A thin state layer and decisive cities
Texas counties have no general zoning power: Local Government Code § 232.101(b) bars a commissioners court from regulating the use of buildings or property for business purposes, so an unincorporated site answers to county platting and infrastructure rules under Chapter 232 rather than to a use table [6]. Inside city limits, use permission, stacking, separation and noise are written city by city, and in the DFW suburbs most of them are settled through a Specific Use Permit heard by a planning commission and a city council. A Texas car wash site plan therefore starts with two questions: which state permits the site triggers, and which city code governs the parcel. The Texas state page covers the wider approval system.
| State layer | Rule | What it means on the plan |
|---|---|---|
| Construction stormwater | TCEQ renewed TXR150000 effective March 5, 2023; coverage applies where construction discharges stormwater to surface water and disturbs an acre or more; small construction is 1 to less than 5 acres, large is 5 acres or more; the permit expires March 5, 2028 [4, 7] | The engineer of record prepares the stormwater plan; the site data table carries the acreage |
| Coverage screening | TCEQ guidance RG-434 points builders to construction general permit screening before construction [8] | Screening happens before grading starts |
| Fuel tanks, if fuel is added | TCEQ Petroleum Storage Tank program under 30 TAC Ch. 334; Texas runs an EPA-approved program (40 CFR §282.93) [3, 9] | Tank field, fill and vent locations on the layout |
| Driveways on frontage roads | TxDOT Access Management Manual Table 2-1 sets spacing by posted speed [10] | Fixes how many driveways the frontage can hold |
| Plats | A city approves, approves with conditions or disapproves a plat within 30 days after filing, with extensions of up to 30 days each on the applicant's written request (LGC 212.009) [11]; HB 3699 (2023) removed "plan," including site plans, from that approval clock [12] | The plat runs on the statutory clock; the SUP and site plan run on the city calendar |
| Completeness | HB 3699 added LGC 212.0081: a city publishes a checklist, and an application containing every listed item is considered complete [13] | Draw to the published list |
| Moratoria | HB 2559 (2025) amends Local Government Code § 212.134: notice not later than the 30th day before a hearing, two public hearings, final adoption by a three-fourths vote [5, 14, 15] | A city pause needs notice and hearings |
| Accessibility | Projects with estimated construction cost of $50,000 or more register with TDLR and get Registered Accessibility Specialist review of the construction documents (16 TAC 68.50) [16, 17] | A separate review track beside the building permit |
Wash water is a city utility question
The International Carwash Association's industry research reports that "Greater than 99 percent of professional car washes discharge effluent to a sanitary sewer" [18], so the city's sewer use or plumbing rules set the pretreatment device. Aubrey (Ch. 13, Art. 13.06) shows the Texas form: grit interceptors and oil-water separators "installed and inspected prior to issuance of a certificate of occupancy," a 90-day default pumping interval, full evacuation at least every 180 days, and pump-out manifests [19]. Mansfield writes the waste side into its utility rules: a car wash "must have all liquid waste material removed by a liquid waste transporter who holds a valid permit from the City of Mansfield," and each grease or grit trap pumped "must be fully evacuated in accordance with 30 Texas Administrative Code § 312.143" [20]. For how reclaim systems change the equipment room and the budget, see the post on water conservation in car wash design.
Fuel add-ons: the Texas tank layer
A wash with fuel, or a c-store with a wash bay, adds the TCEQ Petroleum Storage Tank program, and Texas charges no annual registration fee for it [3].
| Item | Texas rule |
|---|---|
| Annual registration fee | $0: "As of September 1, 2007, petroleum storage tank owners no longer get charged registration fees" [3] |
| Construction notice | At least 30 days before UST construction (30 TAC 334.6) [3] |
| Registration | Within 30 days of initial delivery [21] |
| Delivery certificate | Renewed annually, at least 30 days before it expires [21] |
| Edwards Aquifer zones | $650 per tank facility plan fee [22] |
| Installer licensing | Contractor registration $232; On-site Supervisor License $111 [23]; the installer or on-site supervisor license number goes on Form TCEQ-00724 [24] |
San Antonio adds a local tank layer over the aquifer: a SAWS fee applies to USTs in the recharge and transition zones (UDC Sec. 35-521) [25], and the ERZD overlay restricts uses with production or storage of hazardous materials (UDC Sec. 35-332) [26].
