When was property at 21 Bay 3rd Street built and last sold?

The property at 21 Bay 3rd Street was built in 1929 and last sold on Dec 22, 2021 for $450,000.

How much is this home worth?

The estimated value of the home located at 21 Bay 3rd Street is $591,333.

What are some comparable homes to 21 Bay 3rd Street?

There are currently no comparable homes to 21 Bay 3rd Street.

Islip

11751

Islip

21 Bay 3rd Street

Map

$599,995

● House - In Contract

21 Bay 3rd Street

Islip, NY 11751

2 Beds

1 Bath

1,188 Ft²

$3,839

Est. Monthly

About This Property

Welcome to this charming 1930 Cape Cod located mid-block in the desirable St. Marks neighborhood south of Montauk Highway. Filled with character and thoughtful updates, this home features original built-ins in the kitchen, dining room, and primary bedroom, hardwood floors in the living and dining room, and a beautifully renovated bathroom with classic octagon ceramic tile. Four energy-efficient split units provide heating and air conditioning, complemented by smart thermostats, a new gas heating system, separate hot water heater, and 200-amp electric service. Flexible bonus spaces offer the perfect home office and playroom/Den. Enjoy front and rear in-ground sprinklers, low taxes, and an unbeatable location just minutes from Islip Beach, the marina, parks, shopping, restaurants, and the Long Island Railroad. A wonderful opportunity to own a home that blends timeless charm with today's modern conveniences.

Unit Size

1,188 Ft²

Days on Market

Land Size

0.15 acres

Price per sqft

$505

Property Type

House

Property Taxes

$893

HOA Dues

Year Built

1929

Listed By

Steven Kent CBR SRES

[email protected]

Fresh Start Properties LLC

Maryann Rainone

[email protected]

Netter Real Estate Inc

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Last updated: 22 days ago (OneKey MLS #KEY1023939)

Price History

Date / Event	Date	Event
Sep 4, 2026	In contract	-
In contract
Jul 9, 2026	Listed by Netter Real Estate Inc	$599,995
Listed by Netter Real Estate Inc
Feb 7, 2022	Sold	Premium
Sold
Dec 24, 2021	Sold	Premium
Sold
Sep 30, 2021	In contract	-
In contract
Aug 24, 2021	Relisted	$449,999
Relisted
Aug 24, 2021	Price Decreased	$449,999 ↓ $29K (6.1%)
Price Decreased
Aug 16, 2021	In contract	-
In contract
Jul 7, 2021	Price Increased	$479,000 ↑ $29K (6.4%)
Price Increased
Jun 15, 2021	Listed by Douglas Elliman Real Estate	$449,999
Listed by Douglas Elliman Real Estate

Property Highlights

Garage

Parking Available

Air Conditioning

Parking Details

Has Garage

Has Open Parking

Parking Features: Detached, Driveway, Garage, Off Street

Garage Spaces: 1

Interior Details

Full Bathrooms: 1

Interior Features: Entrance Foyer, Low Flow Plumbing Fixtures, First Floor Full Bath, Formal Dining, Galley Type Kitchen, Original Details, Washer/Dryer Hookup

Appliances: Convection Oven, Cooktop, Dryer, Gas Cooktop, Gas Oven, Oven, Range, Refrigerator, Washer, Gas Water Heater

Flooring Type: Wood

Laundry Features: Gas Dryer Hookup, In Basement, Inside, Laundry Room, Washer Hookup

