Concrete Patios in Carrollton, TX

Does a concrete patio in Carrollton, TX need a permit?

Under Carrollton's amended 2024 IRC, "sidewalks and driveways which are completely on private property" need no building permit. Patios don't appear on that list. The city's building inspection FAQ adds a line worth reading twice: even where a permit is waived, "the code is still applicable and must be followed." We don't guess here. Before we price a concrete patio in Carrollton, we confirm the scope with Building Inspection, and when a permit applies we pull it through the online CityServe Portal.

On the fee schedule, building, miscellaneous construction is $50 and a re-inspection is $50. Start work before a required permit and the investigation fee matches the permit fee. Inspections happen once a day. Book before 7:00 a.m. for same-day service or after 7:00 a.m. for the next business day, and don't expect one on Friday afternoon. Inside its Neighborhood Empowerment Zones, Carrollton also waives permit and board filing fees.

To see how these rules stack up against Plano and Frisco, read our north Dallas permit guide.

Covers, decks, fire pits and the Outdoor Living handout

Plenty of backyard plans go beyond a slab, and a concrete patio in Carrollton can end up carrying a cover, a deck step or an outdoor kitchen. According to Carrollton's Outdoor Living handout, a deck needs a permit when it is over 200 sq ft or over 30 inches high. Patio covers, arbors, outdoor kitchens and outdoor fireplaces need permits as well. A fire pit or fire bowl doesn't, unless it hooks up to gas or electric. Whoever builds a patio cover or arbor must be registered with the city, and general contractor registration costs $0.

Small structures face a tighter rule here than in the model code. Carrollton trimmed the permit exemption for a one-story detached accessory structure to 120 sq ft, while the model code allows 200. Single-family zoning permits one accessory building plus one detached garage per lot, and an accessory building can't sit between the house facade and the street. Article 7 sets maximum building coverage at 45% for most single-family districts, with one column at 55%, so check a roofed cover against your district.

Tell us what you want to add next. We shape the slab edges and thickness around the posts and the plans the city will want to see.

What It Costs

Our DFW ranges, applied to Carrollton backyards.

These are ranges, not a bid. Permit fees come on top. A free written estimate follows once we have seen the yard.

Trinity bottomland, Branyon and Houston Black under backyard slabs

Soils under a concrete patio in Carrollton vary from lot to lot. NRCS sampled 30 points inside Carrollton's 2020 Census boundary, and the most common soils were Trinity-Urban land complex, occasionally flooded (13%, shrink-swell 13%), Branyon clay (13%, 9.9%), Houston Black clay (10%, 12%) and Heiden clay (7%, 12.1%). All four rate "Very limited" for dwellings on a slab. At seventeen of 29 land points, shrink-swell reached 9% or more, which NRCS calls very high. Sandier ground turns up as well, and Silstid loamy fine sand (7%, 1.5%) rates "Not limited."

With soils this different, we dig before we promise a base depth. On the clays, reinforcement stays up off the dirt. The 2024 IRC calls for slab steel to be supported from the center to the upper third of the slab through the whole pour, and a chair holds it there better than a boot does. Carrollton enforces the 2024 IRC under Ordinances 4265 and 4290, effective 09/01/25, and that code lets patios and other flatwork skip the vapor retarder unless they could be enclosed and heated later.

USGS runs stream gauge 08055500 on the Elm Fork of the Trinity River near Carrollton, in Dallas County. The city reaches into Dallas County, Denton County and Collin County, and it is part of the Metrocrest along with Addison, Coppell and Farmers Branch. On FEMA's layer, 60% of the sample points were minimal-hazard Zone X, 10% were in an AE floodway, 7% in AE and 3% in Zone A. Check your own address on FEMA's map before you plan a slab.

Green space, trees and historic overlays that touch a patio

Three Carrollton rules come into play once a patio gets big. First, a residential lot must keep at least 10% landscaped, with half of that in the front half of the lot and 30% in the front yard. Artificial turf doesn't count toward it. Behind a small house, a 20 by 30 concrete patio in Carrollton eats real room from the planted area. We measure first and draw second.

Second, Chapter 155 protects trees, and the fee schedule charges $225 per caliper inch of protected tree that isn't otherwise mitigated. Planning the patio near a mature tree? Talk it through before the excavator arrives, because roots under a slab can damage it too.

Third, Carrollton has a Historic Preservation Overlay District. Permitted work that affects the exterior of a designated historic structure in a designated district needs a Certificate of Historic Appropriateness first. The city also tells residents to contact the homeowners' association about deed restrictions and covenants. Our HOA approval guide covers what to bring.

Pouring in a Carrollton season, and what a patio costs

Carrollton's housing leans toward the 1980s. By Census figures the median home dates to 1988, 28% of the 54,365 units were built in the 1980s, and 26% predate 1980. Median owner-occupied value is $381,000. An older concrete patio in Carrollton may need to be cut out or extended. The old edge gets exposed and its grade checked, and we match it so the threshold stays level.

Timing on the calendar matters too. DFW has about 29 days a year at or below 32 F, including about 10.6 in January. NRMCA says fresh concrete freezes below about 25 F and needs protection until it reaches 500 psi, about two days after placement. On a bad forecast day we hold the pour instead of gambling.

Our reinforced, broom-finished patios cost $7 to $12 per sq ft, so a 200 to 470 sq ft project runs $2,000 to $5,000. A 12 by 12 patio is 144 sq ft, which is $1,008 to $1,728. A 16 by 20 patio is 320 sq ft, which is $2,240 to $3,840. Tear-out adds cost. Want a concrete patio in Carrollton, TX priced? Use the contact page or call 469-972-8639. You can also browse our concrete patios page, the Carrollton concrete contractor page, or Carrollton driveways.