Google street view image for 12 Union Hill Rd, Denville, NJ 07834

Off market aug 1990 for $415K

$1,123,969

Est. refi paymentEst. refi $2,145/mo

—

•

— ba

•

4,228

sq ft

12 Union Hill Rd, Denville, NJ 07834

About this home

12 Union Hill Rd is a 4,228 square foot house on a 0.69 acre lot. - it last sold on August 10, 1990 for $415,000. Based on Redfin's Denville data, we estimate the home's value is $1,123,969.

Single-familyProperty Type

1985Year Built

0.69 acresLot Size

$266Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,123,969

$709K since sold in August 1990$15K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.7% lower than the average sale price ($1.24M) of 6 comparable homes.

SOLD JUN 25, 2026
11 N Ridge Rd, Denville, NJ 07834-3810
$1,250,000
A
4 beds3.5 baths— sq ft
11 N Ridge Rd, Denville, NJ 07834-3810
SOLD AUG 31, 2026
$890,000
B
5 beds3 baths— sq ft
46 Copeland Rd, Denville, NJ 07834
Prominent Properties Sotheby's International Realty-Towaco
SOLD AUG 10, 2026
25 Timber Ln, Randolph, NJ 07869-4517
$1,340,000
C
5 beds4 baths— sq ft
25 Timber Ln, Randolph, NJ 07869-4517
SOLD JUL 27, 2026
$1,500,000
D
4 beds3.5 baths— sq ft
15 Skytop Dr, Denville, NJ 07834
Coldwell Banker, Upper Montclair
SOLD AUG 6, 2026
10 Pinnacle Pt, Randolph, NJ 07869-4522
$1,435,000
E
5 beds6 baths— sq ft
10 Pinnacle Pt, Randolph, NJ 07869-4522
SOLD AUG 13, 2026
$1,050,000
F
5 beds3.5 baths— sq ft
38 Canterbury Rd, Denville, NJ 07834-3813

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$1,057,368

Est. take-home

List your home with Redfin and save $11,240

Refinance

Est. cash available

Get cash now or lower your monthly rate

Market trends in 07834, NJ

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

104.2%

0.8% MoM

Median sale price

$800K

$18K MoM

Avg. days on market

17d

1 days MoM

Recently sold homes

5 MoM

New listings for sale

OPEN FRI, 4PM TO 6PM
$575,000
3 beds1.5 baths— sq ft
50 Parks Rd, Denville, NJ 07834-2459
$700,000
4 beds3 baths— sq ft
199 Casterline Rd, Denville, NJ 07834-3618
$519,000
2 beds2 baths— sq ft
3107 Peer Pl #107, Denville, NJ 07834-3715
$675,000
6 beds2 baths— sq ft
15 Spruce Pl, Denville, NJ 07834-2115
3D WALKTHROUGH
$1,150,000
3 beds3.5 baths— sq ft
38 N Ridge Rd, Denville, NJ 07834-9629
REDFIN OPEN SAT, 12PM TO 3PM
$505,000
2 beds1.5 baths1,136 sq ft
3401 Scenic Ct, Denville, NJ 07834-3479
$749,900
3 beds2 baths— sq ft
138 Shongum Rd, Denville, NJ 07834-9612
$875,000
4 beds2.5 baths— sq ft
28 Alpine Dr, Denville, NJ 07834-1417
$1,100,000
3 beds2.5 baths3,023 sq ft
40 Old Boonton Rd, Denville, NJ 07834-2920
See all

Provided by Redfin

Sale history for 12 Union Hill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$19,849 (+1.2%)

$227,600 + $484,100

$711,700

2024

$19,614 (+4.2%)

$227,600 + $484,100

$711,700

2023

$18,824 (+2.8%)

$227,600 + $484,100

$711,700

2022

$18,305 (+1.5%)

$227,600 + $484,100

$711,700

2021

$18,027 (+0.8%)

$227,600 + $484,100

$711,700

2020

$17,878 (+1.0%)

$227,600 + $484,100

$711,700

2019

$17,693 (+0.9%)

$227,600 + $484,100

$711,700

2018

$17,529 (+0.8%)

$227,600 + $484,100

$711,700

2017

$17,387 (+2.4%)

$227,600 + $484,100

$711,700

2016

$16,981 (−1.8%)

$227,600 + $484,100

$711,700

2014

$17,299 (+2.8%)

$199,500 + $366,400

$565,900

2013

$16,824 (+3.2%)

$199,500 + $366,400

$565,900

2012

$16,298 (+3.9%)

$199,500 + $366,400

$565,900

2011

$15,687 (+3.4%)

$199,500 + $366,400

$565,900

2010

$15,177 (+2.9%)

$199,500 + $366,400

$565,900

2009

$14,755

$199,500 + $366,400

$565,900

Tax history for 12 Union Hill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$19,849 (+1.2%)

$227,600 + $484,100

$711,700

2024

$19,614 (+4.2%)

$227,600 + $484,100

$711,700

2023

$18,824 (+2.8%)

$227,600 + $484,100

$711,700

2022

$18,305 (+1.5%)

$227,600 + $484,100

$711,700

2021

$18,027 (+0.8%)

$227,600 + $484,100

$711,700

2020

$17,878 (+1.0%)

