Propane Atlas

Propane in Castle Rock

23 propane locations in Castle Rock, CO.

Of the 23 propane locations listed in Castle Rock, 23 offer tank exchange.

Nearby cities in Colorado with listed propane: Castle Pines (2 locations, about 4 mi), Parker (24 locations, about 10 mi) and Highlands Ranch (19 locations, about 11 mi).

23 locations

7-Eleven

810 North Wilcox Street, Castle Rock, CO

Tank Exchange

Jack in the Box;Blue Rhino

27 Wolfensberger Road, Castle Rock, CO

Tank Exchange

Tank exchange in Castle Rock (21)

Stores listed by the exchange brands' own retailer locators as carrying swap cages for grill-size cylinders. A listing is not a stock check, so call ahead if you need a tank at a particular hour.

Alta Convenience #6104

800 S. Wilcox St, Castle Rock, CO 80104

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Crystal Valley Wine & Spirits

484 Crystal Valley Pkwy Unit 101, Castle Rock, CO 80104

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Home Depot

333 Allen St, Castle Rock, CO 80104

Tank Exchange · AmeriGas

Listed by AmeriGas as a 24/7 self-serve exchange.

Directions About Home Depot exchange

Listed in AmeriGas's exchange locator, checked Sep 27, 2026.

King Soopers #091

7284 Lagae Road, Castle Rock, CO 80108

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

King Soopers #125

5544 Promenade Parkway, Castle Rock, CO 80108

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

King Soopers #132

750 North Ridge Road, Castle Rock, CO 80104

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

King Soopers Fuel Center #091

7296 Lagae Road, Castle Rock, CO 80108

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

King Soopers Fuel Center #125

5544 -A Promenade Parkway, Castle Rock, CO 80108

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

King Soopers Fuel Center #132

750-A North Ridge Road, Castle Rock, CO 80104

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Loaf N Jug #011

4901 North Castleton Dr., Castle Rock, CO 80101

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Moore Lumbar & Hardware #16598

1335 Park Street, Castle Rock, CO 80109

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Murphy #6665

186 Metzler Drive, Castle Rock, CO 80108

Tank Exchange · Blue Rhino

Directions

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

United Pacific #6534

238 W Allen St, Castle Rock, CO 80108

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Before you go

Refill vs. Tank Exchange: What You Actually Get

Exchange trades a tank; refill sells you gas by the gallon. The difference in what you get home with is larger than most people expect.

When Does a Propane Tank Expire?

Twelve years from the date stamped on the collar, then a requalification interval that depends on the test method. An out-of-date cylinder cannot legally be refilled.