Google street view image for 40 William St, Demarest, NJ 07627

Off Market Jan 2023 for $1.7M

$2,551,608

Est. refi paymentEst. refi $8,846/mo

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•

— ba

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4,451

sq ft

40 William St, Demarest, NJ 07627

About this home

40 William St is a 4,451 square foot house on a 0.36 acre lot. - it last sold on January 26, 2023 for $1,720,000. Based on Redfin's Demarest data, we estimate the home's value is $2,551,608.

Single-familyProperty Type

2007Year Built

0.36 acresLot Size

$573Est. Price/Sq.Ft.

3 car garageParking

Source:Public Records

Redfin Estimate

$2,551,608

$832K since sold in January 2023$63K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.5% higher than the average sale price ($2.29M) of 6 comparable homes.

SOLD JAN 21, 2026
$1,775,000
A
5 beds5 baths— sq ft
436 Piermont Rd, Demarest, NJ 07627
Coldwell Banker, Alpine/Closter
SOLD JUN 2, 2026
$2,275,000
B
5 beds5.5 baths— sq ft
520 Homans Ave, Closter, NJ 07624
Coldwell Banker, Alpine/Closter
SOLD JUN 30, 2026
$2,925,000
C
5 beds5.5 baths— sq ft
15 Eric Pl, Demarest, NJ 07627
Keller Williams Town Life
SOLD AUG 17, 2026
$2,080,000
D
6 beds5.5 baths— sq ft
45 Meadow St, Demarest, NJ 07627
Howard Hanna Rand Realty, Englewood Cliffs
SOLD FEB 2, 2026
$2,350,000
E
5 beds4.5 baths— sq ft
11 Blackledge Ct, Closter, NJ 07624
Coldwell Banker, Alpine/Closter
SOLD AUG 14, 2026
$2,328,800
F
5 beds5.5 baths— sq ft
18 Henmar Dr, Closter, NJ 07624
Coldwell Banker, Alpine/Closter

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Earn from this home

Sell

$1,120,061

Est. take-home

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Refinance

Est. cash available

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Rent

$4,616/mo

Redfin rental estimate

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Market trends in 07627, NJ

Last updated August 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

98.1%

1.4% MoM

Median sale price

$2.0M

$709K MoM

Avg. days on market

80d

4 days MoM

Recently sold homes

6 MoM

New listings for sale

$2,395,000
3 beds5 baths— sq ft
311 Bellaire Dr, Demarest, NJ 07627
Prominent Properties Sotheby's International Realty-Tenafly, (201) 568-5668
$2,349,000
5 beds5.5 baths— sq ft
83 Holland Ave, Demarest, NJ 07627
C Land Realty Co., (201) 917-3830
$5,595,000
8 beds9.5 baths— sq ft
373 Hardenburgh Ave, Demarest, NJ 07627
Prominent Properties Sotheby's International Realty-Alpine, (201) 768-9300
See all

Provided by Redfin

Sale history for 40 William St

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Year

Property tax

Land + Additions

Assessment*

2025

$38,387 (+11.9%)

$743,600 + $1,383,100

$2,126,700

2024

$34,303 (+4.8%)

$743,600 + $1,383,100

$2,126,700

2023

$32,743 (+2.8%)

$421,800 + $700,300

$1,122,100

2022

$31,856 (+2.5%)

$421,800 + $700,300

$1,122,100

2021

$31,071 (+2.4%)

$421,800 + $700,300

$1,122,100

2020

$30,342 (+3.0%)

$421,800 + $700,300

$1,122,100

2019

$29,466 (+3.2%)

$421,800 + $700,300

$1,122,100

2018

$28,557 (+2.5%)

$421,800 + $700,300

$1,122,100

2017

$27,873 (+1.6%)

$421,800 + $700,300

$1,122,100

2016

$27,435 (+3.6%)

$421,800 + $700,300

$1,122,100

2014

$26,481 (+0.5%)

$421,800 + $700,300

$1,122,100

2013

$26,347 (+2.3%)

$421,800 + $700,300

$1,122,100

2012

$25,752 (+1.3%)

