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Permitting Authorities / City of Missouri City Development Services Department

Do you need a permit to replace a roof in Missouri City, TX?

Adopted code

City of Missouri City Development Services Department

The building permitting authority for the City of Missouri City, Texas. Chapter 14 of the City Code charges the director of development services or a designee with enforcing the chapter (Sec. 14-1), and Sec. 14-28 sets the rules for "any building or other permit that authorizes construction activity in the city," applying them to permits issued under the International Residential Code. Sec. 14-351 adopts the International Residential Code, 2021 Edition, as amended in Sec. 14-352 (Ord. No. O-24-07, February 19, 2024). A January 2024 council agenda item from the Development Services Department stated that the City then used the 2015 edition of the I-Codes and was reviewing amendments to adopt the 2021 I-Codes. Sec. 14-352 was read in full; it amends administrative sections, inserts the City's own Table R301.2 design criteria, deletes R313.2 and amends several plumbing sections, and none of its amendments touches the IRC's roof-assemblies chapter. Several fields below therefore rest on the unamended base 2021 IRC, and the City's inserted Table R301.2 is the source for wind speed and the ice-barrier answer.

Roof code checklist: Missouri City, TX

ItemAnswerCode citeSourceVerified
Permit to replace a roofNot published
Repair permit thresholdNot published
Layer limit / roof-overPublishedR908.3.1.1library.municode.com2026-10-02
Deck & sheathingPublishedlibrary.municode.com2026-10-02
Drip edgeYeslibrary.municode.com2026-10-02
Ice & water shieldNolibrary.municode.com2026-10-02
Mid-roof inspectionNot published
Impact-resistant (Class 4) roofingNolibrary.municode.com2026-10-02
Wind design criteriaPublishedlibrary.municode.com2026-10-02
Adopted codePublishedSec. 14-352library.municode.com2026-10-02
Contractor license / registrationYeslibrary.municode.com2026-10-02
Sales & use taxPublishedcomptroller.texas.gov2026-10-02

Each row comes from the sourced record on this page; full wording is in the table below. "Not published" means no official source for that item was found when the record was last verified.

