Building Setbacks & Zoning in McKinney, TX: What Residents Actually Need to Know

If you live in McKinney or are thinking about moving there, building setbacks & zoning are one of those things you probably won't think about until they affect you directly. McKinney has 3 specific rules on the books covering different aspects of building setbacks & zoning, and some of them might surprise you.

Setback Rules

McKinney residential setbacks vary by zoning district. Typical SF-5 (single-family 5,000 sf lot): 20 ft front, 7 ft side, 15 ft rear. SF-10 requires 25 ft front, 8 ft side, 20 ft rear. Corner lots have 15 ft street side-yard setback.

Key details: SF-5 Front: 20 ft. SF-5 Side: 7 ft. Rear: 15-20 ft. Corner Side: 15 ft. Shed under 120sf: 3 ft.

Contact your local code enforcement office for specific penalty information.

Structure Height Limits

McKinney limits residential structure height to 35 ft or 2.5 stories in most single-family districts. Accessory structures capped at 15 ft for sheds and 25 ft for detached garages. Commercial district heights range from 35 ft to 75 ft depending on zoning (O-1, C-1, C-2, etc.).

Key details: Residential: 35 ft / 2.5 stories. Shed: 15 ft max. Detached Garage: 25 ft. Commercial: 35-75 ft. Downtown: Historic review.

Contact your local code enforcement office for specific penalty information.

Lot Coverage Limits

McKinney single-family lot coverage limits range from 35 percent (SF-10) to 50 percent (SF-5) for all buildings combined. Impervious surface coverage (buildings plus driveways plus patios) is typically capped at 60-65 percent in residential districts.

Key details: SF-10: 35 percent. SF-5: 50 percent. Impervious: 60-65 percent. Pool Surface: Usually excluded. Review: At building permit.

Contact your local code enforcement office for specific penalty information.

The Bottom Line

McKinney's building setbacks & zoning rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming McKinney is broadly strict or permissive.

Keep in mind that McKinney can amend these rules at any council meeting. For the most current version of any rule mentioned here, check the specific ordinance page, where we track updates as they happen.