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20 Surfside Ave #4B, Montauk, NY, 11954

1beds
1baths
723sqft
$749,000
$1,036price/sqft
$5,299/moest. monthly cost
$211,960/yrincome needed

About This Home

This beautifully appointed, luxury one bedroom one bath duplex apartment set on the west perimeter of this oceanfront property sports a 120 ft2 private deck, living room and kitchen on the ground floor, master bedroom with separate vanity within and full bath on the second floor. The unit shares an outdoor heated pool, two all weather tennis-pickleball courts, fitness room and full resort amenities with its neighbors in an exclusive community with strong rental program and impressive returns just a short walk to Montauk Village, shops and restaurants galore. Best value on property at its Asking Price.

Getting Around

53
WalkingSomewhat Walkable
0
TransitVery Limited Transit
48
BikeSomewhat Bikeable

Schools

7/10
Montauk SchoolGrades PK-81.0 mi

Construction

Condition

  • Year built: 1982

Type & Style

  • Home type: Cooperative
  • Property subType: Stock Cooperative

Interior

Basement

  • Basement: No

Bedrooms & Bathrooms

  • Bedrooms: 1
  • Bathrooms: 1
  • Full bathrooms: 1

Interior Area

  • Total structure area: 723
  • Total interior livable area: 723 sqft

Property

Features

  • Stories: 2
  • Private pool: Yes
  • Pool features: Heated
  • Exterior features: Tennis Court(s)
  • Has view: Yes
  • View description: Water
  • Has water view: Yes
  • Water view: Water
  • On waterfront: Yes
  • Waterfront features: Waterfront
  • Frontage type: Waterfront

Parking

  • Parking features: None

Climate Risk is Financial Risk

Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.

Biggest Threats for This Home

  • Hurricane
    HurricaneModerate
  • Inland Flooding
    Inland FloodingModerate
  • Winter Weather
    Winter WeatherModerate
  • Tsunami
    TsunamiInsufficient Data

How This Home’s Risks Compare

Hurricane
Inland Flooding
Winter Weather
Tsunami

FEMA Declared Disasters in Suffolk County and New York

Flood
Severe Storm
Snowstorm
Straight Line Winds
Tropical Storm
Winter Storm

Understanding the Costs

Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.

Estimated Costs Today

MonthlyAnnual
Mortgage $3,787$45,444
Home Insurance *$255$3,060
Property Taxes $1,011$12,132
Electricity $246$2,954
Total$5,299$63,588
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$181,680/yr
40% on housing$158,970/yr
45% on housing$141,306/yr

New York FAIR Plan Programs

New York Property Insurance Underwriting Association

Covered
WildfireWildfire
HailHail
WindWind
Visit Website →
Current Policies
Residential: 20,669Commercial: 1,556
Total Premiums$32.27M
Total Exposure$7.63B

How Costs Could Change Over Time

Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.

Insurance Growth Rate5-year average: 4.6%
4.6%
0%30.0%
Electricity Growth Rate10-year average: 7.1%
7.1%
0%15.0%
Property Taxes Growth Rate2-year average: 1.0%
1.0%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$1,036This listing

vs Other Active Listings

Avg $/sqft

ZIP 11954$1,514
Suffolk County$724

vs Homes Sold Last Month

Median $/sqft

ZIP 11954$870
Suffolk County$412

Current Market Trends

Median Price Per Square Foot

The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.

Historicals for This Listing

Zestimate History ($/sqft)

Price History

DateEventPrice
2026-07-21Listed for sale$749,000

For Sale by Agent

AgentKenneth C. Kalafut - Real Estate Sales Person
BrokerageDune Resorts Realty LLC

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