Dispenser setbacks come from the fire code a city has adopted, and island spacing from brand prototypes. The gas station site plan hub sets out the model code distances, the gas station site plans in Texas page covers the state fuel layer, and the Waller County truck stop model project covers diesel programs on Texas frontage roads.
Frontage access is a Texas-specific layout driver. TxDOT's Table 2-1 sets driveway spacing by speed, rising to 425 / 510 ft (one-way / two-way) at 50 mph or more [10]. Near an interchange, the Roadway Design Manual recommends a minimum of 1,750 ft (urban) or 925 ft (rural) from an exit ramp to the downstream intersection [27]. On a short frontage, that spacing often decides whether the stacking lane and the exit share one driveway or get two.
DFW city standards
Across the DFW suburbs a tunnel wash is usually a discretionary use, and the Dallas-Fort Worth metro page maps the jurisdictions. The Mansfield express car wash model project walks through one Specific Use Permit (SUP) in full, including the seven findings in §155.080(F) [28]. The table sets the neighboring rules side by side.
| City | How the use is allowed | Stacking | Residential separation and orientation |
|---|---|---|---|
| Frisco (DFW benchmark) | SUP, completed "in the same manner as an application for rezoning" (Ch. 63 §2.05.02) [29] | Benchmark: 6 per full-service bay and 3 per self-service automated bay (§4.04) [2]; all stacking contained on the site (§6.15.01) [30] | Benchmark: 250 feet from any residential zoning district for buildings, pump islands, vacuums, outdoor speakers and fuel tanks (§4.21) [1] |
| Fort Worth | CUP for automated washes within 200 feet of residential (Fort Worth Ord. 25514-05-2022) [31] | Not stated | Fort Worth §5.108: no drying or vacuuming within 25 feet of a residential district; no dryer facing residential uses; 6 ft screening wall along residential lines [31, 32] |
| Dallas | "SUP may be required" in several districts; residential adjacency review in many planned development districts (Sec. 51A-4.210(b); PD 535, PD 369) [33, 34, 35] | Not stated | Residential adjacency review |
| Mansfield | "S" use in the §155.054 use table [36] | Tested under SUP finding (4), driveways and parking [28] | No "obnoxious conditions perceptible at the abutting property lines" (§155.099(B)(17)) [37] |
| McKinney | SUP required in "C1" Commercial Neighborhood [38]; in BN, an SUP "only in connection with an auto fuel sales facility" for a "fully automated facility, which will accommodate only one vehicle at a time" [39] | Not stated | Not stated |
| Celina | "Auto wash, full-service" is S in C, MU and the PRO/CCO overlay (Art. 14.03, Table 2) [40] | Not stated | Not stated |
| Cedar Hill | Not stated | 3 per automated bay plus 1 exit space; full-service 4 per vacuum or gas lane (Zoning Art. 5) [41] | Not stated |
Frisco has four rules to read before a plan is drawn. Council may impose conditions "which shall be complied with by the owner or grantee before a certificate of occupancy may be issued," and the Board of Adjustment "shall not have jurisdiction to hear, review, reverse, or modify any decision" on an SUP land use, so a variance is no route around a condition (§6.15.01) [30]. SUP requirements are "attached to the Preliminary Site Plan or Site Plan drawing(s)" that the commission and council approve, so the plan is the binding exhibit [30], and a significant enlargement or modification without a separate SUP is grounds to rescind it [42]. A Planned Development controls where one exists: "For any property zoned Planned Development (PD), the PD takes precedence over the zoning ordinance" [43]. And the code moves: Ordinance 2026-07-44 (adopted July 7, 2026) amended Ch. 63 §3 Land Uses and §7 Definitions, and the Preston Road and Tollway overlays can prohibit uses outright [44]. Corridor sites also check the US 380 Overlay Design District, adopted by Ord. 2022-01-01 [45].
One Frisco filing shows the pad-site pattern. On May 27, 2025, P&Z reviewed PSP25-0014, an HEB with "accessory gas pumps with a car wash on one lot on 22.8± acres" in PD-254-Retail [46].
Fort Worth writes orientation into code: "No car wash dryer shall face a residential district or use" [31]. Mansfield states its rule as a performance test at the abutting property lines [37], which applicants answer with screen walls and vacuum placement drawn on the plan.
