Google street view image for 21 Old Dock Rd, Alpine, NJ 07620

Off market dec 2020 for $500K

$1,149,967

Est. refi paymentEst. refi $2,332/mo

—

•

— ba

•

2,716

sq ft

21 Old Dock Rd, Alpine, NJ 07620

About this home

21 Old Dock Rd is a 2,716 square foot house on a 0.38 acre lot. - it last sold on December 08, 2020 for $500,000. Based on Redfin's Alpine data, we estimate the home's value is $1,149,967.

Single-familyProperty Type

1972Year Built

0.38 acresLot Size

$423Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,149,967

$650K since sold in December 2020$46K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 27.3% lower than the average sale price ($1.58M) of 4 comparable homes.

SOLD SEP 9, 2026
$850,000
A
4 beds2.5 baths2,208 sq ft
25 Jody Ln, Yonkers, NY 10701
Listing by RE/MAX Distinguished Hms.&Prop
SOLD JUL 15, 2026
$1,575,000
B
4 beds3.5 baths— sq ft
45 Hickory Ln, Closter, NJ 07624
Prominent Properties Sotheby's International Realty-Tenafly
SOLD JUN 2, 2026
$2,275,000
C
5 beds5.5 baths— sq ft
520 Homans Ave, Closter, NJ 07624
Coldwell Banker, Alpine/Closter
SOLD OCT 14, 2026
$1,629,500
D
4 beds3 baths— sq ft
10 Lancaster Ct, Cresskill, NJ 07626
Realmart Realty, LLC

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$727,874

Est. take-home

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Est. cash available

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Market trends in Alpine, NJ

Last updated October 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

107.1%

+13.2% MoM

Median sale price

$3.7M

$752K MoM

Avg. days on market

226d

32 days MoM

Recently sold homes

2 MoM

New listings for sale

NEW 15 HRS AGO
66 Church St, Alpine, NJ 07620
$3,175,000
5 beds3.5 baths— sq ft
66 Church St, Alpine, NJ 07620
Keller Williams Town Life, (201) 894-8004
See all

Provided by Redfin

Sale history for 21 Old Dock Rd

Year

Property tax

Land + Additions

Assessment*

2025

$6,349 (+2.3%)

$492,000 + $266,500

$758,500

2024

$6,205 (+3.5%)

$492,000 + $266,500

$758,500

2023

$5,992 (+3.0%)

$492,000 + $266,500

$758,500

2022

$5,818 (−1.3%)

$492,000 + $266,500

$758,500

2021

$5,894 (+2.4%)

$492,000 + $266,500

$758,500

2020

$5,757 (−2.6%)

$492,000 + $266,500

$758,500

2019

$5,909 (+0.4%)

$492,000 + $266,500

$758,500

2018

$5,886 (−3.1%)

$492,000 + $266,500

$758,500

2017

$6,076 (+4.3%)

$492,000 + $266,500

$758,500

2016

$5,825 (+3.6%)

$492,000 + $266,500

$758,500

2014

$5,620 (+2.3%)

$492,000 + $266,500

$758,500

2013

$5,492 (+2.7%)

$492,000 + $266,500

$758,500

2012

$5,347

$492,000 + $266,500

$758,500

2011

$5,347 (+5.2%)

$492,000 + $266,500

$758,500

2010

$5,082

$492,000 + $266,500

$758,500

2009

$5,082

$492,000 + $266,500

$758,500

Tax history for 21 Old Dock Rd

Year

Property tax

Land + Additions

Assessment*

2025

$6,349 (+2.3%)

$492,000 + $266,500

$758,500

2024

$6,205 (+3.5%)

$492,000 + $266,500

$758,500

2023

$5,992 (+3.0%)

$492,000 + $266,500

$758,500

2022

$5,818 (−1.3%)

$492,000 + $266,500

$758,500

2021

$5,894 (+2.4%)

$492,000 + $266,500

$758,500

2020

$5,757 (−2.6%)

$492,000 + $266,500

$758,500

2019

$5,909 (+0.4%)

$492,000 + $266,500

$758,500

2018

$5,886 (−3.1%)

$492,000 + $266,500

$758,500

2017

$6,076 (+4.3%)

$492,000 + $266,500

$758,500

2016

$5,825 (+3.6%)

$492,000 + $266,500

$758,500

2014

$5,620 (+2.3%)

$492,000 + $266,500

$758,500

2013

$5,492 (+2.7%)

$492,000 + $266,500

$758,500

2012

$5,347

$492,000 + $266,500

$758,500

2011

$5,347 (+5.2%)

$492,000 + $266,500

$758,500

2010

$5,082

$492,000 + $266,500

$758,500

2009

$5,082

$492,000 + $266,500

$758,500

*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
Exterior Wall: Frame

Property Information
Subdivision Name: BOROUGH/CARLSTADT
Living Sq. Ft: 2,716
Building Sq. Ft: 2,716
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 16,727
Legal Lot Number: 17
Legal Block Number: 60
Municipality Name: ALPINE BORO
Acres: 0.384
Zoning Code: R-2
State Use Description: RESIDENTIAL

Financial

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

Public facts

Beds: —
Baths: —
Sq. Ft.: 2,716
Stories: 2.0
Lot Size: 0.38 acres
Style: Single Family Residential
Year Built: 1972
Year Renovated: —
County: Bergen County
APN: 0200060 00017

Home facts updated by county records on Sep 14, 2026

Around this home

Schools

Alpine Elementary School

Public K-8 • Assigned • 0.6mi

9/10

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 101° expected this year, 14 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

3/10 Air Factor

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

Provided by First Street

Historical weather

Alpine, NJ • 07620

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

$1.09M – $1.32M

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Nearby similar homes

$2,349,000

5 beds5.5 baths— sq ft

83 Holland Ave, Demarest, NJ 07627

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C Land Realty Co., (201) 917-3830

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

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New listings for sale in 07620

NEW 15 HRS AGO

$3,175,000

5 beds3.5 baths— sq ft

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Blue stone patio • Expansive backyard • Finished lower level

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Home values near 21 Old Dock Rd

Data from public records.

Address	Redfin Estimate
31 Old Dock Road, Alpine, NJ - Beds \| - Baths \| 3197 Sq. Ft.	$1,234,012
15 Old Dock Road, Alpine, NJ - Beds \| - Baths \| 2443 Sq. Ft.	$1,381,053

Address	Redfin Estimate
35 Old Dock Road, Alpine, NJ 3 Beds \| 2.5 Baths \| - Sq. Ft.	—
19 Old Dock Road, Alpine, NJ - Beds \| - Baths \| 1824 Sq. Ft.	$1,187,096

Address	Redfin Estimate
25 Old Dock Road, Alpine, NJ 6 Beds \| 4 Baths \| - Sq. Ft.	$2,292,400
987 Closter Dock Road, Alpine, NJ - Beds \| - Baths \| 4826 Sq. Ft.	$2,563,633

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