ZIP code 81621 covers Basalt, Colorado in Pitkin County. This area is served by 37 utility providers across 4 categories. The average residential electricity rate here is 13.2¢/kWh. 58.3% of households use natural gas as their primary heating fuel.
Estimated monthly utility costs
$393/month
Cost estimates from U.S. Census ACS 5-year data · Shorter bar = lower cost
Electric
Natural Gas
Water
Internet
Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 81621?
Contact each provider separately before your move-in date. Start with electric (Holy Cross Electric Assn, Inc) and gas (Rocky Mountain Natural Gas, (303) 243-3400) since those typically need a few business days to activate. Water and sewer are often handled with one call to your local utility. Set up internet last since it may require an installation visit.
How much do utilities cost per month in 81621?
Total estimated monthly costs are around $392, which is about $9 more than the national average. Electricity is the biggest expense at roughly $125/month. Natural gas runs about $225. Water and sewer combined are around $43. Costs vary by home size, usage, and season. Estimates from U.S. Census ACS data.
Is electricity expensive in 81621?
No — electricity in Basalt, CO costs about 12% less than the national average. Compared to Colorado overall, rates here are about 10% lower. Based on 2023 NREL residential electricity rate data.
What internet providers are available in 81621?
Basalt, CO has strong broadband coverage. Providers include CenturyLink (DSL up to 40 Mbps), Kellin Communications (Fixed Wireless up to 1,000 Mbps), Pathfinder (Fiber / Fixed Wireless up to 940 Mbps), T-Mobile (Fixed Wireless up to 100 Mbps), Ting (Fiber up to 1,000 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 81621 in?
ZIP code 81621 is in Pitkin County, Colorado.
Disclaimer: Provider information is sourced from federal databases including HIFLD, EPA SDWIS, FCC Broadband Data, and EIA-861. Utility cost estimates are from the U.S. Census Bureau American Community Survey 5-Year Estimates. Electric rates are based on 2023 NREL data. Coverage areas are approximate and may not reflect recent changes. Please verify directly with your provider.
Data sources: U.S. Census Bureau, NREL, EIA-861, HIFLD, EPA, FCC. Last updated: April 2026.