Jurisdiction
City of Missouri City, Texas
Jurisdiction type
city
Address
1522 Texas Parkway, Missouri City, TX 77489
Contact
  • url: https://missouricitytx.civicweb.net/Portal/
  • phone: 281-403-8500
Contractor registration required
Required
Registration details
  • city_level: A CITY BUILDING CONTRACTOR'S REGISTRATION, WITH ITS OWN INSURANCE MINIMUM AND ANNUAL FEE. Sec. 14-12: "No building contractor shall do business in whole or in part within the corporate limits of the city without having first registered and received from the city a building contractor's registration." Sec. 14-11 defines a building contractor as any person or entity "engaged in, undertaking, or carrying on any business consisting of or related to the construction, demolition, repair, or renovation of any building, structure, swimming pool or sign." Under Sec. 14-13 the application must include, among other items, the contractor's state license in its area of service "if applicable," and "Proof of comprehensive general liability insurance, held with a company with a rating of B+ or better" with minimum limits of $300,000.00 for death or bodily injury and $300,000.00 for property damage, per occurrence. Sec. 14-14 sets an annual fee by council resolution, and every registration expires on the September 30 following initial registration. Sec. 14-16 lets the director of development services revoke or suspend a registration, and requires written notice and a hearing before the city manager prior to a revocation.
Adopted code
THE 2021 INTERNATIONAL RESIDENTIAL CODE, WITH A CODIFIED, NUMBERED AMENDMENT LIST. Sec. 14-351 provides: "The International Residential Code, 2021 Edition, including appendices AA, AB, AC, AD, AF, AG, AH, AJ, AK, AM, AN, AO, and AP, as published by the International Code Council, Inc., and as amended in section 14-352, is adopted." Its history note cites Ord. No. O-15-15 (March 2, 2015) and Ord. No. O-24-07, Section 9 (February 19, 2024); the code text read was codified through Ord. No. O-26-15 (May 14, 2026). Sec. 14-352 was read in full. Its 18 items amend R101.1 and R101.2; delete R103, R104.8, R104.8.1, R104.10, R105.3.2, R105.5, R108.2, R108.5, R112, R113.2 through R113.4, R114 and R313.2; rewrite R105.2, work exempt from permit; amend R105.3.1.1 (flood hazard areas) and R106.3.2; insert the City's Table R301.2 design criteria; and amend or delete plumbing sections P2603.5.1, P2904.1.1, P2910 through P2913 and P3009. NONE OF THEM TOUCHES THE IRC'S ROOF-ASSEMBLIES CHAPTER. A January 16, 2024 council agenda item from the Development Services Department stated, before that adoption, "The City currently utilizes the adopted 2015 edition of the I-Codes," and that staff were completing amendments to adopt the 2021 I-Codes. The City also adopts the International Existing Building Code, 2021 Edition (Sec. 14-391); this record does not describe that code's provisions.
Drip edge
Required — DEFAULT TRUE, AS A POINTER TO THE UNAMENDED BASE 2021 IRC, NOT A QUOTED FIGURE. Sec. 14-352, the City's amendment section for the 2021 International Residential Code, was read in full and amends nothing in the IRC's roof-assemblies chapter. This record does not repeat the base code's drip-edge text; it points to the unamended 2021 IRC roof-assemblies chapter as the applicable provision. About drip edge
Ice & water shield
Not required — NOT REQUIRED, IN THE CITY'S OWN INSERTED CLIMATIC TABLE. Sec. 14-352(13) amends Table R301.2 "by inserting the following design criteria in the table," including "Ice Barrier Underlayment Required: No," alongside a ground snow load of 0 and an air freezing index of 50. That is a first-party answer written into the City's adopted residential code. About ice & water barrier
Impact-resistant roofing
Not required — NOT REQUIRED BY THE CITY'S RESIDENTIAL CODE AMENDMENTS. Sec. 14-351 adopts the 2021 International Residential Code, and Sec. 14-352 (read in full, items 1 through 18) does not amend Chapter 9's impact-rating provisions; no UL 2218 or Class 4 impact requirement appears in the City's IRC amendments.
Wind design criteria
ESTABLISHED FROM THE CITY'S OWN INSERTED CLIMATIC TABLE. Sec. 14-352(13) amends Table R301.2 and inserts, in the City's words: Wind Design Speed 110 mph, 3 second gust; Topographic Effects low hills; Special Wind Region No; Windborne Debris Zone NA; Seismic Design Category A; Ground Snow Load 0; Weathering Negligible; Frost line depth 12 inches; Termite Yes, Very Heavy; Flood hazards per Chapter 42, Floodplain Management, of the City Code; Air Freezing Index 50.
Roof layer limit / recover
TWO LAYERS MAXIMUM, ON THE UNAMENDED BASE 2021 INTERNATIONAL RESIDENTIAL CODE. Sec. 14-351 adopts the 2021 IRC, and Sec. 14-352, the City's amendment section, was read in full (items 1 through 18) and names no R908 section and no reroofing or recover provision. So the base 2021 IRC reroofing rule applies. Section R908.3.1.1, "Roof recover not allowed," provides that "A roof recover shall not be permitted" where, among other conditions, "the existing roof has two or more applications of any type of roof covering." One existing layer may be recovered; a second existing layer means a full tear-off before a new covering goes on.
Deck & sheathing requirements
NO LOCAL RULE ON ROOF SHEATHING; THE CITY'S AMENDMENTS MAKE NO CHANGE TO IT. Sec. 14-351 adopts the 2021 International Residential Code, and its amendment section, Sec. 14-352 (read in full, items 1 through 18), touches no roof-sheathing or roof-assemblies provision. So the base 2021 IRC roof sheathing provisions apply unmodified. This record points to that code rather than restating figures from it.
Sales & use tax
THE COMBINED RATE AT A MISSOURI CITY LOCATION IS 8.25%, per the Texas Comptroller's city sales tax rate file (July 2026 sheet): a 1% Missouri City rate plus a 1% Houston MTA transit rate, with an 8.25% total on both of the file's Missouri City rows. THAT FIGURE DOES NOT, BY ITSELF, ANSWER WHAT A ROOFER OWES ON A HOME. The Comptroller's Publication 94-116 (03/2007), Texas Real Property Repair and Remodeling, states: "Labor to repair, remodel, or restore residential real property is not taxable." Under a lump-sum contract, "you pay tax on all your supplies, materials, equipment, and taxable services when you buy them. You don't charge your customer tax." Under a separated contract, the contractor gives suppliers resale certificates for incorporated materials and then collects "state sales tax, plus any local tax, from your customer on the amount you charge for the materials and those services."

