Accessory Structures in Littleton, CO (2026)
5 verified accessory structures rules for Littleton, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Littleton allows one accessory dwelling unit per lot in districts where ADUs are approved on the Land Use Matrix, but requires a recorded deed restriction before the building permit issues, bars selling the ADU separately, and prohibits manufactured homes, RVs or trailers as ADUs, under ULUC § 10-1-1.7.
Littleton Accessory Dwelling Unit Zoning Rules
Some RestrictionsLittleton Unified Land Use Code § 10-1-1.7.B.3.a-d, C.4
3. Restrictions. a. ... Deed Restrictions. ... Prior to the issuance of a building permit for an ADU, the property owner shall file in the office of the County Clerk and Recorder a declaration of restrictions to the deed for the property where the ADU will be located. It shall be unlawful for the property owner to fail to comply with the deed restrictions. ... b. ... A maximum of one (1) ADU of...
ADU Impact Fees
Littleton charges its land development impact fee on a new accessory dwelling unit, and Section 10-1-1.7 adds that each dwelling unit also pays the city's sewer tap fee. Table 1-14-3(a) prints a combined residential rate of $8,389.79 on the Single Family row and $5,817.13 on the Multiple Dwelling Unit row. Section 1-14-3(C) collects the fee when the building permit issues.
Littleton ADU Impact Fees and Sewer Tap Fees
Some RestrictionsLittleton City Code §§ 1-14-3.A-B, Table 1-14-3(a), 1-14-3.D.2.d; Unified Land Use Code § 10-1-1.7.C.3
Any person engaged in land development in the City shall pay the land development impact fee described in subsection (B) of this section. ... Land development impact fees shall be assessed and collected according to the standards of this chapter and the following rates: ... Single Family $1,237.93 $1,055.11 $801.01 $432.80 $2,247.14 $2,615.80 $8,389.79 Multiple Dwelling Unit $812.31 $692.33 $52...
ADU Rental Restrictions
Littleton allows a short-term primary rental in an attached accessory dwelling unit or the main house, but never in a detached ADU. City Code Section 3-23-10(a)(3) blocks short-term rental licensing for any detached accessory dwelling unit, whether it would serve as the primary or the non-primary unit.
Littleton Bars Short-Term Rentals in Detached ADUs
Significant RestrictionsLittleton City Code § 3-23-10(a)(3)
3. Accessory Dwelling Units. For parcels containing Accessory Dwelling Units (ADUs) the owner, if such owner is also the primary resident of the main residence, may obtain a short-term primary-rental license for the main residence only. Short term rentals are not permitted in ADUs that are detached either as the primary or non-primary unit. Only attached ADUs are allowed as applicable.
Shed & Carport Rules
Littleton requires a building permit for any accessory building, including a storage shed, that is 120 square feet or larger or over eight feet tall; smaller sheds need only a Zoning Certificate. Sheds must sit behind the principal building's front facade and generally five feet from side or rear lot lines.
Littleton Accessory Building and Shed Standards
Some RestrictionsLittleton City Code § 10-1-1.6.B
1. Permit Required. a. ... A building permit shall be required for the construction, erection, or set-up of any accessory building that is 120 square feet (floor area) or greater and/or exceeds eight feet in height measured from the grade to the peak, on any lot. b. A Zoning Certificate is required for all accessory buildings under 120 square feet and under eight feet in height. The height and ...
Tiny Homes
Littleton's Unified Land Use Code treats a tiny home community as its own residential use type, defined as single-family units of no more than 750 square feet arranged under one development plan. The Land Use Matrix caps any such community at 10 percent of a development and requires Master Development Plan approval before the city will allow one.
Littleton Tiny Home Community Standards
Some RestrictionsLittleton, CO Unified Land Use Code (ULUC) § 10-1-1.3, Table 10-1-1.3.1, Table Note 2
2. A tiny home community may occupy up to 10 percent of a development subject to Master Development Plan approval.
Looking for Arapahoe County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Littleton city rules.
Accessory Structures in Arapahoe County →