City of Las Cruces, New Mexico - Community Development Department (Building Section)

City of Las Cruces, New Mexico

city

700 N. Main Street, Las Cruces, NM 88001

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The Community Development Department is at City Hall, 700 N. Main Street, Las Cruces, NM 88001. The Permitting Counter is open to the public 8 a.m. to 5 p.m. Monday through Friday; questions go to [email protected] or 575-528-3059. Permits and business registrations are handled online at the City of Las Cruces Accela Citizen Portal, whose published services include "Application submittal for both building permits and business licenses", "Checking status of your project - building permits", "Inspection requests" and payments. A pre-submittal meeting is required only for commercial new construction, additions or alterations valued at $1 million or more and for multi-family projects (duplexes or larger); for projects below $1 million it is optional - a residential re-roof is not in the mandatory class. Under DIVISION 9 - REROOF PERMIT AND INSPECTION PROCESS: applications for which no permit is issued within 180 days expire by limitation, extendable once by up to 180 days on a showing of circumstances beyond the applicant's control (Section 30-426(b)); permitted work must commence within 180 days of issuance and be completed within one year; inspection requests must be filed at least one working day ahead, and "Inspections cannot be requested until a Permit has been issued"; a $30.00 reinspection fee may be assessed (Section 30-428(d)); and the job closes with a certificate of completion (Section 30-429). Las Cruces is self-administering, so the state permits rule does not govern its counter, but it corroborates the shape of the process: 14.5.2 NMAC states at 14.5.2.2 that "This rule applies to all work performed in New Mexico that is subject to the jurisdiction of CID for which permits are required," and at 14.5.2.6 that its purpose is to set forth permitting standards "as the statewide minimum standard"; its roofing section, 14.5.2.8(E), requires permits and inspections for all re-roofs including "decking inspection upon removal of existing roof" - the same two-inspection shape Las Cruces enacted for itself in Section 30-428. The 2025 Development Code and the 2025 Technical Manual (both linked from the City's permits page) govern zoning and site standards and do not alter the Chapter 30 building-permit process.

Las Cruces codifies its re-roof inspection schedule - it is one of the few jurisdictions in the corpus whose reroof inspections are set out in the municipal code itself rather than in a counter handout. Section 30-428 of the Las Cruces Municipal Code (Inspections), inside DIVISION 9 - REROOF PERMIT AND INSPECTION PROCESS, prescribes two inspections for every re-roof, verbatim: "(1) Decking inspection. After tear-off of existing roofing material and before new base sheet is installed. This is to ensure that existing decking is not rotten or otherwise damaged. (2) Final inspection. After completion of reroof, to ensure proper installation in accordance with the International Building Code." The building official "may make or require other inspections of any construction work to ascertain compliance". Requests must be filed "at least one working day before such inspection is desired"; the City directs that inspection requests go through the Accela Citizen Portal or to [email protected], and notes that "Inspections cannot be requested until a Permit has been issued." Section 30-428(b) adds that "Work shall not be done beyond the point indicated in each successive inspection without first obtaining approval," and any non-complying portion "shall not be covered or concealed until authorized by the building inspector." An inspection record card must be posted and kept available until final approval (Section 30-428(c)); a $30.00 reinspection fee may be assessed for premature or inaccessible inspections (Section 30-428(d)); and the job closes with a certificate of completion under Section 30-429.

Las Cruces adopts the state-amended codes by ordinance and keeps its own administration. Section 30-721(A) of the Las Cruces Municipal Code provides that "The following constitute, or are adopted by reference, as rules, regulations, and/or standards of the city building code and as further amended by this rule:" and lists, at item (1), the "2021 International Building Code, as adopted by NMAC 14.7.2.8-14.7.2.45 (effective 7-14-23)" and, at item (2), the "2021 International Residential Code, as adopted by NMAC 14.7.3.8-14.7.3.28 (effective 7-14-23)", in each case "excluding" an enumerated list of subsections. The exclusions are confined to the state rules' administrative provisions - for the residential code they are subsections of 14.7.3.9 (the state's IRC Chapter 1 scope-and-administration amendments), 14.7.3.10, 14.7.3.11(G) and a sprinkler-design allowance at 14.7.3.22 - because Las Cruces substitutes its own administration: Section 30-722(B) excludes IRC Sections R101, R103, R104, R105 (Permits), R106, R109 (Inspections), R110, R112 and R319 "in its entirety and see Chapter 30, LCMC 1997, as amended." So the operative arrangement is the same stack as elsewhere in New Mexico - the 2021 IRC as amended by 14.7.3 NMAC, whose 14.7.3.8 ADOPTION section reads, verbatim, "This rule adopts by reference the 2021 International Residential Code, as amended by this rule," and whose 14.7.3.6 OBJECTIVE makes it a floor: "The purpose of this rule is to establish minimum standards for the general construction of residential buildings in New Mexico" - but permitting, inspections and enforcement run under Chapter 30 LCMC rather than under the state administrative rules. The City's substantive amendments in Section 30-722 are few: its own filled-in Table R301.2(1) of climatic and geographic design criteria, a strengthened termite-barrier provision at R318, and an on-site sanitation rule at IBC 3305. Neither Section 30-721 nor Section 30-722 amends the IRC roofing chapters, so the state roofing amendments at 14.7.3.17 NMAC are the operative roofing text in Las Cruces. Section 30-721(A) also adopts the 2021 International Existing Building Code as adopted by NMAC 14.7.7, the 2018 IECC as adopted by NMAC 14.7.6/14.7.9, the 2020 National Electric Code, the 2021 Uniform Plumbing and Mechanical Codes and the 2021 International Property Maintenance Code, among others, and Section 30-721(B) keeps "True and correct copies of the codes, specifications and standards comprising the building code for the city, as amended... on file and available for public examination during normal business hours of the city at the Community Development Department, City Hall, located at 700 N. Main Street."

