What the Princeton zoning ordinance says about setbacks, district by district. Section numbers link to the official ordinance.
Front 35 feet (reducible by up to 5 feet for covered porches, living area, and J-swing garages; front-entry garages may not encroach). Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 15 feet. Rear 30 feet.
Front 35 feet (reducible by up to 5 feet for covered porches, living area, and J-swing garages; front-entry garages may not encroach). Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 15 feet. Rear 30 feet.
Front 25 feet (reducible by up to 5 feet for covered porches, living area, and J-swing garages; front-entry garages may not encroach). Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 15 feet. Rear 25 feet.
Front 25 feet (reducible by up to 5 feet for covered porches, living area, and J-swing garages; front-entry garages may not encroach). Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 10 feet. Rear 20 feet.
Front 25 feet (reducible by up to 5 feet for covered porches, living area, and J-swing garages; front-entry garages may not encroach). Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 7.5 feet. Rear 20 feet (a one-story wing or extension may come within 15 feet of the rear lot line).
Front 25 feet (reducible by up to 5 feet for covered porches, living area, and J-swing garages; front-entry garages may not encroach). Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 8 feet. Rear 20 feet.
Front 20 feet (reducible by up to 5 feet for covered porches, living area, and J-swing garages; front-entry garages may not encroach). Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 0 feet / 10 feet (zero-lot-line side and its opposite easement side; see Sec. 82-14(c)(1)-(5) for zero-side construction rules). Rear 20 feet.
Front 20 feet (reducible by up to 5 feet for covered porches, living area, and J-swing garages; front-entry garages may not encroach). Side, street side 15 feet. Side, interior 15 feet. Rear 20 feet.
Front 25 feet. Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 15 feet. Rear 25 feet.
Front 25 feet. Side, street side 15 feet. Side, interior 10 feet. Rear 25 feet.
Front 25 feet. Side, street side 15 feet (25 feet if the garage faces a side street). Side, interior 10 feet. Rear 20 feet. Maximum density up to 16 units per gross acre.
Front 25 feet. Side, street side 15 feet. Side, interior 20 feet. Rear 20 feet. Maximum density not to exceed 24 units per gross acre (Sec. 82-19(a)).
Front 25 feet (45 feet where parking is allowed in front of the building; accessory buildings need 60 feet). Side, street side 25 feet; side adjacent to a residential lot 15 feet (no side yard required between nonresidential lots otherwise, and no windows above 10 feet on walls facing a residential district). Rear 10 feet (25 feet or 20 percent of lot depth, whichever is lesser, if adjacent to a residential lot; none required between nonresidential lots).
Front 25 feet. Side, street side 25 feet; side adjacent to a residential lot 15 feet (no side yard required between nonresidential lots otherwise, and no windows above 10 feet on walls facing a residential district). Rear none (matches the adjacent residential district's setback if adjacent to a residential lot; none required between nonresidential lots).
Front 25 feet. Side, street side 25 feet; side adjacent to a residential lot 15 feet (no side yard required between nonresidential lots otherwise, and no windows above 10 feet on walls facing a residential district). Rear none (matches the adjacent residential district's setback if adjacent to a residential lot; none required between nonresidential lots).
Front 25 feet (50 feet where the lot abuts or is across a street/alley from residential or commercial property). Side, street side 25 feet; side adjacent to a residential lot 15 feet (no side yard required between nonresidential lots otherwise, and no windows above 10 feet on walls facing a residential district). Rear none generally, but 50 feet where the lot abuts or is across a rear street/alley from a residential district (25 feet if that residential lot backs to the rear street), plus a 6-foot masonry wall on the nonresidential side.
Front 25 feet (50 feet where the lot abuts or is across a street/alley from residential or commercial property). Side, street side 25 feet; side adjacent to a residential lot 15 feet (no side yard required between nonresidential lots otherwise, and no windows above 10 feet on walls facing a residential district). Rear none generally, but 50 feet where the lot abuts or is across a rear street/alley from a residential district (25 feet if that residential lot backs to the rear street), plus a 6-foot masonry wall on the nonresidential side.
Setbacks, lot standards, building height, and coverage for a PD district are set in the granting ordinance rather than a citywide chart; get the specific PD ordinance for the property before relying on any general standard.
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