Rooms: 6

Basement: Full, Partially Finished

Exterior Details

Square Footage: 1188

Square Footage Source: $0

Property Condition: Actual

Architectural Style: Cape Cod

Year Built: 1929

Building Area Total: 1436

Levels: Two

Building Area Units: Square Feet

Construction Materials: Frame

Lot Features: Back Yard, Front Yard

Lot Size Area: 6098

Lot Size Units: Square Feet

Lot Size Acres: 0.146

Lot Size Square Feet: 6098

Lot Size Dimensions: 60x106

Tax Lot: 17

Water Source: Public

Financial Details

Tax Assessed Value: $29,650

Tax Annual Amount: $10,711

Utilities Details

Cooling Type: Ductless

Heating Type: Hot Water, Natural Gas, Steam

Sewer : Public Sewer

Building Info

Overview

General

Year Built: 1929

Effective Year Built: 1929
Bedroom Count: 0
Building Condition: 0
Building Quality: 0
Construction Type: 0
Building Style: 0
Exterior Walls Type: 0
Interior Walls Type: 0
Roof Shape Type: 0
Roof Cover Type: 0
Floor Cover: 0
Basement Type: 0
Basement Area: 0
Garage Type: 4
Garage Square Area: 216
Parking Space Count: 0
Patio Type: 0
Porch Type: 0
Pool Type: 0

Dimensions

Lot Size Square Feet: 6,098

Lot Size Depth Feet: 1,060
Lot Size Frontage Feet: 600
Total Building Area: 1,436
Building Area: 1,188
Building Area Measurement: L

Heating and Cooling

Air Conditioning: 0

Heating: 0
Heated Square Feet: 1,188
Heating Fuel Type: 0

Utilities

Sewer System: 0

Water Service: 0

Building

Building Type: 0

Property Class: R
Land Acres: 0000000140
Standard Land Use Code: 1001
County Land Use Code: 210
Legal Description 1: X2219152Y182409 T059H00000000

Neighborhood

School District Name: Islip Union Free School District

School Tax School District: ISLIP
Census Tract: 147402

Zoning

Zoning: A

Geography

District: 0500-3

Section: 50.39
Parcel: 0500-397.00-02.00-017.000
Block: 7000
Lot: 200.017
Municipality: ISLIP
Latitude: 40.7236
Longitude: -73.2089

Address

Full Address: 21 Bay 3rd St

Address - House Number: 21
Address - Street Name: Bay 3rd
Address - Suffix Type: St
State: NY
City Name: Islip
Carrier Code: C004
4-Digit Zip Code: 4407
Zip Code: 11751

Valuation

Tax

Tax Year: 2023

Tax Amount: $1,011,196
Tax Rate Code Area: 472802

Appraisal Valuation

Standard Deviation: 0.2495

Valuation Date: Feb 14, 2024
Confidence Score: 64
Final Value: 583,740
High Value: 729,413
Low Value: 438,066

Open Liens

Total Open Liens:

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Total Open Liens Amount:

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First Open Lien Mortgage Recording Date:

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Market Valuation

Market Total Value: $407,280

Market Land Value: $146,978
Market Improvement Value: $260,302

Assessments Valuation

Assessed Year: 2023

Assessed Total Value: $29,650
Assessed Land Value: $10,700
Assessed Improvements Value: $18,950

Sales

Current Sale Contract Date: Dec 22, 2021

Current Sale Recording Date: Feb 07, 2022
Current Sale Price:

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Current Sale Document Type: 27

Last Sale Mortgage

First Mortgage Lender:

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First Mortgage Transaction Date:

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First Mortgage Loan Amount:

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First Mortgage Terms:

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Data used for valuation calculations is provided by RealtyHop, and other third party sources

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Comparables

About Islip

Stats & Trends

Median Asking:

$649,000

Sale Price/ft²

$406

Below Asking

0.01%

Average Days on Market

Average Home Size

1480 ft²

Average Home Age

65.8 years

Currently For Sale

35 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

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$3,000 /mo

1 Bed
1 Bath
620 ft²

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$2,445 /mo

1 Bed
1 Bath
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Last Updated: 22 days ago
Data Source: OneKey MLS

21 Bay 3rd Street

About This Property

Listed By

Price History

Property Highlights

Building Info

Overview

Building

Neighborhood

Zoning

Geography

Valuation

Comparables

About Islip

Stats & Trends

Similar Homes for Sale

Nearby Rentals

Frequently Asked Questions