Off market jan 2021 for $529K

$918,688

Est. refi paymentEst. refi $3,545/mo

•

—

sq ft

21 Detmer Rd, East Setauket, NY 11733

About this home

Beautiful Spacious Updated Colonial featuring 5 Bedrooms, 3.5 baths on Large Private Landscaped Property with Formal Living Room, Family Room with Fireplace, Hardwoods Throughout, New EIK w Granite Tops, SS Appliances and Porcelain tile heated Floors, Sliders to Huge Deck, MBR suite with Spa-Like Master Bath with Custom vanity, Jet Tub, Finished Walk-Out Basement. Lovely large landscaped yard with deck/salt water pool and hot tub, IGS and storage shed. Possible Mother/Daughter. Close to Stony Brook University/Hospital. Storage galore. Move right in!, Additional information: Appearance:Mint,Interior Features:Guest Quarters,Lr/Dr,Separate Hotwater Heater:Yes

Single-familyProperty Type

1969Year Built

0.37 acresLot Size

Listing by Richard MacDowell • Howard Hanna Coach

Bought with Huai Pan • PH Home LLC

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #L3249921

Redfin Estimate

$918,688

$390K since sold in January 2021$8,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.1% lower than the average sale price ($938K) of 6 comparable homes.

SOLD JUL 16, 2026
$770,000
A
5 beds3.5 baths2,681 sq ft
161 Lower Sheep Pasture Rd, East Setauket, NY 11733
Listing by Douglas Elliman Real Estate
SOLD SEP 8, 2026
$975,000
B
4 beds2.5 baths2,355 sq ft
9 Briar Path, East Setauket, NY 11733
Listing by Douglas Elliman Real Estate
SOLD JUL 21, 2026
$800,000
C
4 beds2.5 baths2,000 sq ft
3 Split Rail Ln, East Setauket, NY 11733
Listing by Modern Realty and Management
SOLD AUG 28, 2026
$1,130,000
D
5 beds3.5 baths3,189 sq ft
8 Brandywine Dr, Setauket, NY 11733
Listing by Howard Hanna Coach
SOLD SEP 16, 2026
$955,000
E
4 beds2.5 baths2,573 sq ft
5 Merlin Ln, East Setauket, NY 11733
Listing by Douglas Elliman Real Estate
SOLD MAR 18, 2026
$999,999
F
5 beds3 baths2,700 sq ft
26 Brewster Hill Rd, East Setauket, NY 11733
Listing by Coldwell Banker American Homes

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Sell

$488,871

Est. take-home

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Est. cash available

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Rent

$3,919/mo

Redfin rental estimate

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Market trends in 11733, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

104.3%

+0.7% MoM

Median sale price

$940K

$50K MoM

Avg. days on market

25d

1 days MoM

Recently sold homes

2 MoM

New listings for sale

OPEN TODAY, 2PM TO 3:30PM
$900,000
4 beds2.5 baths2,661 sq ft
20 Buccaneer Ln, East Setauket, NY 11733
Listing by Modern Realty and Management
COMING SOON
$1,200,000
4 beds2.5 baths3,500 sq ft
5 Constance Ct, East Setauket, NY 11733
Listing by Real Broker NY LLC
OPEN TODAY, 12PM TO 2PM
$1,199,000
4 beds3 baths2,664 sq ft
209 Old Town Rd, East Setauket, NY 11733
Listing by Howard Hanna Coach
OPEN TODAY, 11AM TO 12:30PM
$1,099,990
5 beds3 baths3,193 sq ft
9 Cobbler Ln, East Setauket, NY 11733
Listing by Handsome Real Estate Inc
OPEN TODAY, 12PM TO 2PM
$1,395,000
4 beds3.5 baths2,900 sq ft
52 W Meadow Rd, Setauket, NY 11733
Listing by Daniel Gale Sothebys Intl Rlty
OPEN TODAY, 1PM TO 3PM
$678,000
4 beds1.5 baths1,800 sq ft
32 Lodge Ln, East Setauket, NY 11733
Listing by Charles Rutenberg Realty Inc
$699,999
4 beds2.5 baths2,352 sq ft
4 Stony Wood Rd, East Setauket, NY 11733
Listing by Signature Premier Properties
OPEN TODAY, 12PM TO 1:30PM
$749,000
3 beds2.5 baths2,000 sq ft
208 Erik Dr, East Setauket, NY 11733
Listing by Douglas Elliman Real Estate
$599,999
2 beds1 bath764 sq ft
11 Sharon Ave, East Setauket, NY 11733
Listing by Howard Hanna Coach
$1,349,990
4 beds3 baths3,426 sq ft
6 Mill River Rd, Setauket, NY 11733
Listing by Signature Premier Properties
See all

Provided by Redfin

Sale history for 21 Detmer Rd

Year

Property tax

Land + Additions

Assessment*

2026

$19,804

$325 + $3,925

$4,250

2025

$19,804 (+3.8%)

$325 + $3,925

$4,250

2024

$19,085 (+7.0%)

$325 + $3,925

$4,250

2023

$17,843 (+3.5%)

$325 + $3,925

$4,250

2022

$17,243

$325 + $3,925

$4,250

2021

$17,243 (+9.8%)

$325 + $3,925

$4,250

2020

$15,711 (+2.0%)

$325 + $3,875

$4,200

2019

$15,396 (+3.2%)

$325 + $3,875

$4,200

2018

$14,915 (+2.1%)

$325 + $3,875

$4,200

2017

$14,613 (+1.4%)

$325 + $3,875

$4,200

2016

$14,405 (+7.3%)

$325 + $3,875

$4,200

2015

$13,424 (+2.3%)

$325 + $3,875

$4,200

2014

$13,126 (+3.2%)

