Google street view image for 21 Allen St, Basking Ridge, NJ 07920

Off market jan 2005 for $699K

$1,167,305

Est. refi paymentEst. refi $3,538/mo

—

•

— ba

•

2,850

sq ft

21 Allen St, Basking Ridge, NJ 07920

About this home

21 Allen St is a 2,850 square foot house on a 0.53 acre lot. - it last sold on January 03, 2005 for $699,900. Based on Redfin's Basking Ridge data, we estimate the home's value is $1,167,305.

Single-familyProperty Type

1928Year Built

0.53 acresLot Size

$410Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,167,305

$467K since sold in January 2005$13K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 12% lower than the average sale price ($1.33M) of 6 comparable homes.

SOLD JUN 19, 2026
$1,500,000
A
4 beds2.5 baths— sq ft
40 Rankin Ave, Basking Ridge, NJ 07920-1415
SOLD SEP 9, 2026
$1,275,000
B
4 beds3.5 baths— sq ft
6 Childsworth Ave, Bernardsville, NJ 07924-2304
SOLD JUL 29, 2026
$1,700,000
C
4 beds3.5 baths— sq ft
11 Cedar St, Basking Ridge, NJ 07920-1406
SOLD AUG 12, 2026
69 W Oak St, Basking Ridge, NJ 07920
$975,000
D
4 beds2 baths— sq ft
69 W Oak St, Basking Ridge, NJ 07920
SOLD JUL 6, 2026
$890,000
E
3 beds2 baths— sq ft
134 W Oak St, Basking Ridge, NJ 07920-1742
SOLD AUG 27, 2026
$1,617,000
F
4 beds3 baths— sq ft
29 Birch Dr, Basking Ridge, NJ 07920-1029

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Earn from this home

Sell

$875,217

Est. take-home

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Refinance

Est. cash available

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Market trends in 07920, NJ

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.6%

1.4% MoM

Median sale price

$900K

$3K MoM

Avg. days on market

21d

5 days MoM

Recently sold homes

6 MoM

New listings for sale

NEW 5 HRS AGO
$2,150,000
5 beds5.5 baths5,578 sq ft
33 Carriage Way, Basking Ridge, NJ 07920-2541
COMING SOON
$839,000
3 beds2.5 baths— sq ft
26 Mayflower Dr, Basking Ridge, NJ 07920-3803
COMING SOON
$450,000
2 beds2 baths— sq ft
286 Potomac Dr, Basking Ridge, NJ 07920-3164
OPEN TODAY, 11AM TO 1PM
$669,000
3 beds2.5 baths— sq ft
167 N Finley Ave, Basking Ridge, NJ 07920-1632
OPEN SUN, 1PM TO 3PM
$749,000
3 beds1.5 baths— sq ft
305 S Maple Ave, Basking Ridge, NJ 07920-1316
$2,250,000
6 beds5.5 baths— sq ft
14 Paddock Ct, Basking Ridge, NJ 07920-2232
$1,290,000
4 beds2.5 baths— sq ft
8 Stacy Ln, Basking Ridge, NJ 07920-2025
$750,000
4 beds2.5 baths— sq ft
236 Lurline Dr, Basking Ridge, NJ 07920-2624
OPEN SAT, 1PM TO 4PM
$1,400,000
3 beds3.5 baths3,195 sq ft
22 Benedict Cres, Basking Ridge, NJ 07920-4916
$419,000
2 beds2 baths1,181 sq ft
329 Penns Way, Basking Ridge, NJ 07920-3037
See all

Provided by Redfin

Sale history for 21 Allen St

Year

Property tax

Land + Additions

Assessment*

2025

$15,405 (+3.5%)

$401,200 + $549,400

$950,600

2024

$14,887 (−1.6%)

$401,200 + $511,400

$912,600

2023

$15,126 (−1.2%)

$356,200 + $480,600

$836,800

2022

$15,302 (+3.3%)

$356,200 + $445,800

$802,000

2021

$14,819 (+1.3%)

$351,200 + $409,700

$760,900

2020

$14,633 (+0.6%)

$336,200 + $366,100

$702,300

2019

$14,547 (+2.0%)

$336,200 + $362,600

$698,800

2018

$14,264 (+0.8%)

$336,200 + $379,000

$715,200

2017

$14,156 (+4.6%)

$336,200 + $375,200

$711,400

2016

$13,530 (+0.3%)

$331,200 + $380,500

$711,700

2014

$13,491 (+1.2%)

$331,200 + $368,500

$699,700

2013

$13,327 (+4.0%)

$331,200 + $366,400

$697,600

2011

$12,813 (+0.1%)

$331,200 + $345,500

$676,700

2010

$12,794 (+4.3%)

$331,200 + $349,600

$680,800

2009

$12,263

$351,200 + $348,700

$699,900

Tax history for 21 Allen St

Year

Property tax

Land + Additions

Assessment*

2025

$15,405 (+3.5%)

$401,200 + $549,400

$950,600

2024

$14,887 (−1.6%)

$401,200 + $511,400

$912,600

2023

$15,126 (−1.2%)

$356,200 + $480,600

$836,800

2022

$15,302 (+3.3%)

