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North Bay Shore 11717 Brentwood
786 4th Avenue
Photo of 786 4th Avenue
Sold on Feb 2, 2026

18

Map

Photo of 786 4th Avenue
Photo of 786 4th Avenue
$715,000
● House - Off Market

786 4th Avenue

Islip, NY 11706
bedrooms
4 Beds
bathrooms
2 Baths
square feet
1,572 Ft²
$4,283
Est. Monthly
12.27%
Cap Rate

About This Property

Welcome to this beautifully renovated Dormer Cape in the heart of Bay Shore! Featuring 4 spacious bedrooms and 2 full bathrooms, this home has been completely updated from top to bottom. The dormered second floor offers plenty of space and comfort, perfect for a growing household or home office needs. With modern finishes, a functional layout, and attention to detail throughout, this property is truly move-in ready. Conveniently located near main roads and highways, you'll have easy access to shopping, dining, and all that Long Island has to offer.
Unit Size
1,572 Ft²
Days on Market
138 days
Land Size
0.42 acres
Price per sqft
$471
Property Type
House
Property Taxes
$650
HOA Dues
-
Year Built
-

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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: 10 months ago (OneKey MLS #KEY914406)

Price History

Date / Event Date Event Price
Feb 2, 2026 Sold
Premium
Sold
Oct 25, 2025 In contract -
In contract
Sep 16, 2025 Listed by Uncommon R E $739,786
Listed by Uncommon R E
Sep 9, 1996 Sold
Premium
Sold

Property Highlights

Building Info

Overview

    General

  • 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: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 18,295
  • Lot Size Frontage Feet: 1,000
  • Total Building Area: 0
  • Building Area: 0

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 0
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Land Acres: 0000000420
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: X2205303Y201397 T019H00000000

Neighborhood

  • School District Name: Brentwood Union Free School District
  • School Tax School District: BRENTWOOD
  • Census Tract: 146001

Zoning

  • Zoning: B

Geography

  • District: 0500-1
  • Section: 50.15
  • Parcel: 0500-159.00-02.00-004.000
  • Block: 9000
  • Lot: 200.004
  • Municipality: ISLIP
  • Latitude: 40.776
  • Longitude: -73.2583

    Address

  • Full Address: 786 4th Ave
  • Address - House Number: 786
  • Address - Street Name: 4th
  • Address - Suffix Type: Ave
  • State: NY
  • City Name: Bay Shore
  • Carrier Code: C040
  • 4-Digit Zip Code: 1702
  • Zip Code: 11706

Valuation

    Tax

  • Tax Year: 2023
  • Tax Amount: $702,172
  • Tax Rate Code Area: 472812

    Appraisal Valuation

  • Standard Deviation: 0.2147
  • Valuation Date: Feb 14, 2024
  • Confidence Score: 70
  • Final Value: 546,383
  • High Value: 663,741
  • Low Value: 429,025

    Market Valuation

  • Market Total Value: $420,330
  • Market Land Value: $114,011
  • Market Improvement Value: $306,319

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $30,600
  • Assessed Land Value: $8,300
  • Assessed Improvements Value: $22,300

    Exemptions

  • Homeowner Exemption: Yes

    Sales

  • Current Sale Contract Date: Aug 30, 1996
  • Current Sale Recording Date: Sep 09, 1996
  • 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 Brentwood

Stats & Trends

Median Asking:

$639,999

Sale Price/ft²

$387

Below Asking

0.01%

Average Days on Market

91

Average Home Size

1678 ft²

Average Home Age

65 years

Currently For Sale

48 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

Rentals Near You

Click here to view more rentals in the neighborhood.
OneKey

Last Updated: 10 months ago
Data Source: OneKey MLS

Frequently Asked Questions

When was property at 786 4th Avenue built and last sold?
The property at 786 4th Avenue was built in and last sold on Aug 30, 1996 for $107,000.
How much is this home worth?
The estimated value of the home located at 786 4th Avenue is $740,930.
What are some comparable homes to 786 4th Avenue?
There are currently no comparable homes to 786 4th Avenue.
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