$421,800 + $700,300

$1,122,100

2011

$25,427 (+2.1%)

$421,800 + $700,300

$1,122,100

2010

$24,911 (+2.0%)

$421,800 + $700,300

$1,122,100

2009

$24,417

$421,800 + $700,300

$1,122,100

Tax history for 40 William St

Year

Property tax

Land + Additions

Assessment*

2025

$38,387 (+11.9%)

$743,600 + $1,383,100

$2,126,700

2024

$34,303 (+4.8%)

$743,600 + $1,383,100

$2,126,700

2023

$32,743 (+2.8%)

$421,800 + $700,300

$1,122,100

2022

$31,856 (+2.5%)

$421,800 + $700,300

$1,122,100

2021

$31,071 (+2.4%)

$421,800 + $700,300

$1,122,100

2020

$30,342 (+3.0%)

$421,800 + $700,300

$1,122,100

2019

$29,466 (+3.2%)

$421,800 + $700,300

$1,122,100

2018

$28,557 (+2.5%)

$421,800 + $700,300

$1,122,100

2017

$27,873 (+1.6%)

$421,800 + $700,300

$1,122,100

2016

$27,435 (+3.6%)

$421,800 + $700,300

$1,122,100

2014

$26,481 (+0.5%)

$421,800 + $700,300

$1,122,100

2013

$26,347 (+2.3%)

$421,800 + $700,300

$1,122,100

2012

$25,752 (+1.3%)

$421,800 + $700,300

$1,122,100

2011

$25,427 (+2.1%)

$421,800 + $700,300

$1,122,100

2010

$24,911 (+2.0%)

$421,800 + $700,300

$1,122,100

2009

$24,417

$421,800 + $700,300

$1,122,100

*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
Subdivision Name: ORLANDO MINNETTO
Living Sq. Ft: 4,451
Building Sq. Ft: 4,451

Lot Information
# of Buildings: 1
Land Sq. Ft: 15,638
Legal Lot Number: 5
Legal Block Number: 89
Municipality Name: DEMAREST BORO
Acres: 0.359
Depth Footage: 125
Front Footage: 125
Zoning Code: C
State Use Description: RESIDENTIAL

Financial

Assessor Information
Assessment Year: 2026
Tax District County: DEMAREST BORO

Public facts

Beds: —
Baths: —
Sq. Ft.: 4,451
Stories: —
Lot Size: 0.36 acres
Style: Single Family Residential
Year Built: 2007
Year Renovated: —
County: Bergen County
APN: 0900089 00005

Home facts updated by county records on Sep 14, 2026

Around this home

Schools

County Road Elementary School

Public PreK-1 • Assigned • 0.2mi

Demarest Middle School

Public 5-8 • Assigned • 0.6mi

8/10

Northern Valley Regional High School at Demarest

Public 9-12 • Assigned • 1.3mi

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

6/10 Heat Factor

7 days above 100° expected this year, 16 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

4/10 Air Factor

3 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Demarest, NJ • 07627

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 8.7 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.42M – $2.94M

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Prominent Properties Sotheby's International Realty-Tenafly, (201) 568-5668

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Home values near 40 William St

Data from public records.

Address	Redfin Estimate
50 William Street, Demarest, NJ 5 Beds \| 5.5 Baths \| - Sq. Ft.	$2,373,178
33 William Street, Demarest, NJ - Beds \| - Baths \| 2367 Sq. Ft.	$1,280,862

Address	Redfin Estimate
46 William Street, Demarest, NJ - Beds \| - Baths \| 1723 Sq. Ft.	$1,097,174
39 William Street, Demarest, NJ - Beds \| - Baths \| 2534 Sq. Ft.	$1,203,220

Address	Redfin Estimate
27 William Street, Demarest, NJ - Beds \| - Baths \| 1980 Sq. Ft.	$1,147,820
45 William Street, Demarest, NJ - Beds \| - Baths \| 5009 Sq. Ft.	$2,528,979

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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 07627, NJ

Sale history for 40 William St

Tax history for 40 William St

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 07627

Home values near 40 William St

More real estate resources