Landscaping Rules in Douglas County, CO (2026)

2 county-level rules, plus city-specific rules for 1 city in Douglas County, Colorado.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Douglas County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Water Restrictions

Colorado has no statewide homeowner watering ban; your water provider sets the schedule. Castle Rock Water allows outdoor watering every third day before 8 a.m. or after 8 p.m., May 1–Sept. 30. Parker Water and Denver Water run their own assigned-day rules.

Lawn watering restrictions in Douglas County

Some Restrictions

Castle Rock Water — Watering Schedule

Residential watering is permitted every third day before 8 a.m. or after 8 p.m. on your designated watering day.

Full ordinance details →Official source ↗

Native Plants

Colorado encourages xeriscape and native landscaping, and state law bars HOAs from banning xeriscape or drought-tolerant plants on yards a homeowner maintains. Douglas County and its towns set no rule requiring turf, so residents can plant native, low-water gardens.

Native and water-wise plants in Douglas County

Some Restrictions

C.R.S. 38-33.3-106.5 (SB 23-178)

A unit owners' association of a common interest community may not prohibit the use of xeriscape, nonvegetative turf grass, or drought-tolerant vegetative landscapes to provide ground covering to property for which a unit owner is responsible.

Full ordinance details →Official source ↗

Landscaping Rules by City in Douglas County

1 cities in Douglas County have their own landscaping rules rules. Each link goes to that city's dedicated page with code citations.

Castle RockPop. 73,158

4 verified rules • Rainwater Harvesting, Tree Trimming

All Douglas County ordinances

See every category we cover for Douglas County: parking, noise, fences, fires, animals, pools, and more.

Douglas County Ordinance Hub →