This area is served by 21 utility providers across 5 categories. The average residential electricity rate here is 11.4¢/kWh. 58.6% of households use natural gas as their primary heating fuel.
Utility rates in ZIP 21237 vs. US average
Typical monthly utility bills in ZIP 21237
Figures from U.S. Census ACS 5-year estimates, reflecting households that pay utilities separately from rent. In dense urban areas where heat or hot water is often included in rent, these numbers represent the subset of residents who pay directly.
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Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 21237?
Contact each provider separately before your move-in date. Start with electric (Baltimore Gas & Electric Co) and gas (Baltimore Gas And Electric Co, (800) 685-0123) 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 do utility rates in 21237 compare to the national average?
Residential electricity in Rosedale, MD averages 11.4¢/kWh, about 31% below the US average of 16.5¢/kWh and 36% below the Maryland state average of 17.9¢/kWh. Natural gas in Maryland averages $16.14/Mcf, about 11% above the national average. Actual monthly bills vary by home size, insulation, and season. Local rates from NREL; state and US averages from EIA Form 861 (2024); natural gas prices from EIA Form 176 (2024).
Is electricity expensive in 21237?
No — electricity in Rosedale, MD costs about 31% less than the national average. Compared to Maryland overall, rates here are about 36% lower. Local rates from NREL (2023); state and US averages from EIA (2024).
What internet providers are available in 21237?
Rosedale, MD has strong broadband coverage. Providers include AT&T (Fixed Wireless up to 100 Mbps), Allied Telecom Group LLC (Cable up to 600 Mbps), Fusion (DSL up to 50 Mbps), Lightpath (Fiber up to 10,000 Mbps), T-Mobile (Fixed Wireless up to 100 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 21237 in?
ZIP code 21237 is in Baltimore County, Maryland.
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. Local electric rates are based on 2023 NREL Utility Rate Database data; state and US averages are from EIA Form 861 (2024). 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: May 2026.