Propane Atlas

Propane in Thornton

31 propane locations in Thornton, CO.

Of the 31 propane locations listed in Thornton, 31 offer tank exchange.

Nearby cities in Colorado with listed propane: Northglenn (9 locations, about 2 mi), Federal Heights (5 locations, about 4 mi) and Westminster (23 locations, about 5 mi).

31 locations

7-Eleven

3901 East 112th Avenue, Thornton, CO

Tank Exchange

Tank exchange in Thornton (30)

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.

84th Ave Shell

680 E. 84th Ave, Thornton, CO 80229

Tank Exchange · Blue Rhino

Directions Call store

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

Ace Hardware #16307 of Thornton Corp

3851 East 120th Avenue, Thornton, CO 80233

Tank Exchange · Blue Rhino

Directions Call store

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

Alta Convenience #6105

2301 E. 88th Ave, Thornton, CO 80229

Tank Exchange · Blue Rhino

Directions Call store

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

Alta Convenience #6123

9190 Huron St., Thornton, CO 80260

Tank Exchange · Blue Rhino

Directions Call store

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

Big R of Thornton

3904 E 120th Ave, Thornton, CO 80233

Tank Exchange · Blue Rhino

Directions

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

Denos Country Store

4000 E 100th Avenue, Thornton, CO 80229

Tank Exchange · Blue Rhino

Directions Call store

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

Family Dollar #10671

10360 Colorado Boulevard, Thornton, CO 80229

Tank Exchange · Blue Rhino

Directions Call store

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

Fast Stop (1550 Gas, Inc) #2608

1550 W 88th Ave, Thornton, CO 80260

Tank Exchange · Blue Rhino

Directions Call store

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

King Soopers #024

750 E. 104Th. Avenue, Thornton, CO 80233

Tank Exchange · Blue Rhino

Directions Call store

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

King Soopers #068

3801 E. 120Th. Avenue, Thornton, CO 80233

Tank Exchange · Blue Rhino

Directions Call store

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

King Soopers #101

13700 Colorado Blvd, Thornton, CO 80602

Tank Exchange · Blue Rhino

Directions Call store

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

King Soopers #116

13525 Quebec Street, Thornton, CO 80602

Tank Exchange · Blue Rhino

Directions Call store

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

King Soopers Fuel Center #101

13700-A Colorado Blvd, Thornton, CO 80602

Tank Exchange · Blue Rhino

Directions Call store

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

King Soopers Fuel Center #116

13525 Quebec Street, Thornton, CO 80602

Tank Exchange · Blue Rhino

Directions Call store

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

Murphy's #7492

12820 Oneida Street, Thornton, CO 80602

Tank Exchange · Blue Rhino

Directions Call store

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

Murphy's #8732

14375 Lincoln St., Thornton, CO 80023

Tank Exchange · Blue Rhino

Directions Call store

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

Murphy's #8945

3905 E 104th Ave, Thornton, CO 80233

Tank Exchange · Blue Rhino

Directions Call store

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

Suncor #055

10396 Washington Street, Thornton, CO 80229

Tank Exchange · Blue Rhino

Directions Call store

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

Suncor #246

2651 E 120th Ave, Thornton, CO 80233

Tank Exchange · Blue Rhino

Directions Call store

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

Twin Star Energy #525

3690 E 104th Avenue, Thornton, CO 80233

Tank Exchange · Blue Rhino

Directions Call store

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

United Pacific #6533

691 E 120th Ave., Thornton, CO 80233

Tank Exchange · Blue Rhino

Directions Call store

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

United Pacific #6536

12780 Colorado Blvd, Thornton, CO 80241

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.