For sale

$699,888

Est. $5,103/mo —

•

2,268

sq ft

266 Riddle St, Brentwood, NY 11717

About this home

Discover the possibilities at 266 Riddle Street in Brentwood! Situated on a desirable corner lot, this six-bedroom, three full bath home offers generous space and a versatile layout that truly deserves a closer look. Whether you need room for extended family, overnight guests, a home office, or creative pursuits, there’s space to bring your vision to life. A legal garage conversion adds valuable usable space, complemented by abundant storage throughout. The kitchen features stainless steel appliances and a skylight that fills the space with natural light. Wood floors on the second floor add warmth and character, while recessed high-hat lighting provides a polished touch. Additional highlights include natural gas, forced air heating, 200-amp electrical service, and a roof and siding fully replaced in 2013. Outside, enjoy a fully fenced yard with vinyl PVC fencing and a driveway accommodating five vehicles. Under soffit lighting beautifully illuminates the home after dark, creating a welcoming presence. Come explore the layout and discover how much this home has to offer!

Single-familyProperty Type

1963Year Built

0.28 acresLot Size

$309Price/Sq.Ft.

5 spacesParking

Listing by Kenny Calderon • Signature Premier Properties

Listing by Giovanni Calderon • Signature Premier Properties

Contact: 631-751-2111

Listing updated: Oct 3, 2026 at 05:01am

Redfin checked: a few seconds ago

•Source:OneKey® MLS as Distributed by MLS Grid #1057745

Payment calculator

$5,103 per month

Principal and interest$3,963

Property taxes

$971

HOA dues

Home insurance

$169

Utilities

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Open houses

No upcoming open houses.

Nearby open houses (10)

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Around this home

Schools

K - 12
Preschool & daycare

Some nearby schools may not be within this home's attendance zone. Please check the Brentwood Union Free School District website to verify.

Southeast Elementary School

Public 1-5 • 0.6mi

4/10

East Middle School

Public 6-8 • 1.5mi

5/10

Brentwood High School

Public 9-12 • 2.1mi

4/10

Provided by GreatSchools

About

Islip

Islip, located between Great South Bay and the Connetquot River State Park Preserve, is a waterfront and suburban Brentwood neighborhood with salt-air marinas and leafy parkland. The neighborhood’s character concentrates around Main Street near Islip Avenue, where low-slung storefronts, cafés, and local services set a steady, walkable rhythm. Architectural cues lean toward mid-century ranches and Cape-style homes, with pockets of newer infill along wider arterials. Islip’s shoreline geography shapes weekends around docks, bay views, and boat traffic. Community pillars include the Bayard Cutting Arboretum, the historic Islip Art Museum, and the Sayville Ferry Service for Fire Island days. Rail service at Islip station adds a commuter cadence without overpowering the residential feel.

Provided by Walk Score and Local Logic

Offer insights

266 Riddle St · $699,888

Strong offer

$749K and above

75% chance or better to win

Why $749K+ is a strong offer

DAYS ON MARKET

The average home goes pending in 31 days.

SALE-TO-LIST

Most homes are selling 2% above list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Dining

Interior features
First-floor bedroom
First-floor full bath
In-law floorplan
Storage
Bay windows
Skylights
Porch
Dining area
Home office
Two levels

Bedrooms
Includes a first-floor bedroom

Bathrooms
Three full bathrooms

Kitchen
Gas range
Microwave
Refrigerator
Stainless steel appliances
Other kitchen features

Laundry & utility
Utility connections available (see utilities)

Flooring
Carpet
Wood

Heating & cooling
Natural gas heating
Wall/window air conditioning units

Sale and tax history for 266 Riddle St

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2026

$11,649

$7,900 + $32,200

$40,100

2025

$11,649 (+27.7%)

$7,900 + $32,200

$40,100

2022

$9,122

$7,900 + $29,000

$36,900

2021

$9,122 (+1.8%)

$7,900 + $29,000

$36,900

2020

$8,963 (+4.1%)

$7,900 + $29,000

$36,900

2019

$8,614 (+3.4%)

$7,900 + $29,000

$36,900

2018

$8,328 (+1.9%)

$7,900 + $29,000

$36,900

2017

$8,171 (+1.2%)

$7,900 + $29,000

$36,900

2016

$8,075 (+1.7%)

$7,900 + $29,000

$36,900

2015

$7,937 (+3.0%)

$7,900 + $29,000

$36,900

2014

$7,709 (+3.1%)

$7,900 + $29,000

$36,900

2013

$7,478 (+4.0%)

$7,900 + $29,000

$36,900

2012

$7,189 (+4.4%)

$7,900 + $29,000

$36,900

2011

$6,888 (+2.9%)

$7,900 + $29,000

$36,900

2010

$6,691 (+2.7%)

$7,900 + $29,000

$36,900

2009

$6,516

$7,900 + $29,000

$36,900

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

0.28 Acres

Year renovated

—

Finished Sq. Ft.

2,268

Unfinished Sq. Ft.

—

Total Sq. Ft.

2,268

Year built

1963

Style

Multi-Family (2-4 Unit)

County

Suffolk County

APN

4728890500205000200100000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 31, 2026.

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 93° expected this year, 16 days in 30 years

6/10 Wind Factor

63% chance of strong winds in next 30 years

4/10 Air Factor

3 unhealthy days expected this year, 5 days in 30 years

Provided by First Street

Historical weather

Brentwood, NY • 11717

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.8 hours in June and 4.5 hours in December, which is comparable to the U.S. average for solar exposure.

8.8 hrs

4.5 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 266 Riddle St

We cannot show automated home-value estimates for this home.

Nearby homes have recently sold between $650,000 and $755,000.

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $650K to $755K.

SOLD JUL 14, 2026
$675,000 Last sold price
4 beds2 baths1,560 sq ft
253 Peterson St, Brentwood, NY 11717
Listing by Nationwide Homes LLC
$124/sq ft
6 years older
finished basement
SOLD JUL 16, 2026
$712,000 Last sold price
5 beds2 baths2,418 sq ft
16 Kopf St, Brentwood, NY 11717
Listing by Exit Realty Achieve
$15/sq ft
larger lot
5 years older
SOLD MAY 29, 2026
$650,000 Last sold price
6 beds4 baths1,750 sq ft
238 Wiley St, Brentwood, NY 11717
Listing by Deepak Hemrajani Inc
$62/sq ft
1 year older
SOLD JUN 16, 2026
$755,000 Last sold price
6 beds3 baths2,226 sq ft
27 Trader Ln, Brentwood, NY 11717
Listing by Signature Premier Properties
$30/sq ft
1 year newer
SOLD MAY 1, 2026
$652,000 Last sold price
4 beds2 baths2,518 sq ft
187 Nolin St, Brentwood, NY 11717
Listing by Netter Real Estate Inc
$50/sq ft
smaller lot
SOLD AUG 28, 2026
$700,000 Last sold price
5 beds2 baths1,742 sq ft
5 Zane Ct, Brentwood, NY 11717
Listing by B2B Real Estate Group Inc
$93/sq ft
2 years older
basement

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