Building Setbacks & Zoning in Upper Darby, PA (2026)
3 verified building setbacks & zoning rules for Upper Darby, Pennsylvania, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Upper Darby's R-1 zoning district requires a 25-foot minimum front yard, a 10-foot minimum side yard (25 feet aggregate), and a 20-foot rear yard, per the development-standards table in Code § 550-10. The R-2 district drops those minimums to 20, 10 (22 feet aggregate), and 20 feet respectively.
Upper Darby Residential Yard Setback Minimums
Some RestrictionsUpper Darby Code § 550-10, Table 4-1
Minimum front yard (feet) *35 *35 *25 *20 Minimum side yard (feet) 35 aggregate; 15 feet minimum 35 aggregate; 15 feet minimum 25 aggregate; 10 feet minimum 22 aggregate; 10 feet minimum Minimum rear yard 30 feet 30 feet 20 feet 20 feet
Structure Height Limits
Upper Darby caps single-family detached homes at 35 feet in every base residential district: R-C, R-C-1, R-1 and R-2. Table 4-1 of the zoning ordinance sets the same ceiling regardless of lot size, so a 5,000-square-foot R-2 lot faces the identical 35-foot limit as a 20,000-square-foot R-C estate lot.
Upper Darby residential building height cap
Some RestrictionsUpper Darby Code § 550-10 (Table 4-1)
§ 550-10. Single-family detached residential district development standards. The following lot, area and bulk standards shall be required for every building or structure hereinafter erected, altered or used in the R-C, R-C-1, R-1, and R-2 Zoning Districts: ... Maximum building height (feet) 35 35 35 35
Lot Coverage Limits
Upper Darby's single-family bulk table caps building coverage at 25% for 15,000-square-foot R-C lots (20% for 20,000-square-foot R-C lots without sewer), 20% flat in R-C-1, and 30% in both R-1 and R-2. The cap is set by district in Table 4-1 of § 550-10, alongside minimum lot size and yard requirements.
Upper Darby single-family lot coverage limits
Some RestrictionsUpper Darby Code § 550-10 (Table 4-1)
Maximum building coverage (percent) 25% for 15,000 square feet lot; 20% for 20,000 square feet lot [R-C] 20% [R-C-1] 30% [R-1] 30% [R-2]
Looking for Delaware County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Upper Darby city rules.
Building Setbacks & Zoning in Delaware County →