Google street view image for 20 Hemlock Rd, Columbia, NJ 07832

Off market dec 1985 for $158K

$475,075

Est. refi paymentEst. refi $1,047/mo

—

•

— ba

•

1,670

sq ft

20 Hemlock Rd, Columbia, NJ 07832

About this home

20 Hemlock Rd is a 1,670 square foot house on a 5.49 acre lot. - it last sold on December 13, 1985 for $158,000. Based on Redfin's Columbia data, we estimate the home's value is $475,075.

Single-familyProperty Type

1972Year Built

5.49 acresLot Size

$284Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$475,075

$317K since sold in December 1985$12K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.4% higher than the average sale price ($473K) of 6 comparable homes.

SOLD JUL 31, 2026
78 Auble Rd, Blairstown, NJ 07825-3010
$567,000
A
3 beds2 baths— sq ft
78 Auble Rd, Blairstown, NJ 07825-3010
SOLD JUN 26, 2026
$591,000
B
2 beds2 baths— sq ft
71 Hainesburg River Rd, Columbia, NJ 07832-2651
SOLD SEP 11, 2026
$385,000
C
2 beds1.5 baths1,497 sq ft
120 Pine Tree Ln, Mount Bethel, PA 18343
SOLD AUG 17, 2026
3 Countryside Rd, Columbia, NJ 07832-2415
$495,000
D
3 beds2 baths— sq ft
3 Countryside Rd, Columbia, NJ 07832-2415
SOLD SEP 30, 2026
$375,000
E
2 beds2 baths1,982 sq ft
475 Sunrise Blvd, Mount Bethel, PA 18343
SOLD JUL 31, 2026
$425,000
F
2 beds2 baths1,845 sq ft
940 Potomac St, Mount Bethel, PA 18343

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Refinance

Est. cash available

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Market trends in 07832, NJ

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

101.6%

1.2% MoM

Median sale price

$477K

$21K MoM

Avg. days on market

34d

7 days MoM

Recently sold homes

4 MoM

New listings for sale

OPEN SUN, 11AM TO 1PM
$587,000
4 beds2.5 baths— sq ft
26 Countryside Rd, Columbia, NJ 07832-2414
COMING SOON
$729,000
4 beds2 baths— sq ft
5 Collinswood Ln, Columbia, NJ 07832-2000
COMING SOON
$749,900
4 beds2 baths— sq ft
116 Vail Rd, Columbia, NJ 07832-2425
See all

Provided by Redfin

Sale history for 20 Hemlock Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,178 (+7.3%)

$75,500 + $162,800

$238,300

2024

$9,489 (+2.2%)

$75,500 + $162,800

$238,300

2023

$9,287 (+3.1%)

$75,500 + $162,800

$238,300

2022

$9,010 (+2.7%)

$75,500 + $162,800

$238,300

2021

$8,774 (+2.3%)

$75,500 + $162,800

$238,300

2020

$8,576 (+4.3%)

$75,500 + $162,800

$238,300

2019

$8,226 (+1.1%)

$75,500 + $162,800

$238,300

2017

$8,138 (+2.2%)

$75,500 + $162,800

$238,300

2016

$7,961 (+4.8%)

$75,500 + $162,800

$238,300

2014

$7,597 (+0.3%)

$75,500 + $162,800

$238,300

2013

$7,573 (+0.8%)

$75,500 + $162,800

$238,300

2012

$7,511 (−1.5%)

$75,500 + $162,800

$238,300

2011

$7,623 (−1.5%)

$75,500 + $162,800

$238,300

2010

$7,738 (−1.0%)

$75,500 + $162,800

$238,300

2009

$7,814

$75,500 + $162,800

$238,300

Tax history for 20 Hemlock Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,178 (+7.3%)

$75,500 + $162,800

$238,300

2024

$9,489 (+2.2%)

$75,500 + $162,800

$238,300

2023

$9,287 (+3.1%)

$75,500 + $162,800

$238,300

2022

$9,010 (+2.7%)

$75,500 + $162,800

$238,300

2021

$8,774 (+2.3%)

$75,500 + $162,800

$238,300

2020

$8,576 (+4.3%)

$75,500 + $162,800

$238,300

2019

$8,226 (+1.1%)

$75,500 + $162,800

$238,300

2017

$8,138 (+2.2%)

$75,500 + $162,800

$238,300

2016

$7,961 (+4.8%)

$75,500 + $162,800

$238,300

2014

$7,597 (+0.3%)

$75,500 + $162,800

$238,300

2013

$7,573 (+0.8%)

$75,500 + $162,800

$238,300

2012

$7,511 (−1.5%)

$75,500 + $162,800

$238,300

2011

$7,623 (−1.5%)

$75,500 + $162,800

$238,300

2010

$7,738 (−1.0%)

$75,500 + $162,800

$238,300

2009

$7,814

$75,500 + $162,800

$238,300

*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: Brick

Property Information
Living Sq. Ft: 1,670
# of Stories: 1

Lot Information
# of Buildings: 1
Land Sq. Ft: 239,144
Legal Lot Number: 24.03
Legal Block Number: 7
Municipality Name: KNOWLTON TWP
Acres: 5.49
Zoning Code: FPD
State Use Description: RESIDENTIAL

Financial

Assessor Information
Assessment Year: 2026
Tax District County: KNOWLTON TWP

Public facts

Beds: —
Baths: —
Sq. Ft.: 1,670
Stories: 1.0
Lot Size: 5.49 acres
Style: Single Family Residential
Year Built: 1972
Year Renovated: —
County: Warren County
APN: 1300007 00024 03

Home facts updated by county records on Oct 19, 2026

Around this home

Schools

Knowlton Twp Elementary School

Public PreK-6 • Assigned • 4.4mi

7/10

North Warren Regional High School

Public 7-12 • Assigned • 5.5mi

6/10

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 99° expected this year, 16 days in 30 years

4/10 Wind Factor

11% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 2 days in 30 years

Provided by First Street

Historical weather

Columbia, NJ • 07832

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 3.8 hours in December, placing it below the U.S. average for solar exposure.

8.8 hrs

3.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$452,000 – $547,000

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New listings for sale in 07832-2414

OPEN SUN, 11AM TO 1PM

$587,000

4 beds2.5 baths— sq ft

26 Countryside Rd, Columbia, NJ 07832-2414

COMING SOON

$729,000

4 beds2 baths— sq ft

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COMING SOON

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4 beds2 baths— sq ft

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Home values near 20 Hemlock Rd

Data from public records.

Address	Redfin Estimate
14 Hemlock Road, Columbia, NJ - Beds \| - Baths \| 3948 Sq. Ft.	$1,101,512
11 Hemlock Road, Columbia, NJ - Beds \| - Baths \| 1729 Sq. Ft.	$536,945

Address	Redfin Estimate
3 Hemlock Road, Columbia, NJ - Beds \| - Baths \| 2248 Sq. Ft.	$600,416
17 Hemlock Road, Columbia, NJ 4 Beds \| 2.5 Baths \| - Sq. Ft.	$528,015

Address	Redfin Estimate
9 Hemlock Road, Columbia, NJ - Beds \| - Baths \| 1820 Sq. Ft.	$456,085
33 Hemlock Road, Columbia, NJ 3 Beds \| 2 Baths \| - Sq. Ft.	$466,576

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