Not required — Earned from the City's own enacted design table. The state rule hands this row to the AHJ - 14.7.3.11(A)(1) NMAC amends footnote f of IRC Table R301.2 so that "The authority having jurisdiction shall fill in this part of the table" - and Las Cruces filled it in by ordinance: the Table R301.2(1) printed at Section 30-722(B)(10) of the Las Cruces Municipal Code enters "No" in the "Ice Barrier Underlayment" column. That is an explicit negative in the City's own completed table, not an inference from climate. Neither Chapter 30's building-standards division (Sections 30-721 and 30-722, the City's complete code-adoption and amendment instrument) nor 14.7.3 NMAC imposes an ice-barrier requirement elsewhere. About ice & water barrier

Required — Required by the City's own ordinance, not merely by state rule. Section 30-428(a)(1) of the Las Cruces Municipal Code, inside DIVISION 9 - REROOF PERMIT AND INSPECTION PROCESS, prescribes, verbatim: "Decking inspection. After tear-off of existing roofing material and before new base sheet is installed. This is to ensure that existing decking is not rotten or otherwise damaged." That is an in-progress inspection between tear-off and dry-in, on every permitted re-roof, followed by a separate final inspection under Section 30-428(a)(2). Work may not proceed past an inspection point without approval (Section 30-428(b)). The state's separate permits rule points the same way for CID-administered jurisdictions - 14.5.2.8(E)(3) NMAC requires "decking inspection upon removal of existing roof" - but Las Cruces is self-administering, and this requirement is earned from the City's own code.

Not required — Earned at both layers that reach Las Cruces residential roofing. CITY LAYER: the City's complete building-standards instrument - Chapter 30 of the Las Cruces Municipal Code, Article II, DIVISION 17 - BUILDING STANDARDS, comprising Section 30-721 (the full adopted-code list, items (A)(1) through (A)(23)) and Section 30-722 (the City's section-by-section amendments to the adopted codes) - was read in full, and no provision in it addresses impact resistance, UL 2218 or Class 4 roofing. The City's amendments are confined to administration (IBC/IRC Chapter 1 sections replaced by Chapter 30 LCMC), its Table R301.2(1) design criteria, a termite-barrier addition at R318, a site-address exclusion at R319 and an on-site sanitation rule at IBC 3305; the IRC roofing chapters are untouched, so there is no local instrument in which such a requirement could sit. The City's own reroof division (Sections 30-426 through 30-429) specifies process and inspections, not materials. STATE LAYER: the 2021 New Mexico Residential Building Code, 14.7.3 NMAC, contains no UL 2218, Class 4 or impact-resistance provision; its Chapter 9 amendments at 14.7.3.17 NMAC concern tear-off, reglets and flashing, canales and scuppers, and taper board, and impose no impact-resistance requirement. Neither layer requires impact-resistant roofing in Las Cruces.

