Google street view image for 640 Middle Rd, Bayport, NY 11705

Off market nov 2021 for $845K

$1,178,099

Est. refi paymentEst. refi $5,655/mo

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— ba

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3,231

sq ft

640 Middle Rd, Bayport, NY 11705

About this home

640 Middle Rd is a 3,231 square foot house on a 0.31 acre lot. - it last sold on November 08, 2021 for $845,000. Based on Redfin's Bayport data, we estimate the home's value is $1,178,099.

Single-familyProperty Type

1925Year Built

0.31 acresLot Size

$365Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,178,099

$333K since sold in November 2021$2,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 21.6% higher than the average sale price ($969K) of 6 comparable homes.

SOLD APR 24, 2026
$990,600
A
5 beds3 baths2,712 sq ft
36 Atlantic Ave, Blue Point, NY 11715
Listing by Signature Premier Properties
SOLD SEP 23, 2026
$1,050,000
B
4 beds2.5 baths2,030 sq ft
11 Hampton St, Sayville, NY 11782
Listing by Douglas Elliman Real Estate
SOLD AUG 4, 2026
$1,220,000
C
5 beds3 baths4,125 sq ft
133 Seaman Ave, Bayport, NY 11705
Listing by Mazzella Realty Services
SOLD SEP 24, 2026
$855,000
D
4 beds3.5 baths2,331 sq ft
410 Greene Ave, Sayville, NY 11782
Listing by HomeSmart Dynamic Realty
SOLD APR 30, 2026
$925,000
E
4 beds2 baths1,950 sq ft
115 Academy St, Bayport, NY 11705
Listing by Signature Premier Properties
SOLD DEC 16, 2025
$774,000
F
4 beds2 baths2,074 sq ft
39 Paulanna Ave, Bayport, NY 11705
Listing by Signature Premier Properties

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Earn from this home

Sell

$497,391

Est. take-home

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Est. cash available

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Rent

$4,606/mo

Redfin rental estimate

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Market trends in 11705, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.7%

0.2% MoM

Median sale price

$730K

$3K MoM

Avg. days on market

28d

0 days MoM

Recently sold homes

0 MoM

New listings for sale

OPEN OCT 22, 5PM TO 7PM
$769,000
3 beds2 baths1,397 sq ft
29 Edgewater Ave, Bayport, NY 11705
Listing by Douglas Elliman Real Estate
$1,150,000
4 beds4 baths2,926 sq ft
354 Middle Rd, Bayport, NY 11705
Listing by Douglas Elliman Real Estate
See all

Provided by Redfin

Sale history for 640 Middle Rd

Year

Property tax

Land + Additions

Assessment*

2026

$21,060

$14,700 + $39,300

$54,000

2025

$21,060 (+4.1%)

$14,700 + $39,300

$54,000

2024

$20,222 (+29.1%)

$14,700 + $39,300

$54,000

2021

$15,662

$14,700 + $35,300

$50,000

2020

$15,662 (+8.1%)

$14,700 + $35,300

$50,000

2019

$14,491 (+1.6%)

$14,700 + $35,300

$50,000

2018

$14,267 (+2.3%)

$14,700 + $35,300

$50,000

2017

$13,946 (+3.0%)

$14,700 + $35,300

$50,000

2016

$13,533 (+0.2%)

$14,700 + $35,300

$50,000

2015

$13,502 (+2.8%)

$14,700 + $35,300

$50,000

2014

$13,140 (+0.4%)

$14,700 + $35,300

$50,000

2013

$13,087 (+5.3%)

$14,700 + $35,300

$50,000

2012

$12,431 (−2.3%)

$14,700 + $35,300

$50,000

2011

$12,728

$14,700 + $38,300

$53,000

2010

$12,722 (+5.7%)

$14,700 + $38,300

$53,000

2009

$12,030

$14,700 + $38,300

$53,000

Tax history for 640 Middle Rd

Year

Property tax

Land + Additions

Assessment*

2026

$21,060

$14,700 + $39,300

$54,000

2025

$21,060 (+4.1%)

$14,700 + $39,300

$54,000

2024

$20,222 (+29.1%)

$14,700 + $39,300

$54,000

2021

$15,662

$14,700 + $35,300

$50,000

2020

$15,662 (+8.1%)

$14,700 + $35,300

$50,000

2019

$14,491 (+1.6%)

$14,700 + $35,300

$50,000

2018

$14,267 (+2.3%)

$14,700 + $35,300

$50,000

2017

$13,946 (+3.0%)

$14,700 + $35,300

$50,000

2016

$13,533 (+0.2%)

$14,700 + $35,300

$50,000

2015

$13,502 (+2.8%)

$14,700 + $35,300

$50,000

2014

$13,140 (+0.4%)

$14,700 + $35,300

$50,000

2013

$13,087 (+5.3%)

$14,700 + $35,300

$50,000

2012

$12,431 (−2.3%)

$14,700 + $35,300

$50,000

2011

$12,728

$14,700 + $38,300

$53,000

2010

$12,722 (+5.7%)

$14,700 + $38,300

$53,000

2009

$12,030

$14,700 + $38,300

$53,000

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

Property details

Exterior

Property Information
Living Sq. Ft: 3,231
Ground Floor Sq. Ft: 1,948
Building Sq. Ft: 3,957

Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 726
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 13,504
Legal Lot Number: 23
Legal Block Number: 0006
Municipality Name: ISLIP
Acres: 0.31
Front Footage: 100
Zoning Code: AAA
State Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: —
Sq. Ft.: 3,231
Stories: —
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 1925
Year Renovated: —
County: Suffolk County
APN: 4728890500385000600023000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Academy Street Elementary School

Public K-5 • Assigned • 0.6mi

6/10

James Wilson Young Middle School

Public 6-8 • Assigned • 1.4mi

7/10

Bayport Blue Point High School

Public 9-12 • Assigned • 0.6mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

4/10 Flood Factor

Estimated 14-22% chance 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

4/10 Heat Factor

7 days above 93° expected this year, 18 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

Bayport, NY • 11705

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

$1.12M – $1.36M

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Nearby similar homes

OPEN TODAY, 12PM TO 2PM

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New listings for sale in 11705

OPEN OCT 22, 5PM TO 7PM

$769,000

3 beds2 baths1,397 sq ft

29 Edgewater Ave, Bayport, NY 11705

Listing by Douglas Elliman Real Estate

$1,150,000

4 beds4 baths2,926 sq ft

354 Middle Rd, Bayport, NY 11705

Listing by Douglas Elliman Real Estate

Home values near 640 Middle Rd

Data from public records.

Address	Redfin Estimate
677 Middle Rd, Bayport, NY 6 Beds \| 3.5 Baths \| 3266 Sq. Ft.	$1,240,484
626 Middle Rd, Bayport, NY - Beds \| - Baths \| 916 Sq. Ft.	$574,289

Address	Redfin Estimate
631 Middle Rd, Bayport, NY - Beds \| - Baths \| 1486 Sq. Ft.	$720,649
690 Middle Rd, Bayport, NY - Beds \| - Baths \| 2618 Sq. Ft.	$977,222

Address	Redfin Estimate
661 Middle Rd, Bayport, NY - Beds \| - Baths \| 5236 Sq. Ft.	$1,706,725
647 Middle Rd, Bayport, NY 3 Beds \| 2 Baths \| 2236 Sq. Ft.	$991,235

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 11705, NY

Sale history for 640 Middle Rd

Tax history for 640 Middle Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11705

Home values near 640 Middle Rd

More real estate resources