|---|
| Basic studio conversion | $30,000 – $40,000 | Framing, drywall, flooring, electrical, one or two windows, no plumbing |
| Conversion with half bath | $38,000 – $50,000 | Adds toilet and sink; requires tie-in to existing sewer line |
| Conversion with full bath | $45,000 – $60,000 | Shower, toilet, vanity; larger plumbing scope, possible concrete cutting |
| Conversion with kitchenette | $50,000 – $70,000 | Adds cabinetry, countertop, sink, dedicated circuits, ventilation |
| Full apartment conversion | $60,000 – $80,000 | Kitchen, full bath, separate entrance, upgraded HVAC, sound insulation |
| Adding a separate entrance | $2,500 – $6,000 | Exterior door, steps or landing, weatherproofing |
| Raising the garage floor | $4,000 – $9,000 | Needed when garage slab sits below the home’s floor level; common in older Dallas homes |
| HVAC extension or mini-split | $3,500 – $8,500 | Dallas summers make dedicated cooling non-negotiable for living space |
The two biggest cost drivers in Dallas are plumbing and foundation work. A garage slab is often 4 to 8 inches lower than the main house floor, so raising and leveling it is frequently required before flooring can go in. In older Dallas neighborhoods like Casa View or Lochwood, where houses date to the 1950s and 1960s, we regularly see cracked slabs and outdated electrical panels that need upgrades before the conversion can pass inspection.
Electrical is the quiet budget-eater. Most attached garages in Dallas were wired for a garage door opener and a few outlets, not a living space. Converting to code-compliant living space usually means a subpanel, dedicated circuits for a kitchenette or bath, and GFCI protection throughout. Budget $2,000 to $5,000 for this, depending on the panel’s age and available capacity.
What Affects Garage Conversion Pricing in Dallas
Two identical-looking garage conversions in Dallas can land $15,000 apart. Here’s what’s driving the spread.
- Plumbing access. If the garage sits on the opposite side of the house from the main sewer line, the plumber has to cut through more concrete and sometimes run lines through the yard. That’s where the money goes. Expect to pay more if your garage faces the alley in a neighborhood like Lower Greenville, where sewer tie-ins can run 30 to 50 feet.
- Dallas building code requirements. Dallas requires living space to have a permanent heating and cooling source, egress windows of a specific size, and insulation values that meet current energy code. Older garages almost never meet these out of the box. Budget for new windows and insulation as a matter of course, not an upgrade.
- Slab condition and height. Dallas sits on expansive clay soil. Garage slabs shift, crack, and settle. If your garage floor has a significant crack or sits too low relative to the house, the fix is concrete work, and it’s not cheap. We see this most often in East Dallas and Mesquite-adjacent areas where soil movement is pronounced.
- Whether the garage is attached or detached. Attached conversions are usually less expensive because they can tie into the home’s existing HVAC, electrical, and sometimes plumbing. A detached garage in the back of a Deep Ellum-adjacent lot means running new utility lines underground, which adds real cost.
- Ceiling height. Dallas homes built before the 1970s often have garages with 8-foot ceilings. A comfortable living space wants at least 8 feet, ideally 9. If your garage ceiling is lower, or if the roof structure needs re-framing to gain height, that’s a five-figure line item in some cases.
- Condition of the garage door opening. Converting the opening into a finished wall with a window or French door means framing, sheathing, siding or brick matching, and weatherproofing. If your home has a specific brick pattern that’s no longer manufactured, matching it can add $1,500 to $3,000 in masonry time.
How to Save on Garage Conversion in Dallas
You don’t have to spend $80,000 to get a usable, comfortable space. Here’s how Dallas homeowners keep the budget in check without cutting corners that cause problems later.
Skip the kitchenette if you don’t need it. A full bath is a big value-add for a guest suite or home office. A kitchenette, with its cabinetry, counters, sink, and ventilation, is another $10,000 to $15,000 you may not need if the converted space sits 20 feet from the main kitchen.
Keep the garage door opening if the aesthetic works. A glass garage door or a door that opens to a patio can be a striking design feature and eliminates the cost of filling and finishing the opening. In neighborhoods like Bishop Arts, we’ve done conversions where the original garage door was kept and insulated, and the result was a showpiece.