Mansfield's own numbers frame the model project. The SUP fee is $2,500 plus $100 per acre, capped at $7,500 (OR-2379-24) [47]. An SUP lapses unless construction or use is substantially underway within 2 years (§155.080(H)) [28]. The South Mansfield Form-Based District lists "Car wash" among the uses not allowed in any transect zone (§155.073) [48]. The council denied SUP25-004, a 2.6-acre tunnel site at 1561 E. Broad St, on April 13, 2026 [49]. In ZC#24-013 (1850 E. Broad St), a self-service wash beside an elementary school and day care, the staff report called the uses "considered noxious when adjacent to school type uses based on noise and traffic" [50].
Houston, San Antonio, Austin and the rest of Texas
Houston has no use zoning; the entitlement is a development plat, required for new construction or an exterior enlargement in the city and its ETJ (Sec. 42-22) [51]. The Houston Permitting Center's development plat application (PDD1003) calls for a detailed site plan in 2 copies [51]. The city's parking table, Sec. 26-492 (Class 9), sets 2.5 spaces per bay or stall for automated washes and 1.0 per bay for other washes [52]. Under the Chapter 42 building line rules, a retail center on a major thoroughfare of 80 feet or less of right-of-way may get a 5 foot or zero building line (Sec. 42-150) [53]. Flood elevation is the Houston site factor: under Chapter 19, effective September 1, 2018, new structures in the 100-year or 500-year floodplain sit at the 500-year elevation plus 2 feet [54], and 31% of the city lies in the 100-year floodplain [55]. The Houston metro page carries the wider process.
North San Antonio sits over the Edwards Aquifer recharge zone, where the ERZD overlay applies to all base zones and is appended to the district name as a suffix (UDC Sec. 35-521) [25]. SAWS caps impervious cover at 15% for single-family, multifamily and commercial sites in Category 3 of the ETJ recharge zone, and its Category 2 example allows 65% for commercial [56]. The aquifer protection site development plan must show scale, north point, floodplain preservation areas, recharge features, an erosion control plan and the impervious cover percentage (UDC Sec. 35-B105) [57]. City Code Ch. 34 allows no impervious cover in floodplain buffer zones and a 10% maximum in the drainage area buffer zone [58]. TCEQ reviews an administratively complete Edwards application in 90 days (30 TAC 213.4(e)) [59]. The San Antonio metro page sets out the city process.
The 30 TAC Chapter 213 program reaches beyond San Antonio: it requires a Water Pollution Abatement Plan in the recharge zone and a Contributing Zone Plan upstream, in Medina, Bexar, Comal, Kinney, Uvalde, Hays, Travis and Williamson counties [60]. In the Austin metro's Travis, Williamson and Hays counties, regulated activities need TCEQ approval before soil is disturbed [60, 61]. The Austin metro page covers the city's own review.
Outside the big four metros, the codes are just as specific. Tyler (UDC Sec. 10-389) sets automatic wash stacking at 3 per service position plus 1 after and attendant washes at 10 per wash line plus 6, in 9 x 20 ft spaces, and keeps service points and stacking lanes 80 ft from residential districts and 30 ft from office and mixed use, with a "B" bufferyard [62]. Corpus Christi (UDC Table 7.2.6.A) requires 4 spaces per automated stall, measured from the entrance to the wash bay, and 3 for hand-operated stalls, and the city's TRC may require more [63].
How the Texas numbers compare
Texas codes count car wash spaces in different units: Houston's parking table 2.5 per automated bay or stall [52], Cedar Hill 3 per automated bay plus 1 exit space [41], Tyler 3 per service position plus 1 [62], Corpus Christi 4 per automated stall [63], and Frisco, the regional benchmark, 6 per full-service bay [2]. Read the wording before counting lanes: a per-lane or per-position rule grows with a second pay lane, a per-bay rule does not. Outside Texas the units shift again: Mayfield Heights, Ohio counts 8 per vehicle entrance (§1171.09(e)) [64], and Tallmadge, Ohio counts 10 per lane at 8 x 20 ft (Ord. 2023-82) [65].
On separation, the Texas figures measure different things. Frisco's 250 ft benchmark runs from residential zoning to every automotive structure [1]; Tyler's 80 ft runs to service points and stacking lanes [62]; Fort Worth's 25 feet governs drying and vacuuming only, and its 200 feet is a permit trigger rather than a setback [31, 32]. Tallmadge sets 500 ft from residential use, parks, trails, schools and places of worship [65].
The moratorium wave reaches Texas
Car wash moratoria have spread across Alabama, Ohio and California, and the car wash hub tracks that national record; the car wash and gas station regulations by state guide compares the state layers. In Texas, The Monitor reported that Mission's council unanimously approved Ord. 5794 on March 24, 2026: a 180-day moratorium, retroactive to pending applications, that cited drought [66].
