R43 — Residential Estate
Minimum lot area 43,560 square feet (one acre), minimum lot width 150 feet, minimum lot depth 150 feet (Table 2-3).
Lot size and width in McKinney, TX
What the McKinney zoning ordinance says about lot size and width, district by district. Section numbers link to the official ordinance.
R12 — Residential
Minimum lot area 12,000 square feet, minimum lot width 80 feet, minimum lot depth 120 feet (Table 2-4).
R8 — Residential
Minimum lot area 8,000 square feet, minimum lot width 60 feet, minimum lot depth 100 feet (Table 2-5).
R6 — Residential
Minimum lot area 6,000 square feet, minimum lot width 50 feet, minimum lot depth 90 feet (Table 2-6).
R5 — Residential
Minimum lot area 5,000 square feet, minimum lot width 40 feet (lots under 50 feet wide must be accessed by rear alley), minimum lot depth 80 feet (Table 2-7).
R3 — Residential
Minimum lot area 3,000 square feet, minimum lot width 30 feet (lots under 50 feet wide must be accessed by rear alley), minimum lot depth 75 feet (Table 2-8). Any lot in a single-family district may use these R3 standards if platted as a small lot under TLGC Sec. 211.052.
TR1.8 — Townhome Residential
Minimum lot area 1,800 square feet, minimum lot width 22 feet, minimum lot depth 75 feet; the district allows meeting only two of the three minimum lot dimensions.
MR — Mixed Residential
Varies by housing type in Table 2-10: single-family detached 5,000 sq ft, single-family attached 1,800 sq ft, duplex 5,000 sq ft, triplex 7,500 sq ft, quadplex 10,000 sq ft; multi-family cottage and traditional show no minimum lot area (N/A).
MF36 — Multi-Family Residential
No minimum lot area (N/A). Minimum lot width 60 feet, minimum lot depth 100 feet (Table 2-11).
MHR — Manufactured Home Residential
No minimum lot area listed in the district table (N/A in Table 2-12), though the residential summary Table 2-24 lists 4,500 square feet minimum for MHR; the discrepancy between the district table and the summary table is review-gated. Minimum lot width 60 feet (district table) / 40 feet (summary table, also review-gated), minimum lot depth 100 feet (district table) / 95 feet (summary table).
C1 — Neighborhood Commercial
No minimum lot area, width, or depth (all 0 in Table 2-13).
C2 — Local Commercial
No minimum lot area, width, or depth (all 0 in Table 2-14).
C3 — Regional Commercial
No minimum lot area, width, or depth (all 0 in Table 2-15).
O1 — Office
No minimum lot area, width, or depth (all 0 in Table 2-16).
O2 — Regional Office
No minimum lot area, width, or depth (all 0 in Table 2-17).
I1 — Light Industrial
No minimum lot area or depth. Minimum lot width 50 feet (Table 2-18).
I2 — Heavy Industrial
No minimum lot area or depth. Minimum lot width 50 feet (Table 2-19).
AG — Agriculture
Minimum lot area 5 acres, minimum lot width 100 feet, minimum lot depth 0 feet (no minimum specified) (Table 2-21). Confirmed against the source table image; the earlier reading against the linear PDF text extraction had left the area/width/depth pairing ambiguous, but the table's own grid lines resolve it cleanly.
AP — Airport
No minimum lot area, width, or depth (all 0 in Table 2-22).
TMN — Traditional McKinney Neighborhood Overlay
For single-family residential lots and structures in the TMN Overlay: minimum lot area 80 percent of the underlying base district minimum, minimum lot width 90 percent, minimum lot depth 90 percent (Table 2-23).
Get the full picture for your property
Enter an address. We identify the zoning district and assemble what the ordinance says about it: permitted uses, dimensional rules, accessory structures, and the approval process.
District identification is free. The full brief is $79.