Plan for off-peak permitting. Dallas permitting can move slowly in the spring and early summer when everyone is starting projects. Filing in late fall or winter sometimes means faster permit turnaround, which can mean less carrying cost if you’re financing the work. It’s not a guarantee, but it’s a pattern we’ve observed over years of pulling permits in the city.
Get a real written price before you commit. The fastest way to overspend on a garage conversion is to work from a verbal estimate that drifts upward once the slab is opened and the panel is exposed. Mason Remodeling Co Dallas is part of the Threshold Group family of companies, and every project gets a written price before any work starts. That means the number you see is the number you plan around, not a starting point. Call (432) 302-8761 for a free estimate, and you’ll have a real number in hand.
Garage Conversion vs. Other Dallas Projects: How the Numbers Compare
Garage conversions sit in the middle of Dallas remodeling costs. They’re more than a bathroom remodel (typically $9,000 to $28,000 in Dallas) and less than a home addition (which runs $45,000 to $130,000). If you’re weighing a garage conversion against an ADU construction project at $90,000 to $220,000, the garage conversion is usually the more cost-effective way to add living space on an existing footprint. Here’s how the math breaks down across common Dallas project types:
- Garage conversion: $30,000 – $80,000
- Bathroom remodel: $9,000 – $28,000
- Kitchen remodel: $14,000 – $45,000
- Home addition: $45,000 – $130,000
- ADU construction: $90,000 – $220,000
If the garage conversion includes a bathroom, the plumbing work is similar in scope to what a small bathroom remodel requires, but with the added step of cutting through a concrete slab to reach the sewer line. That’s the single biggest reason conversions with baths run higher than converting the same square footage inside the existing house.
What the Dallas Permitting Process Looks Like
Dallas requires a building permit for any garage conversion that changes the use of the space from storage to habitable living area. You’ll typically need structural plans, an energy code compliance report, and a site plan showing the existing structure and proposed changes. The city reviews for zoning compliance, which includes setbacks and lot coverage rules that vary by neighborhood.
In some historic districts, additional design review applies. If your home sits in a conservation district like Lakewood Heights or Winnetka Heights, expect at least one extra review layer before you can pull permits. None of this is a reason to skip the process. Unpermitted conversions in Dallas cause real problems when you sell, and the city can require you to reverse completed work if it doesn’t meet code.
Mason Remodeling Co Dallas handles permitting for our garage conversion projects. We’ve pulled permits in districts across the city, and we know which details the reviewers look for. That means fewer rounds of corrections and less waiting before work starts.
How Long a Garage Conversion Takes in Dallas
Most Dallas garage conversions take 8 to 14 weeks from first day of demo to final inspection. The range comes down to a few variables: plumbing scope, whether the slab needs raising, and how quickly the city schedules inspections.
A simple studio conversion with no bathroom can finish in 6 to 8 weeks. A full apartment conversion with kitchen, bath, and separate entrance in a neighborhood with strict design review can run 14 weeks or longer. Weather matters less than it does for exterior work, but Dallas’s spring rain season can slow concrete pours and exterior door installation.
Here’s a typical sequence:
- Weeks 1-2: Demo, slab assessment, framing for interior walls and the old garage door opening.
- Weeks 3-5: Plumbing rough-in, electrical rough-in, HVAC runs, insulation, drywall.
- Weeks 6-8: Painting, flooring, trim, cabinetry, fixture installation.
- Weeks 9-12: Final inspections, corrections if any, punch list, cleanup.
That timeline assumes the permit was already pulled before work begins. Mason Remodeling Co Dallas submits permit drawings before our crew ever arrives at your house, so the demo starts with paperwork already in order.
Who Is Coming to Your House
You should know exactly who is walking through your door before the first tool comes out of the truck. That’s the Threshold Standard, and every Mason Remodeling location operates under it.
Here’s how it works: every crew member on a Mason Remodeling Co Dallas job is background-checked and identity-verified before they’re assigned to your project. Before the visit, you receive the technician’s name and photo. When they arrive, they’re in a clean, marked uniform and they show a photo ID badge at your door.
