Jefferson County, CO Building Setbacks & Zoning: Structure Height Limits (2026)
Key Facts
- R-1 primary height
- 35 feet
- R-2 primary height
- 30 feet
- Accessory structures
- 25 feet maximum
- Multi-family (R-3A, R-4)
- Up to 45 feet
- Exempt features
- Chimneys, water towers, spires
Summary
In most Jefferson County residential districts the primary-structure height limit is 35 feet; R-2 is 30 feet, and accessory structures are capped at 25 feet. Multi-family structures reach 45 feet in R-3A and R-4. Chimneys, water towers and similar features are exempt.
The height limitations established for any zone district, except Planned Development, shall not apply to chimneys, stacks, water towers, grain elevators, silos, elevators, monuments, dome spires, belfries, hangars and accessory symbols of government, religious, fraternal and civic organizations when attached to the respective building.
Full Breakdown
Section 30 tables the primary-structure height per district: 35 feet in R-1, R-1A, R-1B, R-1C, R-3, R-3A, R-4 and the RR districts, 30 feet in R-2, and 80 feet in RR-1/4. Multi-family structures may reach 45 feet in R-3A and R-4. All other accessory structures are limited to 25 feet, and never more than the height of the primary structure. Section 2.L exempts chimneys, stacks, water towers, silos, elevators, monuments, spires and belfries (except in Planned Development) from the district height limits.
Violations & Fines
Exceeding the district height limit is a zoning violation requiring a variance or correction; building permits are reviewed against these caps before approval.
Frequently Asked Questions
How tall can my house be?
Does a chimney or antenna count toward the height limit?
Sources & Official References
Other rules in Jefferson County
Compare Jefferson County to another location·View the Colorado building setbacks & zoning overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.