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Greeley, CO Accessory Structures: ADU Impact Fees (2026)

Light Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Water tap
No separate tap if shared, code-compliant
Sewer line
No separate line if shared, code-compliant
ADU standard cited
§ 24-403(b)
General impact fee
Still applies to new sq. footage
Governing sections
§§ 20-252(a)(1), 20-299(a)(1)

Summary

Greeley waives the separate water tap and sanitary sewer connection required of new dwellings when an accessory dwelling unit shares its principal home's taps and meets the ADU standards in § 24-403(b).

An accessory dwelling as defined under section 24-403(b) does not require a potable water tap and service line separate from the principal dwelling if it complies with all standards established under that section and any other requirement under title 24.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Municipal Code: Supplement 6 Update 1).

Full Breakdown

Greeley Municipal Code §§ 20-252(a)(1) and 20-299(a)(1) exempt an accessory dwelling unit built to § 24-403(b) standards from needing its own potable water tap and sanitary sewer line, so the unit avoids a second water and sewer plant investment fee as long as it shares the principal dwelling's connections. This is not a blanket ADU impact-fee waiver: Chapter 15 of Title 6 still applies the city-wide development impact fee (transportation, storm drainage) to new heated living space, ADU included, unless another exemption in § 6-1011 applies, e.g., an unoccupied detached accessory that adds no impact.

Violations & Fines

Installing a separate water tap or sewer line for an ADU without qualifying under § 20-252(a)(1)/§ 20-299(a)(1) triggers the standard plant investment fee for that connection before service is approved.

Frequently Asked Questions

Does Greeley waive impact fees for an ADU?
It waives the second water tap and sewer connection fee if the ADU shares the principal home's taps and meets § 24-403(b) standards; the city's broader development impact fee can still apply.
What section covers ADU utility fee exemptions in Greeley?
Greeley Municipal Code §§ 20-252(a)(1) (water) and 20-299(a)(1) (sewer), both keyed to the ADU standards in § 24-403(b).

Sources & Official References

Other rules in Greeley

Noise Ordinances: Construction HoursSome RestrictionsADU RulesSome RestrictionsShed & Carport RulesSome RestrictionsParking Rules: RV & Boat ParkingSome RestrictionsParking Rules: Commercial & Oversized VehiclesSignificant RestrictionsParking Rules: Loading ZonesSome RestrictionsFence Regulations: Retaining WallsSome RestrictionsFence Regulations: Material RestrictionsSignificant Restrictions

All Greeley rules

Compare Greeley to another location·View the Colorado accessory structures overview

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