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Hampton Bays 11946
21 King Street
Photo of 21 King Street
Sold on Aug 20, 2026

34

Map

Photo of 21 King Street
Photo of 21 King Street
$720,000
● House - Off Market

21 King Street

Southampton, NY 11946
bedrooms
2 Beds
bathrooms
1 Bath
square feet
1,006 Ft²
$4,072
Est. Monthly

About This Property

Charming Hampton Bays Ranch set on a lush, shy half-acre in the heart of Hampton Bays. This home features hardwood floors throughout and a cozy fireplace with an insert, perfect for relaxing evenings. Updated kitchen. Quality Upgrades include energy efficient Anderson windows, newer oil burner with a Riello head , newer hot water heater.  and a central air conditioning system for year-round comfort.

For added space there is a full unfinished basement, and an attic, offering endless possibilities for storage or future expansion.

Enjoy the lovely gardens , outdoor shower,and a convenient carport.  Don't miss the opportunity to make this Hampton Bays gem your own.
Unit Size
1,006 Ft²
Days on Market
152 days
Land Size
0.46 acres
Price per sqft
$725
Property Type
House
Property Taxes
$492
HOA Dues
-
Year Built
1991

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Cap Rate Calculator

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Cap Rate 100% Occupancy
N/A (extreme outlier)

What does this mean?

Based on our analysis, the cap rate of this property is 1.25%. A negative cap rate indicates that the property might not be feasible as an income-producing asset. The median cap rate for a near zip code 11238 is 4.23%.

How much can I actually make?

Actual monthly rental income may vary between $4,760 and $7,140 depending on unit-specific characteristics. You can change the amount using the slider to further explore.

How is cap rate calculated?

Cap Rate = Net Operating Income (NOI) / Property Asset Value.

When calculating the cap rate, we assume 100% occupancy. Leverage (mortgage) is not considered.

Cap Rate provided by RealtyHop and RentHop, learn more about cap rate here.

Last updated: 2 months ago (OneKey MLS #KEY972485)

Price History

Date / Event Date Event Price
Aug 20, 2026 Sold
Premium
Sold
Jun 2, 2026 In contract -
In contract
Apr 30, 2026 Price Decreased $729,000
↓ $10K (1.4%)
Price Decreased
Apr 16, 2026 Price Decreased $739,000
↓ $10K (1.3%)
Price Decreased
Mar 21, 2026 Price Increased $749,000
↑ $70K (10.3%)
Price Increased
Show More

Property Highlights

Air Conditioning
Fireplace

Building Info

Overview

    General

  • Year Built: 1991
  • Effective Year Built: 1991
  • Bedroom Count: 2
  • Bathroom Count: 1
  • Full Bathrooms: 1
  • Partial Bathrooms: 1
  • Building Condition: 6
  • Building Quality: 7
  • Construction Type: 0
  • Building Style: 0
  • Exterior Walls Type: 5
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 100
  • Floor Cover: 0
  • Basement Type: 6
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 20,038
  • Total Building Area: 1,006
  • Building Area: 1,006
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 0
  • Heating: 10
  • Heated Square Feet: 1,006
  • Heating Fuel Type: 6

    Utilities

  • Sewer System: 4
  • Water Service: 2

Building

  • Building Type: 0
  • Property Class: R
  • Land Acres: 0000000460
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: N-KING ST S-RIEGER EST E-IKE W-RIEGER EST

Neighborhood

  • School District Name: Hampton Bays Union Free School District
  • School Tax School District: HAMPTON BAYS
  • Census Tract: 190603

Zoning

  • Zoning: R20

Geography

  • Account Number: 109432
  • District: 0900-2
  • Section: 294.00
  • Parcel: 0900-294.00-01.00-004.000
  • Block: 1
  • Lot: 4.000
  • Municipality: SOUTHAMPTON
  • Latitude: 40.8676
  • Longitude: -72.5214

    Address

  • Full Address: 21 King St
  • Address - House Number: 21
  • Address - Street Name: King
  • Address - Suffix Type: St
  • State: NY
  • City Name: Hampton Bays
  • Carrier Code: C006
  • 4-Digit Zip Code: 2220
  • Zip Code: 11946

Valuation

    Tax

  • Tax Year: 2023
  • Tax Amount: $543,214
  • Tax Rate Code Area: 473605

    Appraisal Valuation

  • Standard Deviation: 0.2314
  • Valuation Date: Feb 14, 2024
  • Confidence Score: 53
  • Final Value: 624,618
  • High Value: 769,195
  • Low Value: 480,040

    Market Valuation

  • Market Total Value: $506,331
  • Market Land Value: $292,950
  • Market Improvement Value: $213,381

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $351,900
  • Assessed Land Value: $203,600
  • Assessed Improvements Value: $148,300

    Sales

  • Current Sale Contract Date: Oct 24, 2008
  • Current Sale Recording Date: Oct 24, 2008
  • Current Sale Price:
    Premium
  • Current Sale Document Type: 27
Data used for valuation calculations is provided by RealtyHop, and other third party sources
Request mortgage information redaction

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Hampton Bays

Stats & Trends

Median Asking:

$999,000

Sale Price/ft²

$660

Below Asking

0.02%

Average Days on Market

100

Average Home Size

2304 ft²

Average Home Age

37.3 years

Currently For Sale

71 Listings
Based on RH Advisors, Inc. calculations of home data from MLS and/or public records.

Similar Homes for Sale

Currently no similar homes around

Nearby Rentals

Unit for rent at 16 Grant Boulevard, Hampton Bays, NY, 11946

$8,000 /mo

  • 4 Beds
  • 2 Baths
  • 2,300 ft²
16 Grant Boulevard, Hampton Bays, NY, 11946 Listing by Toni-Ann Warren
Unit for rent at 3 Foster Avenue, Hampton Bays, NY, 11946

$5,000 /mo

  • 2 Beds
  • 2 Baths
  • 1,400 ft²
3 Foster Avenue, Hampton Bays, NY, 11946 Listing by Toni Campo
Unit for rent at 58 Ocean Avenue, Hampton Bays, NY, 11946

$5,500 /mo

  • 3 Beds
  • 2 Baths
  • 1,600 ft²
58 Ocean Avenue, Hampton Bays, NY, 11946 Listing by Kristen Smyth

Rentals Near You

Click here to view more rentals in the neighborhood.
OneKey

Last Updated: 2 months ago
Data Source: OneKey MLS

Frequently Asked Questions

When was property at 21 King Street built and last sold?
The property at 21 King Street was built in 1991 and last sold on Oct 24, 2008 for $268,000.
How much is this home worth?
The estimated value of the home located at 21 King Street is $736,277.
What are some comparable homes to 21 King Street?
There are currently no comparable homes to 21 King Street.
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