Off market nov 2022 for $389K

$492,935

Est. refi paymentEst. refi $3,030/mo

—

•

— ba

•

1,301

sq ft

11 Knapp Rd, Mastic Beach, NY 11951

About this home

Single-familyProperty Type

1955Year Built

10,019 sq ftLot Size

$379Est. Price/Sq.Ft.

Listing by Manuel Dominguez • D B Austin Realty Inc

Bought with Kenneth Trestka • EXP Realty

Source:OneKey® MLS as Distributed by MLS Grid #L3396203

Redfin Estimate

$492,935

$104K since sold in November 2022$4,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.1% higher than the average sale price ($456K) of 6 comparable homes.

SOLD OCT 8, 2026
$455,000
A
3 beds1 bath1,440 sq ft
154 Cedar Rd E, Mastic Beach, NY 11951
Listing by Coldwell Banker M&D Good Life
SOLD APR 24, 2026
$445,000
B
3 beds1 bath1,014 sq ft
289 Jefferson, Mastic Beach, NY 11951
Listing by Realty Maintained LLC
SOLD OCT 14, 2026
$450,000
C
4 beds1 bath1,008 sq ft
119 Parkwood Dr, Shirley, NY 11967
Listing by OverSouth LLC
SOLD JUL 30, 2026
$470,000
D
4 beds1 bath1,296 sq ft
133 Lakeview Dr, Mastic Beach, NY 11951
Listing by Douglas Elliman Real Estate
SOLD FEB 3, 2026
$465,000
E
3 beds1 bath1,310 sq ft
11 Edwards Rd, Mastic Beach, NY 11951
Listing by Vantage Realty Partners
SOLD AUG 19, 2026
$450,000
F
3 beds1 bath1,056 sq ft
83 Knapp Rd, Mastic Beach, NY 11951
Listing by ERealty Advisors Inc

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Earn from this home

Sell

$174,556

Est. take-home

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Refinance

Est. cash available

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Rent

$2,142/mo

Redfin rental estimate

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Market trends in 11951, NY

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

103.0%

+0.9% MoM

Median sale price

$470K

$12K MoM

Avg. days on market

31d

1 days MoM

Recently sold homes

4 MoM

New listings for sale

OPEN SAT, 12PM TO 2PM
$434,999
3 beds1 bath992 sq ft
113 Huguenot Dr, Mastic Beach, NY 11951
Listing by Signature Premier Properties
NEW 11 HRS AGO
80 Elder Dr, Mastic Beach, NY 11951
$275,000
2 beds1 bath600 sq ft
80 Elder Dr, Mastic Beach, NY 11951
Listing by Moriches Bay Realty
OPEN SAT, 12PM TO 2PM
$599,000
5 beds2 baths2,064 sq ft
242 Madison St, Mastic Beach, NY 11951
Listing by Exit Realty Edge
$580,000
5 beds3 baths2,512 sq ft
199 Commack Rd, Mastic Beach, NY 11951
Listing by Island Edge Homes
$399,000
2 beds1 bath632 sq ft
10 Mill Dr, Mastic Beach, NY 11951
Listing by Douglas Elliman Real Estate
$449,000
2 beds1 bath1,482 sq ft
173 Diana Dr, Mastic Beach, NY 11951
Listing by Century 21 Adams Real Estate
$509,999
3 beds1 bath1,058 sq ft
356 Cypress Dr, Mastic Beach, NY 11951
Listing by Millennium Homes
$437,000
2 beds1 bath740 sq ft
19 Lacrosse Rd, Mastic Beach, NY 11951
Listing by OverSouth LLC
$699,000
4 beds2 baths920 sq ft
269 Forest Rd W, Mastic Beach, NY 11951
Listing by Listing Pro Realty Services
$388,888
2 beds1 bath700 sq ft
109 Lakeview Dr, Mastic Beach, NY 11951
Listing by Douglas Elliman Real Estate
See all

Provided by Redfin

Sale history for 11 Knapp Rd

Date

Event

Price

OneKey® MLS as Distributed by MLS Grid #1041332

Aug 26, 2026

Listing Removed

—

Aug 20, 2026

Listed

$499,000

$384/sq ft

Public Records

Nov 7, 2022

Sold

$389,000

$299/sq ft

OneKey® MLS as Distributed by MLS Grid #L3396203

Aug 3, 2022

Sold

$369,000

$284/sq ft

Jun 7, 2022

Pending

—

May 17, 2022

Price Changed

$369,000

$284/sq ft

May 3, 2022

Listed

$399,000

$307/sq ft

Public Records

Aug 10, 2021

Sold

$274,000

$211/sq ft

Public Records

Oct 18, 2017

Sold

$72,000

$55/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$7,455

$200 + $1,500

$1,700

2025

$7,455 (+1.1%)

$200 + $1,500

$1,700

2024

$7,371 (+4.3%)

$200 + $1,500

$1,700

2023

$7,070 (−12.7%)

$200 + $1,500

$1,700

2022

$8,102

$200 + $1,500

$1,700

2021

$8,102 (−0.3%)

$200 + $1,500

$1,700

2020

$8,130 (+1.8%)

$200 + $1,500

$1,700

2019

$7,988 (+3.0%)

$200 + $1,500

$1,700

2018

$7,751 (+28.0%)

$200 + $1,500

$1,700

2017

$6,057 (+11.0%)

