McKinney, Texas Building Permits
Find McKinney, Texas building permit rules, fees, review timelines, zoning basics, code adoption, engineering triggers, climate loads, and FAQs.
Wind
ASCE 7 basic wind speed: typically 115 mph ultimate design wind speed for Risk Category II buildings in the McKinney/Collin County area; verify exposure, risk category, and adopted ASCE 7 edition for the site.
Snow Load
Ground snow load: minimal, generally about 5 psf or less in McKinney; code-required roof live load usually controls most roof designs.
Flood
McKinney participates in FEMA floodplain management. Properties near East Fork Trinity River, Wilson Creek, Towne Lake tributaries, Honey Creek, and mapped FEMA Special Flood Hazard Areas may need floodplain review. Construction in Zone AE or other mapped flood zones may require elevation certificates, flood-resistant construction, drainage studies, and floodplain development permits.
Earthquake
Seismic Design Category: typically A for ordinary structures in the McKinney area, subject to site class, risk category, and ASCE 7 seismic calculations.
Wildfire
Wildfire risk is generally low to moderate in developed neighborhoods, with higher grassland or brush exposure at rural edges, creek corridors, and open-space areas. McKinney typically relies on adopted fire code requirements for access, fire lanes, hydrants, vegetation, and emergency response rather than a citywide Wildland-Urban Interface code.
Building Department
City of McKinney Development Services - Building Inspections Department.
Approval Timeline
Residential trade permits may be issued same day to a few business days if the application is complete. Residential remodels, patio covers, pools, additions, and accessory buildings commonly take about 1 to 3 weeks for first review. New single-family homes may take about 1 to 2+ weeks depending on workload and subdivision conditions. Commercial finish-outs often take 2 to 4 weeks for initial review, while new commercial construction, restaurants, multifamily, industrial buildings, and projects requiring civil, fire, or floodplain review may take 4 to 8+ weeks plus resubmittal time.
Common Requirements
Common residential requirements include a completed application, project valuation, contractor registration, site plan or survey, floor plans, foundation and framing details, elevations for exterior changes, MEP information, energy code documentation, and product specifications when applicable. Pools require barrier, electrical bonding, site, and drainage information. Commercial projects usually require sealed architectural and engineering plans, code analysis, occupancy and construction type, occupant load, egress and life-safety plans, accessibility/TAS information, energy compliance, MEP plans, fire alarm or sprinkler drawings if applicable, civil/site plans, drainage reports, utility plans, and health department information for food or medical uses.
Zoning Information
McKinney regulates development through zoning districts, planned development districts, historic district standards, overlay districts, subdivision rules, and site development requirements. Zoning review addresses allowed uses, setbacks, height, lot coverage, parking, landscaping, screening, accessory structures, signs, and design requirements. Projects in the historic downtown area or historic overlay may require additional review before building permits are approved.
Permit Costs
McKinney permit fees vary based on permit type, valuation, plan review, and required inspections. Minor trade permits may be about $50 to $200+. Residential remodels, fences, pools, patio covers, additions, and accessory structures may range from about $100 to $1,000+ depending on scope. New homes and commercial projects frequently cost several hundred to several thousand dollars or more. Additional fees may apply for plan review, fire review, certificates of occupancy, impact or utility-related fees, reinspection fees, and after-hours inspections. Applicants should use the current City of McKinney fee schedule for exact pricing.
Engineering Requirements
Sealed engineering is typically required for commercial construction, structural changes, engineered foundations, additions, retaining walls, large beams or headers, removal of load-bearing walls, steel or engineered wood systems, non-prescriptive residential designs, stormwater and drainage plans, and unusual site conditions. McKinney projects often need foundation design attention because of expansive North Texas clay soils. Commercial drawings generally need Texas-licensed architect and engineer seals as required by state law and city review policies.
Local Code Adoption
McKinney has adopted recent International Codes with local amendments, generally including the 2021 International Building Code, 2021 International Residential Code, 2021 International Fire Code, 2021 International Energy Conservation Code, related plumbing/mechanical/fuel gas codes, and the 2020 National Electrical Code. Verify current code editions and amendments with City of McKinney Building Inspections before design or submittal.
Typical Projects
Common McKinney permit projects include new single-family homes, additions, patio covers, pools and spas, outdoor living areas, fences, roof replacements, solar panels, remodels, foundation repairs, historic district renovations, commercial tenant finish-outs, restaurant build-outs, medical and office interiors, warehouse and light industrial projects, signs, and certificates of occupancy.