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Sources

Roofing questions: Missouri City, TX

Is ice & water shield required in Missouri City, TX?

No. NOT REQUIRED, IN THE CITY'S OWN INSERTED CLIMATIC TABLE. Sec. 14-352(13) amends Table R301.2 "by inserting the following design criteria in the table," including "Ice Barrier Underlayment Required: No," alongside a ground snow load of 0 and an air freezing index of 50. That is a first-party answer written into the City's adopted residential code.

Is drip edge required in Missouri City, TX?

Yes. DEFAULT TRUE, AS A POINTER TO THE UNAMENDED BASE 2021 IRC, NOT A QUOTED FIGURE. Sec. 14-352, the City's amendment section for the 2021 International Residential Code, was read in full and amends nothing in the IRC's roof-assemblies chapter. This record does not repeat the base code's drip-edge text; it points to the unamended 2021 IRC roof-assemblies chapter as the applicable provision.

Can you roof over an existing roof in Missouri City, TX?

TWO LAYERS MAXIMUM, ON THE UNAMENDED BASE 2021 INTERNATIONAL RESIDENTIAL CODE. Sec. 14-351 adopts the 2021 IRC, and Sec. 14-352, the City's amendment section, was read in full (items 1 through 18) and names no R908 section and no reroofing or recover provision. So the base 2021 IRC reroofing rule applies. Section R908.3.1.1, "Roof recover not allowed," provides that "A roof recover shall not be permitted" where, among other conditions, "the existing roof has two or more applications of any type of roof covering." One existing layer may be recovered; a second existing layer means a full tear-off before a new covering goes on.

Do roofing contractors need a license or registration in Missouri City, TX?

Yes.

What building code does Missouri City, TX use?

THE 2021 INTERNATIONAL RESIDENTIAL CODE, WITH A CODIFIED, NUMBERED AMENDMENT LIST. Sec. 14-351 provides: "The International Residential Code, 2021 Edition, including appendices AA, AB, AC, AD, AF, AG, AH, AJ, AK, AM, AN, AO, and AP, as published by the International Code Council, Inc., and as amended in section 14-352, is adopted." Its history note cites Ord. No. O-15-15 (March 2, 2015) and Ord. No. O-24-07, Section 9 (February 19, 2024); the code text read was codified through Ord. No. O-26-15 (May 14, 2026). Sec. 14-352 was read in full. Its 18 items amend R101.1 and R101.2; delete R103, R104.8, R104.8.1, R104.10, R105.3.2, R105.5, R108.2, R108.5, R112, R113.2 through R113.4, R114 and R313.2; rewrite R105.2, work exempt from permit; amend R105.3.1.1 (flood hazard areas) and R106.3.2; insert the City's Table R301.2 design criteria; and amend or delete plumbing sections P2603.5.1, P2904.1.1, P2910 through P2913 and P3009. NONE OF THEM TOUCHES THE IRC'S ROOF-ASSEMBLIES CHAPTER. A January 16, 2024 council agenda item from the Development Services Department stated, before that adoption, "The City currently utilizes the adopted 2015 edition of the I-Codes," and that staff were completing amendments to adopt the 2021 I-Codes. The City also adopts the International Existing Building Code, 2021 Edition (Sec. 14-391); this record does not describe that code's provisions.