ZIP code 10542 covers Mahopac, New York in Putnam County. This area is served by 107 utility providers across 4 categories. The average residential electricity rate here is 11.9¢/kWh.
Estimated monthly utility costs
Cost data not available for this ZIP code.
Electric
Natural Gas
Water
Internet
Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 10542?
Contact each provider separately before your move-in date. Start with electric (Central Hudson Gas & Elec Corp) and gas (Central Hudson Gas And Electric, (845) 452-2000) 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.
Is electricity expensive in 10542?
No — electricity in Mahopac, NY costs about 20% less than the national average. Compared to New York overall, rates here are about 23% lower. Based on 2023 NREL residential electricity rate data.
What internet providers are available in 10542?
Mahopac, NY has broadband coverage. Providers include T-Mobile (Fixed Wireless), Verizon (Fiber / Fixed Wireless up to 2,048 Mbps), Xfinity (Cable up to 1,200 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 10542 in?
ZIP code 10542 is in Putnam County, New York.
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.