Mount Sinai, NY Utility & Living Guide

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Mount Sinai, NY Utility & Living Guide

Mount Sinai is a hamlet and census-designated place (CDP) located within the Town of Brookhaven, in Suffolk County, New York, United States. As of the 2020 census, Mount Sinai had a population of 11,623. The hamlet is located on the North Shore of Long Island.

Last updated: June 25, 2026
Total Utilities$305/mo
1BR Rent$1200/mo
Sales Tax7.5%
COL Index105 (+5% above national average)
Family Score6/10
Median Home$320,000
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🌤️ Live Weather — Mount Sinai
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⚠️ Natural Hazard History — Mount Sinai
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💰 Budget Calculator
🔌 Utilities
🏠 Housing
📊 Cost of Living
💰 Taxes
👨‍👩‍👧 Families
🧮 Tools

Monthly Utility Costs

⚡ Electric

$120/mo

PSEG Long Island
🔥 Gas

$50/mo

National Grid
💧 Water

$45/mo

Suffolk County Water Authority
🗑️ Garbage

$25/mo

Town of Brookhaven
📶 Internet

$65/mo

Combined Average Overhead$305/month

Housing Market

Rent & Property
1 Bedroom$1200/mo
2 Bedrooms$1600/mo
3 Bedrooms$2100/mo
Median Home Price$320,000
Property Tax Rate1.2%
Avg Childcare/mo$1000

The housing market in Mount Sinai is competitive, with a mix of single-family homes and condos. Prices have been steadily rising due to demand for suburban living near the coast.

Cost of Living

Overall COL Index

105

US national avg = 100
vs National Avg

+5% above national average

Groceries

102

Transportation

98

Healthcare

100

Childcare/mo

$1000

Tax Rates

Tax Overview
Total Sales Tax7.5%
Property Tax Rate1.2%
<p>State 4% + County 3.5% + City 0%</p>

New York State income tax ranges from 4% to 8.82% depending on income level.

Family & Relocation

Family Vibe Score
6/10
Safety Index

50

Higher = safer
School Rating

6.5/10

GreatSchools avg
Avg Childcare

$1000/mo

City Pulse

Population Trend
+3% (growing)
Political Climate
Purple, with a mix of Republican and Democratic voters
Business Momentum
Moderate, with key industries in healthcare, retail, and small businesses
Top Local Concerns
Property taxes, school funding, coastal erosion
🚌 Transit for Families

Public transit is limited, but sidewalks are generally well-maintained for stroller access.

🎡 Top Kid Attractions
  • 🎯
    Mount Sinai Harbor
  • 🎯
    Heritage Park
  • 🎯
    Mount Sinai Yacht Club

Best Neighborhoods for Families

The areas near Mount Sinai Harbor and Heritage Park are popular for families due to their proximity to schools and parks. Quiet suburban streets and good school ratings make these neighborhoods desirable.

Household Budget Calculator

Estimate your real monthly cost of living in Mount Sinai based on your household profile.

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📊 Mount Sinai — Census & Demographic Data

Official data from the US Census Bureau, American Community Survey.

💰 Median Household Income
$134,657
👤 Median Age
47.5
🏠 Homeownership Rate
96.2%
🔑 Renter Rate
3.8%
📉 Poverty Rate
2.6%
💼 Unemployment Rate
5.5%
📡 Internet Access
91.9%
🎓 College Educated
40.7%

☀️ Seasonal Utility Costs

Utility costs peak in winter due to heating needs, while summer sees moderate increases from air conditioning use. Gas bills are higher in winter, while electric bills rise slightly in summer.

🏛️ Local Tax Details

Key ZIP code level tax info: property tax millage rates vary by school district, with Mount Sinai residents paying an average of 1.2%. No local surtaxes specific to Mount Sinai county.

👶 Family & Stroller Friendliness

7/10: Sidewalks are generally well-maintained, and parks are accessible, but public transit options are limited for families with strollers.

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