$325 + $3,875

$4,200

2013

$12,713 (+2.1%)

$325 + $3,875

$4,200

2012

$12,457 (+4.9%)

$325 + $3,875

$4,200

2011

$11,880 (+2.4%)

$325 + $3,875

$4,200

2010

$11,606 (+3.1%)

$325 + $3,875

$4,200

2009

$11,255

$325 + $3,875

$4,200

Tax history for 21 Detmer Rd

Year

Property tax

Land + Additions

Assessment*

2026

$19,804

$325 + $3,925

$4,250

2025

$19,804 (+3.8%)

$325 + $3,925

$4,250

2024

$19,085 (+7.0%)

$325 + $3,925

$4,250

2023

$17,843 (+3.5%)

$325 + $3,925

$4,250

2022

$17,243

$325 + $3,925

$4,250

2021

$17,243 (+9.8%)

$325 + $3,925

$4,250

2020

$15,711 (+2.0%)

$325 + $3,875

$4,200

2019

$15,396 (+3.2%)

$325 + $3,875

$4,200

2018

$14,915 (+2.1%)

$325 + $3,875

$4,200

2017

$14,613 (+1.4%)

$325 + $3,875

$4,200

2016

$14,405 (+7.3%)

$325 + $3,875

$4,200

2015

$13,424 (+2.3%)

$325 + $3,875

$4,200

2014

$13,126 (+3.2%)

$325 + $3,875

$4,200

2013

$12,713 (+2.1%)

$325 + $3,875

$4,200

2012

$12,457 (+4.9%)

$325 + $3,875

$4,200

2011

$11,880 (+2.4%)

$325 + $3,875

$4,200

2010

$11,606 (+3.1%)

$325 + $3,875

$4,200

2009

$11,255

$325 + $3,875

$4,200

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

0.37 Acres

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Single Family Residential

County

Suffolk County

APN

0200155000500010000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 31, 2026.

Property details

Parking

Parking Information
Parking Features: Driveway, Private

Interior

Fireplace Information
Has Fireplace
Fireplaces Total: 1

Heating & Cooling
Heating: Baseboard, Oil, Radiant

Interior Features
Interior Features: Ceiling Fan(s),Eat-in Kitchen,Formal Dining,Granite Counters,Primary Bathroom,Pantry
Window Features: Blinds, Drapes
Appliances: Dishwasher, Dryer, Refrigerator, Washer, Oil Water Heater
Flooring: Carpet, Hardwood
Levels: Two
Patio And Porch Features: Deck

Room Information
Room Description: Large Formal||Den with Fireplace||Large New EIK with Granite Tops, SS Appliances,Pantry & heated Porcelain tile floor. Sliders from Kitchen to Deck overlooking large landscaped yard.||Powder Room||with large storage closet and access to rear deck/yard.||Formal Dining Room||MBR Suite with spa like Master Bath has heated floor jet tub.||3 additional Guest Bedrooms with plenty of closet space.||Full Bath with beautiful custom vanity Mosaic floor Jet tub.||Walk Out with Finished Rooms with Full Bath, Vinyl plank wood-like Floors,Large Windows Tile.
Basement YN: No
Attic: Full
Rooms Total: 10
Basement: Walk-Out Access, Finished, Full
Additional Rooms: Home Office,Library/Den

Bathroom Information
Bathrooms Full: 3
Bathrooms Half: 1

Exterior

Exterior Features
Exterior Features: Private Entrance
Construction Materials: Frame, Vinyl Siding
Fencing: Fenced
Other Structures: Outbuilding

Pool Information
Has Private Pool
Pool Features: Above Ground
Has Spa

Lot Information
Additional Parcels YN: No
Lot Features: Level, Near Public Transit, Near Shops, Sprinklers In Front, Sprinklers In Rear

Property Information
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Section: 155
Tax Annual Amount: $16,600.93

Financial Information
Buyer Financing: Cash

Utilities

Utility Information
Sewer: Cesspool
Utilities: Trash Collection Public

Location

School Information
Elementary School: Minnesauke Elementary School
Middle Or Junior School: Paul J Gelinas Junior High School
High School: Ward Melville Senior High School
High School District: Three Village

Location Information
Hamlet: Setauket
Directions: Bennetts Rd to Detmer Rd.
County Or Parish: Suffolk County

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 0.37 acres
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Suffolk County
APN: 0200155000500010000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Minnesauke Elementary School

Public PreK-6 • Assigned • 0.4mi

7/10

Paul J Gelinas Junior High School

Public 7-9 • Assigned • 0.9mi

7/10

Ward Melville Senior High School

Public 9-12 • Assigned • 2.1mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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 95° expected this year, 16 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

4/10 Air Factor

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

Provided by First Street

Historical weather

East Setauket, NY • 11733

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

Estimated sale price

$873,000 – $1.06M

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Home values near 21 Detmer Rd

Data from public records.

Address	Redfin Estimate
9 Detmer Rd, East Setauket, NY 4 Beds \| 2.5 Baths \| 2500 Sq. Ft.	$888,150
12 Detmer Rd, East Setauket, NY 3 Beds \| 2 Baths \| - Sq. Ft.	$670,198

Address	Redfin Estimate
23 Detmer Rd, East Setauket, NY 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,037,836
6 Detmer Rd, East Setauket, NY 3 Beds \| 2 Baths \| - Sq. Ft.	$834,826

Address	Redfin Estimate
13 Detmer Rd, East Setauket, NY 4 Beds \| 2.5 Baths \| - Sq. Ft.	$825,212
17 Detmer Rd, East Setauket, NY 3 Beds \| 3 Baths \| - Sq. Ft.	$801,632

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2020. This data may not match . Learn more.

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