Castle Rock, CO Local Ordinances Guide

Castle Rock, Colorado may not be the biggest city in the state, but it has its own set of local rules that residents need to follow. With 52 tracked ordinances across 16 categories, there is more here than you might expect.

Home Business

Zoning & Home Occupation Permits: Castle Rock caps a home occupation at the occupants plus not more than one nonresident employee, limits the business to 20% of the home's floor area (max 300 sq ft), and restricts on-site retail. A home occupation business license is required..

Also covered: Cottage Food Operations (moderate), Signage Rules (moderate). See the full home business guide for Castle Rock for details.

Building Setbacks & Zoning

Setback Rules: In the R-1 single-family district, the minimum front yard is 25 feet, minimum rear yard is 25 feet for principal buildings, and minimum side yard is 7 feet. Accessory buildings have smaller rear/side setbacks..

Also covered: Structure Height Limits (moderate), Lot Coverage Limits (moderate). See the full building setbacks & zoning guide for Castle Rock for details.

Noise Ordinances

Quiet Hours: Castle Rock's noise code (Chapter 9.16) makes it unlawful to create a noise disturbance. Radios, TVs and instruments may not be audible 100 feet away, nor through a shared party wall.

Also covered: Construction Hours (moderate), Amplified Music & Outdoor Sound (moderate), Barking Dogs (moderate). See the full noise ordinances guide for Castle Rock for details.

Short-Term Rentals

Taxes & Fees: Castle Rock imposes a 6% lodging tax on all sales of lodging, effective January 1, 2022, in addition to the Town's 4.2% sales tax. Short-term rental operators must collect and remit both..

Also covered: Short-Term Rental Permits (moderate). See the full short-term rentals guide for Castle Rock for details.

Outdoor Cooking

Smoker Rules: Backyard smokers are treated like other manufactured cooking devices and need no burn permit when using gas, charcoal, or clean seasoned wood. Electric and gas-fueled smokers stay legal even under Stage 2 fire restrictions.

Also covered: BBQ & Propane Rules (moderate). See the full outdoor cooking guide for Castle Rock for details.

Parking Rules

Overnight Parking: Castle Rock has no blanket overnight on-street parking ban for ordinary passenger vehicles. However, large vehicles (10,000+ lb trucks, trailers, semitrailers, tractors) may not park on residential rights-of-way between 10:00 p.m.

Also covered: RV & Boat Parking (moderate), Street Parking Limits (moderate), Commercial & Oversized Vehicles (moderate). See the full parking rules guide for Castle Rock for details.

Fire Regulations

Outdoor Burning: Open burning within Castle Rock requires a written permit from the Fire Department, except contained backyard cooking or warming fires. Permitted open fires must be at least 50 feet from any structure.

Also covered: Wildfire Zones (moderate), Smoke Detectors (moderate), Fireworks (moderate). See the full fire regulations guide for Castle Rock for details.

Fence Regulations

Height Limits: Beyond height, Castle Rock requires buffer fencing where commercial or industrial uses abut homes, and screening fences to conceal outdoor storage. Front-yard fences should be at least 50% open, and sight triangles must stay clear..

Also covered: Material Restrictions (moderate). See the full fence regulations guide for Castle Rock for details.

Animal Ordinances

Chickens & Livestock: Castle Rock allows up to eight chickens or ducks (cumulative) on lots up to two acres, and up to twelve on lots over two acres. Only hens/female ducks are allowed; roosters and drakes are prohibited.

Also covered: Dog Leash Laws (moderate), Beekeeping (moderate), Pet Limits (moderate). See the full animal ordinances guide for Castle Rock for details.

Property Maintenance

Vacant Lot Maintenance: Vacant and undeveloped lots in Castle Rock must be kept clear of tall weeds and debris just like occupied properties. Weeds may not exceed 12 inches in height at any time during the year, and accumulation of rubbish or solid waste is prohibited on the parcel..

Also covered: Property Blight (moderate). See the full property maintenance guide for Castle Rock for details.

Landscaping Rules

Weed Ordinances: Castle Rock caps weed and grass height at 12 inches. Under Municipal Code 8.12.030, properties may not be overgrown with grass or weeds exceeding 12 inches at any time during the year.

Also covered: Rainwater Harvesting (moderate), Tree Trimming (moderate), Water Restrictions (moderate). See the full landscaping rules guide for Castle Rock for details.

Trash & Recycling

Pickup Rules & Schedules: The Town of Castle Rock does not provide trash or recycling collection. Residents in an HOA may receive service through the association, while everyone else must contract directly with a private hauler such as Waste Management or a local trash company..

Also covered: Bin Placement Rules (moderate), Recycling Requirements (moderate), Illegal Dumping (moderate). See the full trash & recycling guide for Castle Rock for details.

Sign Regulations

Political Signs: In residential Castle Rock you may place one sign on your own property, no larger than 6 square feet and no more than 4 feet in height. Signs may not be placed in the public right-of-way or on Town-owned property at any time, and such signs are removed and disposed.

Also covered: Garage Sale Signs (moderate). See the full sign regulations guide for Castle Rock for details.

Garage & Yard Sales

Frequency, Duration & Permits: Castle Rock does not require a permit for a residential garage sale, but sign placement is strictly regulated. Signs, including garage-sale signs, may not be placed in the public right-of-way at any time, and property maintenance standards still apply during and after the sale..

Accessory Structures

ADU Rules: Castle Rock allows accessory dwelling units, but no more than one ADU per lot. Before a building permit issues, the owner must record a deed restriction barring rental of both the primary home and the ADU at the same time, and no separate water/sewer taps are permitted..

Curfew Laws

Park Curfew: Castle Rock town parks are generally open 5 a.m. to 11 p.m.; use of a closed area or park is prohibited.

What to Do With This Information

Whether you are renting, buying, or renovating in Castle Rock, knowing the local rules upfront saves headaches later. Dig into the individual ordinance pages linked above for the complete picture, including fines and exemptions.