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Building Setbacks & Zoning in Westminster, CO (2026)

3 verified building setbacks & zoning rules for Westminster, Colorado, sourced directly from the municipal code and official government pages.

Verified from official government sources

Setback Rules

Westminster's Density Schedule sets a 30-foot front setback in the RE, R1 and RA districts, dropping to 25 feet in R3, R4 and T1. Interior side setbacks run 5 to 7 feet, with a 12-to-20-foot combined-sides minimum, and rear setbacks are a flat 20 feet across every residential district. The City Manager may shave up to 10 percent off any setback.

Westminster Yard Setback Minimums by Zone

Some Restrictions

Westminster Municipal Code § 11-4-5 (Density Schedule)

DENSITY SCHEDULE RE R1 RA R2 R3 R4 R5 T1 B1 C1&C2 M1 O1 Minimum Front Setback — Principal Building: 30′ 30′ 30′ 30′ 25′ 25′ (d) 25′ 30′ 30′ 30′ 30′ Minimum Side Setback; Interior Lot — Principal Building: 7′ 5′ 5′ 5′ 5′ 5′ (d) 5′ (b) (b) 40′ 30′ Minimum Rear Setback — Principal Building: 20′ 20′ 20′ 20′ 20′ 20′ (d) 20′ (c) (c) (c) 30′

Structure Height Limits

Westminster caps principal residential buildings at 25 feet in the RE, R1, RA, R2 and O1 districts, rising to 35 feet in R3, R4 and T1. Accessory buildings top out at 15 feet in every residential zone. Business and industrial districts B1, C1&C2 and M1 allow up to 65 feet, and the City Manager may add up to 10 percent more.

Westminster Residential Building Height Limits

Some Restrictions

Westminster Municipal Code § 11-4-5 (Density Schedule, Maximum Building Height)

DENSITY SCHEDULE RE R1 RA R2 R3 R4 R5 T1 B1 C1&C2 M1 O1 Maximum Building Height — Principal Building: 25′ 25′ 25′ 25′ 35′ 35′ (d) 35′ 65′ 65′ 65′ 25′ Maximum Building Height — Accessory Building 15′ 15′ 15′ 15′ 15′ 15′ 15′ 15′ 15′ 15′ 15′ 35′

Lot Coverage Limits

Westminster caps the principal building's footprint at 30 percent of total lot area in every residential zoning district, from RE through T1. In the O1 (Open) district, the ceiling drops sharply to just 5 percent, reflecting that district's intended low-density, open-space character.

Westminster Maximum Lot Coverage Limits

Some Restrictions

Westminster Municipal Code § 11-4-5 (Density Schedule, Maximum Lot Coverage)

DENSITY SCHEDULE RE R1 RA R2 R3 R4 R5 T1 B1 C1&C2 M1 O1 Maximum Lot Coverage; Percent of Total Area — Principal Building: 30% 30% 30% 30% 30% 30% (d) 30% (a) (a) (a) 5%

Looking for Adams County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Westminster city rules.

Building Setbacks & Zoning in Adams County