$200 + $1,500

$1,700

2016

$5,455

$200 + $1,500

$1,700

Tax history for 11 Knapp Rd

Year

Property tax

Land + Additions

Assessment*

2026

$7,455

$200 + $1,500

$1,700

2025

$7,455 (+1.1%)

$200 + $1,500

$1,700

2024

$7,371 (+4.3%)

$200 + $1,500

$1,700

2023

$7,070 (−12.7%)

$200 + $1,500

$1,700

2022

$8,102

$200 + $1,500

$1,700

2021

$8,102 (−0.3%)

$200 + $1,500

$1,700

2020

$8,130 (+1.8%)

$200 + $1,500

$1,700

2019

$7,988 (+3.0%)

$200 + $1,500

$1,700

2018

$7,751 (+28.0%)

$200 + $1,500

$1,700

2017

$6,057 (+11.0%)

$200 + $1,500

$1,700

2016

$5,455

$200 + $1,500

$1,700

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

Property details

Exterior

Exterior Information
Building Style Type: Ranch

Property Information
Subdivision Name: MASTIC MAP 3
Ground Floor Sq. Ft: 1,301
Building Sq. Ft: 1,301
Legal Description: MASTIC BEACH 3 626 9444 TO 9448 INC

Lot Information
# of Buildings: 1
Land Sq. Ft: 10,019
Legal Lot Number: 63
Legal Block Number: 9006
Municipality Name: BROOKHAVEN
Acres: 0.23
State Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: —
Sq. Ft.: 1,301
Stories: —
Lot Size: 10,019 square feet
Style: Single Family Residential
Year Built: 1955
Year Renovated: —
County: Suffolk County
APN: 0200978900900063000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Tangier Smith Elementary School

Public K-5 • Assigned • 0.7mi

8/10

William Paca Middle School

Public 6-8 • Assigned • 0.7mi

5/10

William Floyd High School

Public 9-12 • Assigned • 1.0mi

3/10

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

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 91° expected this year, 19 days in 30 years

8/10 Wind Factor

80% 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

Mastic Beach, NY • 11951

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

86/ 100

Very good sunlight

Sunscore

This home receives average direct sun exposure in Mastic Beach. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9 hrs

5.7 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$469,000 – $567,000

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Nearby similar homes

$349,000

2 beds1 bath779 sq ft

66 Longfellow Dr, Mastic Beach, NY 11951

6,098 sq ft lot • Listed 82 days

Listing by RE/MAX Best

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Fenced in property • Detached garage • Low taxes

Listing by Your Team D&G Realty Ltd

New listings for sale in 11951

OPEN SAT, 12PM TO 2PM

$434,999

3 beds1 bath992 sq ft

113 Huguenot Dr, Mastic Beach, NY 11951

Updated interior • New roof • Fenced yard

Listing by Signature Premier Properties

NEW 11 HRS AGO

$275,000

2 beds1 bath600 sq ft

80 Elder Dr, Mastic Beach, NY 11951

Built 1934

Listing by Moriches Bay Realty

OPEN SAT, 12PM TO 2PM

$599,000

5 beds2 baths2,064 sq ft

242 Madison St, Mastic Beach, NY 11951

Backyard garden • Local schools • Train station

Listing by Exit Realty Edge

$580,000

5 beds3 baths2,512 sq ft

199 Commack Rd, Mastic Beach, NY 11951

Finished basement • Separate entrance • Attached garage

Listing by Island Edge Homes

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2 beds1 bath632 sq ft

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Large lot • Outdoor space • Storage sheds

Listing by Douglas Elliman Real Estate

$449,000

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173 Diana Dr, Mastic Beach, NY 11951

3 season room • 8,712 sq ft lot • Parking

Listing by Century 21 Adams Real Estate

$509,999

3 beds1 bath1,058 sq ft

356 Cypress Dr, Mastic Beach, NY 11951

Finished basement • Large deck • Above ground pool

Listing by Millennium Homes

$437,000

2 beds1 bath740 sq ft

19 Lacrosse Rd, Mastic Beach, NY 11951

Beach access • Private yard • New white pvc fence

Listing by OverSouth LLC

$699,000

4 beds2 baths920 sq ft

269 Forest Rd W, Mastic Beach, NY 11951

0.23 acre lot • Garage • Built 1930

Listing by Listing Pro Realty Services

Home values near 11 Knapp Rd

Data from public records.

Address	Redfin Estimate
15 Knapp Rd, Mastic Beach, NY - Beds \| - Baths \| 912 Sq. Ft.	$463,418
160 Magnolia Dr, Mastic Beach, NY - Beds \| - Baths \| 1769 Sq. Ft.	$469,318

Address	Redfin Estimate
169 Aspen Rd, Mastic Beach, NY 4 Beds \| 1 Baths \| 2100 Sq. Ft.	$559,233
176 Magnolia Dr, Mastic Beach, NY - Beds \| - Baths \| 1056 Sq. Ft.	$453,372

Address	Redfin Estimate
157 Daisy Dr, Mastic Beach, NY - Beds \| - Baths \| 1066 Sq. Ft.	$448,843
174 Magnolia Dr, Mastic Beach, NY - Beds \| - Baths \| 790 Sq. Ft.	$316,967

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About this home

Redfin Estimate

Earn from this home

Market trends in 11951, NY

Sale history for 11 Knapp Rd

Tax history for 11 Knapp Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11951

Home values near 11 Knapp Rd

More real estate resources