$356,200 + $445,800

$802,000

2021

$14,819 (+1.3%)

$351,200 + $409,700

$760,900

2020

$14,633 (+0.6%)

$336,200 + $366,100

$702,300

2019

$14,547 (+2.0%)

$336,200 + $362,600

$698,800

2018

$14,264 (+0.8%)

$336,200 + $379,000

$715,200

2017

$14,156 (+4.6%)

$336,200 + $375,200

$711,400

2016

$13,530 (+0.3%)

$331,200 + $380,500

$711,700

2014

$13,491 (+1.2%)

$331,200 + $368,500

$699,700

2013

$13,327 (+4.0%)

$331,200 + $366,400

$697,600

2011

$12,813 (+0.1%)

$331,200 + $345,500

$676,700

2010

$12,794 (+4.3%)

$331,200 + $349,600

$680,800

2009

$12,263

$351,200 + $348,700

$699,900

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

Property details

Interior

Room Information
# of Rooms: 9

Exterior

Exterior Information
Construction Type: Frame
Exterior Wall: Frame

Property Information
Living Sq. Ft: 2,850
# of Stories: 1.5

Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Detached Garage
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 23,087
Legal Lot Number: 8
Legal Block Number: 1505
Acres: 0.53
Zoning Code: R7
State Use Description: RESIDENTIAL

Financial

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

Public facts

Beds: —
Baths: —
Sq. Ft.: 2,850
Stories: 1.5
Lot Size: 0.53 acres
Style: Single Family Residential
Year Built: 1928
Year Renovated: —
County: Somerset County
APN: 0201505 00008

Home facts updated by county records on Sep 17, 2026

Around this home

Schools

Oak Street Elementary School

Public K-5 • Assigned • 0.2mi

8/10

William Annin Middle School

Public 6-8 • Assigned • 1.9mi

9/10

Ridge High School

Public 9-12 • Assigned • 1.0mi

7/10

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, 15 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

Basking Ridge, NJ • 07920

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 8.6 hours in June and 4.1 hours in December, placing it below the U.S. average for solar exposure.

8.6 hrs

4.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.11M – $1.34M

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Nearby similar homes

NEW 5 HRS AGO

$2,150,000

5 beds5.5 baths5,578 sq ft

33 Carriage Way, Basking Ridge, NJ 07920-2541

$1,045,000

4 beds2.5 baths2,516 sq ft

101 Wexford Way, Basking Ridge, NJ 07920-2433

$555,000

2 beds2.5 baths— sq ft

10 Village Dr, Basking Ridge, NJ 07920-1339

$5,250,000

6 beds8 baths11,800 sq ft

156 Overleigh Rd, Bernardsville, NJ 07924-1519

$1,100,000

5 beds2 baths— sq ft

67 Queen Anne Dr, Basking Ridge, NJ 07920-2317

$9,999,000

7 beds10.5 baths— sq ft

450 Claremont Rd, Bernardsville, NJ 07924-1119

New listings for sale in 07920-2541

NEW 5 HRS AGO

$2,150,000

5 beds5.5 baths5,578 sq ft

33 Carriage Way, Basking Ridge, NJ 07920-2541

COMING SOON

$839,000

3 beds2.5 baths— sq ft

26 Mayflower Dr, Basking Ridge, NJ 07920-3803

COMING SOON

$450,000

2 beds2 baths— sq ft

286 Potomac Dr, Basking Ridge, NJ 07920-3164

OPEN TODAY, 11AM TO 1PM

$669,000

3 beds2.5 baths— sq ft

167 N Finley Ave, Basking Ridge, NJ 07920-1632

OPEN SUN, 1PM TO 3PM

$749,000

3 beds1.5 baths— sq ft

305 S Maple Ave, Basking Ridge, NJ 07920-1316

$2,250,000

6 beds5.5 baths— sq ft

14 Paddock Ct, Basking Ridge, NJ 07920-2232

$1,290,000

4 beds2.5 baths— sq ft

8 Stacy Ln, Basking Ridge, NJ 07920-2025

$750,000

4 beds2.5 baths— sq ft

236 Lurline Dr, Basking Ridge, NJ 07920-2624

OPEN SAT, 1PM TO 4PM

$1,400,000

3 beds3.5 baths3,195 sq ft

22 Benedict Cres, Basking Ridge, NJ 07920-4916

Home values near 21 Allen St

Data from public records.

Address	Redfin Estimate
31 Allen St, Basking Ridge, NJ 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,203,695
24 Allen St, Basking Ridge, NJ - Beds \| - Baths \| 2693 Sq. Ft.	$1,165,985

Address	Redfin Estimate
23 Allen St, Basking Ridge, NJ - Beds \| - Baths \| 1624 Sq. Ft.	$750,019
13 Allen St, Basking Ridge, NJ 3 Beds \| 1.5 Baths \| - Sq. Ft.	$1,037,742

Address	Redfin Estimate
27 Allen St, Basking Ridge, NJ 3 Beds \| 2.5 Baths \| - Sq. Ft.	$1,092,319
17 Allen St, Basking Ridge, NJ - Beds \| - Baths \| 2060 Sq. Ft.	$894,031

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