No dollar threshold and no roofing exemption - Las Cruces works from a codified exempt-work list, and roofing is not on it. Section 30-722(B)(4) of the Las Cruces Municipal Code excludes IRC Section R105 (Permits) "in its entirety", so the IRC's own exempt-work list does not operate in Las Cruces; the City's list is Section 30-201 (Exempt building permits), which sets out twelve categories: oil derricks; movable cases, counters and partitions not more than five feet nine inches in height; water tanks at grade up to 5,000 gallons; platforms, sidewalks and driveways not more than 30 inches above grade; "Painting, papering, floor covering, and similar finish work"; temporary stage sets; window awnings projecting not more than 54 inches on single-family, duplex and accessory buildings; prefabricated above-ground swimming pools under 24 inches deep; exterior replastering not requiring new lath; fences or walls not over six feet meeting listed conditions; one-storey detached accessory buildings under 120 square feet; and minor movable structures such as dog houses. No roofing category appears in the list and no dollar value is attached to any of it. A re-roof instead has its own dedicated permit process: DIVISION 9 - REROOF PERMIT AND INSPECTION PROCESS (Sections 30-426 through 30-429), which requires an application carrying "property owner's signature, contractor's name and license number", a "Complete write-up of work to be performed to include square footage of building and full construction valuation" and an inspection fee (Section 30-427). Section 30-201 closes with the standard caution that "Exemption from the building permit requirements of this article shall not be deemed authorization for any work in violation of the provision of this code or any other laws or ordinances within the City Jurisdiction." Fees follow the fee schedule adopted by the city council under Section 30-138.

Las Cruces fills in its own Table R301.2(1), which is exactly what the state code contemplates - 14.7.3.11(A)(1) NMAC amends footnote f of IRC Table R301.2 to read, verbatim, "The authority having jurisdiction shall fill in this part of the table with the seismic design category determined from Section R301.2.2.1 or information from the U.S.G.S. software Design Values for Buildings found online." Las Cruces filled it in by ordinance: Section 30-722(B)(10) of the Las Cruces Municipal Code prints "TABLE R301.2(1) CLIMATE AND GEOGRAPHIC DESIGN CRITERIA" with the following values as printed: Ground Snow Load 5 psf; Wind Design Speed (mph) 115, Topographic Effects "No", Wind-borne debris zone "No"; Seismic Design Category C; Subject To Damage From - Weathering "Negligible", Frost Line Depth 6", Termite "Moderate-Heavy"; Winter Design Temp 18; Ice Barrier Underlayment "No"; Flood Hazard "See flood map"; Air Freezing Index 134; Mean Annual Temp 58.3. The governing wind figure for roof design in Las Cruces is therefore a 115 mph design wind speed with no topographic wind speed-up and no wind-borne debris zone, Seismic Design Category C, a 5 psf ground snow load and a 6-inch frost line depth. The same table is the source of this record's ice_water_shield_required value.

Two existing layers maximum, plus four mandatory tear-off triggers - the statewide New Mexico rule, which reaches Las Cruces because Section 30-721(A)(2) of the Las Cruces Municipal Code adopts the "2021 International Residential Code, as adopted by NMAC 14.7.3.8-14.7.3.28" and its exclusions are confined to the state rule's administrative subsections; the roofing amendments at 14.7.3.17 NMAC are adopted intact. 14.7.3.17 NMAC ("CHAPTER 9 ROOF ASSEMBLIES: See this chapter of the IRC except as provided below") deletes IRC Section R908.3 and substitutes, verbatim: "New roof coverings shall not be installed without first removing existing roof coverings where any of the following conditions occur: (1) The existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing. (2) The existing roof covering is wood shake, slate, clay, cement, or asbestos-cement tile. (3) The existing roof has two or more applications of any type of roof covering. (4) Where pumice or other granular fill are present, the material must be removed prior to installing a new roof." Condition (3) is the layer limit; conditions (2) and (4) are New Mexico-specific tear-off triggers. Las Cruces adds nothing on top: neither Section 30-721 nor the amendments in Section 30-722 touch the IRC roofing chapters, and Chapter 30 contains no layer or recover provision of its own.

8.39% total gross receipts tax rate, GRT Location Code 07-105 (Las Cruces, Dona Ana County), for the current semiannual edition effective July 1, 2026 through June 30, 2027. New Mexico levies no sales tax; it levies a gross receipts tax on the seller's receipts. The New Mexico Taxation and Revenue Department states, verbatim, that "Gross receipts tax (GRT) is imposed on businesses, but it is common for a business to pass the GRT on to the purchaser," and that the "GRT rate varies throughout the state because the total rate combines the rates imposed by the state, counties, and municipality for each location." The Department directs that "businesses will use the location code and tax rate corresponding to the location where their goods or the product of their service are delivered," so the applicable code and rate follow the location of the roof, not the contractor's office. Las Cruces also carries several special districts with their own location codes - the Downtown TIDD (07-132) and six TIF/MRA districts (07-701 through 07-706) - but in the current edition every one of them prints the same 8.39% total rate as the base city code, and the City's own GRT page confirms: "The Gross Receipts Tax rate remains 8.3900%." A job inside one of those districts files under the district's location code at the same rate. Rates are keyed to GRT Location Codes and reissued semiannually on January 1 and July 1 vintages; the figures above are the July 1, 2026 - June 30, 2027 edition.