Isaac Pruett, who leads Mason Remodeling Co Dallas, has held crews to this standard since the company was founded in 2004 as part of the Threshold Group family of home-service companies. The standard applies to every project, every time, whether it’s a $30,000 studio conversion or an $80,000 full apartment build-out.
For homeowners who are often home alone, parents with young children, and older adults, this matters as much as the price. Opening your door to a stranger is a safety decision. The Threshold Standard removes the uncertainty: you see the name, you see the face, you verify the badge, and you know who is in your home.
Find more details on our approach to garage work on our Garage Conversion in Dallas page, and see how we think about the rest of your home on our main home page.
Written Price, Written Guarantee
We don’t do verbal estimates that grow. Every garage conversion project from Mason Remodeling Co Dallas carries a written price delivered before work begins. That’s not a promotion and not something you have to ask for. It’s how the company has operated since 2004.
The same applies to the guarantee. Every completed project is covered by a written warranty that states exactly what is covered, what is excluded, and for how long. The 365-Day Done Right Promise applies to our garage conversions: if the work is not right within a year of completion, we make it right at no cost to you. If a repair or installation fails, we return for a free second visit. No charge, no dispute process, no conditions.
This level of accountability is why homeowners in Dallas choose Mason Remodeling Co Dallas for conversion work, and why our repeat referral rate stays strong across neighborhoods from Lake Highlands to Kessler Park.
FAQs – Garage Conversion Cost in Dallas
Is it cheaper to convert a garage or build an addition in Dallas?
A garage conversion in Dallas at $30,000 to $80,000 is almost always cheaper than a home addition, which runs $45,000 to $130,000. The garage already has a foundation, walls, and a roof, so you’re paying for interior build-out rather than structural construction. Call (432) 302-8761 for a written estimate on your specific garage.
How much does it cost to convert a garage into a bedroom in Dallas?
Converting a Dallas garage into a bedroom with a closet and egress window typically costs $30,000 to $50,000, depending on whether you add a bathroom. If the garage is detached and needs new utility runs, expect the higher end of that range.
Does a garage conversion add value in Dallas?
In most Dallas neighborhoods, a properly permitted garage conversion adds $35,000 to $70,000 in resale value, roughly matching the cost. The key is doing it with permits and quality finishes. Unpermitted conversions from decades past are a frequent deal-killer in East Dallas and Oak Cliff home sales, and some sellers have to spend thousands bringing the work up to code before closing.
Can you come today to look at my garage?
We can usually have someone at your Dallas home within 24 to 48 hours for a garage conversion assessment. Our phone line is answered by a live person 24 hours a day, every day, including weekends. Call (432) 302-8761, and we’ll schedule a walk-through at a time that works for you.
What’s the most expensive part of a garage conversion in Dallas?
Plumbing is usually the most expensive single line item in a Dallas garage conversion, especially when a bathroom is included. Cutting through the slab to reach the sewer line and running new supply lines can cost $8,000 to $15,000 on its own, and more if the garage sits far from the main house.
Do I need a permit to convert my garage in Dallas?
Yes. Dallas requires a building permit for any change of use from garage to habitable space, plus separate permits for electrical, plumbing, and mechanical work. Mason Remodeling Co Dallas pulls all of these as part of the project, and the cost is included in your written price.
Ready to Get a Real Number?
Stop guessing. A garage conversion in Dallas costs between $30,000 and $80,000, but your specific garage has a specific number. The fastest way to get it is a free estimate from Mason Remodeling Co Dallas. We’ll walk the space, talk through what you want, and put a written price in your hands before any work starts. Call (432) 302-8761 now. A live person answers, day or night.
Pricing reflects the Dallas market as of 2026. Mason Remodeling Co Dallas offers free estimates – call (432) 302-8761.
Written by Isaac Pruett, Owner at Mason Remodeling Co Dallas, serving Dallas since 2004.
What Our Customers Say
"Written scope, fixed price, and weekly updates. No change orders we hadn't agreed to."
- Carlos H."Bathroom gut job. Replaced the old tub with a walk-in shower and added a niche. Waterproofing was done properly with a flood test before tile."
- Greg L."Basement refinish with egress window. Drywall finish is smooth and the electrician was tidy."
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