Building Setbacks & Zoning in Centennial, CO (2026)
3 verified building setbacks & zoning rules for Centennial, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
In Centennial's NC 9 Neighborhood Conservation subdistrict, a single-family detached home needs a 20 ft. front setback, a 10 ft. street side setback, a 5 ft. interior side setback, a 16 ft. total side setback (S1 + S2) and a 20 ft. rear setback, with a 30% building coverage ratio and a 30 ft. height limit under Table 12-3-301A of the Land Development Code.
Centennial NC 9 District Setbacks for Single-Family Homes
Some RestrictionsCentennial Municipal Code § 12-3-301(B); Table 12-3-301A (NC 9 district)
If a building or building expansion beyond the existing foundation is proposed in the NC5, NC6, NC9, NC12, or NI district, and it does not comply with one or more of the setback standards of Table 12-3-301A, Residential Lot and Building Standards, then the corresponding setback standards of Section 12-3-302 ... are applied instead of the standards of this Section. ... Standards. The lot and bui...
Structure Height Limits
Centennial measures building height from the average grade at the front building line to the roof's highest midpoint or top parapet; maximum heights range from 30 ft. in most NC districts up to 70 ft. in some NI subdistricts.
Centennial Building Height Limits
Some RestrictionsCentennial Municipal Code § 12-3-204(A)(1)
Building height is measured from the average existing grade across the front building line ("point of measurement"), measured at major corners of the building to [...] a. The highest midpoint of sloped roof systems; or b. The top of the highest parapet of flat roof systems.
Lot Coverage Limits
Centennial caps building coverage ratio, building footprint divided by lot area, by zoning subdistrict under Table 12-3-301A, ranging from 20% in NC 2A up to 60% for Single Family Detached-Cottage lots.
Centennial Max Lot Coverage Rules
Some RestrictionsCentennial Municipal Code § 12-3-205(A)-(B)
A. Building Coverage. Building coverage is the total of indoor floor areas taken on a horizontal plane at the main grade level of the principal building and all accessory buildings. It does not include such appurtenances as open porches, terraces, decks, driveways, and steps. All dimensions are measured between the exterior faces of building walls. B. Building Coverage Ratio. Building coverage ...
Looking for Arapahoe County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Centennial city rules.
Building Setbacks & Zoning in Arapahoe County →