Original Town R-M Regulations

This document is intended to aid property owners and design professionals in understanding the regulations applicable to the Medium Density Residential (R-M) Zone District in Original Town Superior. (Photo credit: Hayley Kwasniewski)

Allowed Uses

Use	Permitted	Prohibited
Single-unit detached dwellings (including modular or manufactured homes on permanent foundations)	X
Two- and multi-unit dwellings (6 or fewer units per lot )	X
Two- and multi-unit dwellings (7 or more units per lot )	X (by special use review)
Recreation vehicles (used as living quarters)		X
Mobile homes (no permanent foundation)		X
Accessory dwelling unit	X

Development Standards

Site Characteristics
Density limits	8 dwelling units per acre
Minimum lot area	6,000 sf
Minimum lot width	50'
Maximum lot coverage	40% (2,400 sf for 6,000 sf lots)
Maximum Building Height
Primary structure	32’(2-story maximum)
Accessory structure	10’ (exception, detached garages maximum of 2 stories and 32’ height)
Minimum Front Setback
From garage	20'
From living space - single unit	15' (6' encroachment allowed for porches)
From living space - two or more units	25'
Minimum Rear Setback
Principal uses and structures	20'
For detached accessory uses and structures	10'
For detached accessory uses and structures abutting street or alley	8'
Minimum Side Setback
To interior lot line - single unit	5'
To interior lot line - two or more units	10'
To abutting street or right-of-way	8'
Garage to side street where driveway parking is proposed/required	20'
Garage to side street where no driveway parking is proposed/required	6'
Creek Setback
Principal and accessory uses and structures	30'
Setback Exceptions
Maximum encroachment of architectural projections into the setback	30"
Parking Requirements1
1 or fewer bedrooms	1.5 spaces
2 bedrooms	2 spaces
3 bedrooms	3 spaces
4 bedrooms	3.5 spaces

Contact Information

Message Planning
Email Permitting and Inspections
Office: 100 Superior Plaza Way, Suite 200
Planning Phone: 720-738-8835
Building Phone: 303-381-2028
Permit Fees: 720-738-7326

Building Codes

Current Building Codes:
2018 IRC*
2021 IECC*
2023 NEC
* Owners of detached single-family homes homes lost in the Marshall Fire are eligible to rebuild under the 2018 IECC Codes and can receive an exemption from the 2018 IRC P2904 Sprinkler Code by signing Marshall Fire Rebuild Affidavit.

Permit Requirements

Application Checklist for Residential Building Permits

Further document guidance:
Grading Requirements
Plot Plan Requirements

Measuring Setbacks

Setback means the horizontal distance between a lot line and the nearest extremity of any building or structure, measured from the lot line at ground level to the face of nearest building wall (typically a foundation).