Reference data Use this site to research a quote. Delivered pricing varies by address.
Douglas County · Denver south metro

Propane prices in Castle Rock, Colorado

Castle Rock homes may be on standard or rural routes. Confirm which applies to your property when you ask for quotes.

Statewide benchmark for Douglas County

$2.392 / gal, week of Oct 5, 2026

This is the single EIA Colorado statewide residential average. It is not a price for Douglas County. All 64 counties share the same reference, and no county-specific price is published. It is not a live supplier quote.

What is the EIA series? EIA is the U.S. Energy Information Administration. A “series” is a sequence of measurements of the same thing over time. Here it tracks Colorado’s weekly residential propane survey average in dollars per gallon—not a city price or a supplier quote. How the data works.

Douglas County benchmark page (same statewide EIA figure).

Local recommendations

Propane companies to consider in Castle Rock

Our top pick is a starting point for comparing quotes, not a tested ranking or a guarantee of price or availability. Confirm service for your exact address.

Picked by Colorado Propane Prices

Glaser Gas & Equipment

A Kiowa-based company separate from Ed Glaser Propane in Calhan. Confirm coverage for your address.

Kiowa, ColoradoKiowa · Elbert · Parker · Castle Rock
Best for: Elbert and Douglas County homes that want a Kiowa-based comparison.Read supplier profile
Regional provider

Suburban Propane

A larger provider to compare for account terms and programs. Address-level availability varies.

Regional service networkAvailability varies by ZIP code
Best for: Homeowners who want a larger network as a comparison quote.Read supplier profile
National provider

AmeriGas

A national provider that can serve as a benchmark call. Confirm availability, fees, and timing for your address.

National service networkAvailability varies by ZIP code
Best for: Homeowners who want a national provider as a comparison quote.Read supplier profile
Local factors in Castle Rock

The address is part of the price.

Use the statewide reference as a starting point, then check the details that can change your delivered quote.

01Property location

02Tank ownership

03Seasonal demand