The Legislature now sets the procedure. HB 2559 (2025), effective September 1, 2025, amends Local Government Code § 212.134 to require notice "not later than the 30th day before the date of a hearing, rather than on the fourth day," and requires the governing body "to hold two public hearings" [14]. Per the enrolled bill text, final adoption requires a three-fourths vote [5], and the Texas Municipal League reads it as "a three-fourths vote of all council members on second reading" [15].
In DFW the pressure shows up as denials. In Richardson, Clearwater Express (about 5,000 sf, one tunnel, 20 outdoor vacuum bays) sat behind an existing fuel center and beside a child care facility; the City Plan Commission approved it 3-2, and the council denied it on Oct 9, 2023, by 6-1, with noise, neighborhood opposition and water use cited; at the hearing the applicant cited 16 gal per vehicle [67, 68]. In Red Oak, the Waxahachie Daily Light reported a 4-0 council denial at the Aug. 10 meeting of a detail car wash SUP (ordinance 26-020), after a 2-3 Planning and Zoning Commission vote on April 27, with traffic, noise, light, parking, fire access and sales-tax corridor goals cited [69]. Mansfield's council denied SUP25-004 on April 13, 2026 [49]; the model project sets out the record. Two layout answers recur, and both are written into nearby codes: point the dryer away from homes, as Fort Worth requires [31], and hold the whole queue on the site, as Frisco requires [30].
What the preliminary plan carries, and what the engineer of record adds
| On the preliminary site plan | Added by the engineer of record |
|---|---|
| Tunnel position and dryer exit orientation | Grit trap and interceptor sizing, sewer connection |
| Stacking lanes counted to the city rule, bypass, pay stations | Grading, drainage and detention design |
| Vacuum field, equipment room, screen walls | Construction stormwater coverage and plan |
| Driveways placed against TxDOT or city spacing | TxDOT access permit design |
| Separation lines from residential zoning | UST system design and TCEQ notices through a licensed installer |
| Site data table: acreage, zoning, impervious cover, parking and stacking required against provided | Sealed civil, structural and MEP sets |
In Mansfield the metes and bounds description must be "signed and sealed by a registered surveyor" (§155.080(D)(3)) [28]. Texas exempts a privately owned commercial building of no more than 2 stories or 20,000 sq ft from the architect requirement (Occupations Code 1051.606(a)(4)) [70, 71], and the TDLR accessibility review runs on its own track [16]. The preliminary site plan is the exhibit the hearing reads and the base the engineer of record builds the sealed set on. The preliminary vs final site plan guide explains that handoff, and car wash renderings show a council the dryer side and the screen wall from the nearest home.
For the Florida rules, see car wash site plans in Florida. For market context, read car wash development in 2026. To start a Texas site, send the parcel.
Frequently asked questions
Who sets the grit trap rules for a Texas car wash?
The city's sewer and plumbing rules. Aubrey requires grit interceptors and oil-water separators "installed and inspected prior to issuance of a certificate of occupancy," with a 90-day default pumping interval and full evacuation at least every 180 days [19]. Mansfield requires car wash liquid waste to be removed by a transporter holding a city permit, with each trap pumped "fully evacuated in accordance with 30 Texas Administrative Code § 312.143" [20].
Is there a Texas fee to register fuel tanks at a car wash?
No annual registration fee: "As of September 1, 2007, petroleum storage tank owners no longer get charged registration fees." TCEQ must be notified at least 30 days before UST construction (30 TAC 334.6) [3], and tanks are registered within 30 days of initial delivery [21]. Edwards Aquifer zones add a $650 per tank facility plan fee [22].
Is a car wash allowed by right in Frisco?
How far from homes must a Frisco car wash be?
Frisco's code is the DFW benchmark for separation: buildings, gasoline pump islands, vacuums, outdoor speakers, fuel storage tanks and other automotive structures must sit a minimum of 250 feet from any residential zoning district (§4.21) [1].
Can a Texas city pass a car wash moratorium?
Yes, by the HB 2559 procedure: notice "not later than the 30th day before" a hearing, two public hearings, and final adoption by a three-fourths vote [5, 14, 15]. The Monitor reported that Mission's council unanimously approved Ord. 5794, a 180-day moratorium retroactive to pending applications, on March 24, 2026 [66].
Does Houston need a site plan for a car wash?
Sources
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