$227,600 + $484,100

$711,700

2019

$17,693 (+0.9%)

$227,600 + $484,100

$711,700

2018

$17,529 (+0.8%)

$227,600 + $484,100

$711,700

2017

$17,387 (+2.4%)

$227,600 + $484,100

$711,700

2016

$16,981 (−1.8%)

$227,600 + $484,100

$711,700

2014

$17,299 (+2.8%)

$199,500 + $366,400

$565,900

2013

$16,824 (+3.2%)

$199,500 + $366,400

$565,900

2012

$16,298 (+3.9%)

$199,500 + $366,400

$565,900

2011

$15,687 (+3.4%)

$199,500 + $366,400

$565,900

2010

$15,177 (+2.9%)

$199,500 + $366,400

$565,900

2009

$14,755

$199,500 + $366,400

$565,900

*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: COLONIAL WOODS/DENVILLE SEC 02
Living Sq. Ft: 4,228
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 30,056
Legal Lot Number: 5
Legal Block Number: 21501
Municipality Name: DENVILLE TWP
Acres: 0.69
Zoning Code: R-1
State Use Description: RESIDENTIAL

Financial

Assessor Information
Assessment Year: 2026
Tax District County: DENVILLE TOWNSHIP

Public facts

Beds: —
Baths: —
Sq. Ft.: 4,228
Stories: 2.0
Lot Size: 0.69 acres
Style: Single Family Residential
Year Built: 1985
Year Renovated: —
County: Morris County
APN: 0821501 00005

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Lakeview Elementary School

Public PreK-5 • Assigned • 1.6mi

8/10

Valleyview Middle School

Public 6-8 • Assigned • 4.8mi

7/10

Morris Knolls High School

Public 9-12 • Assigned • 2.3mi

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 97° expected this year, 14 days in 30 years

5/10 Wind Factor

26% chance of strong winds in next 30 years

3/10 Air Factor

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

Provided by First Street

Historical weather

Denville, NJ • 07834

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

8.6 hrs

4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.07M – $1.29M

Reach more buyers when you sell with Redfin. Save up to $11,240 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

3D WALKTHROUGH

$1,150,000

3 beds3.5 baths— sq ft

38 N Ridge Rd, Denville, NJ 07834-9629

$530,000

2 beds1.5 baths1,492 sq ft

67 Patriots Rd, Morris Plains, NJ 07950-1146

$215,000

1 bed1 bath— sq ft

2467 State Route 10 Unit 8b, Morris Plains, NJ 07950-1301

3D WALKTHROUGH

$1,950,000

5 beds4 baths7,249 sq ft

2 Minor Ct, Denville, NJ 07834-3730

$589,000

4 beds2.5 baths— sq ft

1 Roy St, Dover, NJ 07801-4308

$825,000

4 beds3 baths2,323 sq ft

169 Shongum Rd, Denville, NJ 07834-9624

New listings for sale in 07834-2459

OPEN FRI, 4PM TO 6PM

$575,000

3 beds1.5 baths— sq ft

50 Parks Rd, Denville, NJ 07834-2459

$700,000

4 beds3 baths— sq ft

199 Casterline Rd, Denville, NJ 07834-3618

$519,000

2 beds2 baths— sq ft

3107 Peer Pl #107, Denville, NJ 07834-3715

$675,000

6 beds2 baths— sq ft

15 Spruce Pl, Denville, NJ 07834-2115

3D WALKTHROUGH

$1,150,000

3 beds3.5 baths— sq ft

38 N Ridge Rd, Denville, NJ 07834-9629

REDFIN OPEN SAT, 12PM TO 3PM3D & VIDEO TOUR

$505,000

2 beds1.5 baths1,136 sq ft

3401 Scenic Ct, Denville, NJ 07834-3479

$749,900

3 beds2 baths— sq ft

138 Shongum Rd, Denville, NJ 07834-9612

$875,000

4 beds2.5 baths— sq ft

28 Alpine Dr, Denville, NJ 07834-1417

$1,100,000

3 beds2.5 baths3,023 sq ft

40 Old Boonton Rd, Denville, NJ 07834-2920

Home values near 12 Union Hill Rd

Data from public records.

Address	Redfin Estimate
7 Union Hill Rd, Denville, NJ 4 Beds \| 3.5 Baths \| - Sq. Ft.	$1,097,131
10 Union Hill Rd, Denville, NJ 6 Beds \| 6.5 Baths \| - Sq. Ft.	$1,472,873

Address	Redfin Estimate
11 Union Hill Rd, Denville, NJ 5 Beds \| 3.5 Baths \| - Sq. Ft.	$1,134,428
16 Union Hill Rd, Denville, NJ - Beds \| - Baths \| 3524 Sq. Ft.	$1,072,822

Address	Redfin Estimate
9 Union Hill Rd, Denville, NJ - Beds \| - Baths \| 3463 Sq. Ft.	$991,157
14 Union Hill Rd, Denville, NJ - Beds \| - Baths \| 4171 Sq. Ft.	$1,110,168

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Houses for rent in Morris County	Agents near me	Ridgewood, NJ homes for sale	Morris County Housing Market
Houses for sale near me	Jersey City, NJ homes for sale	Summit, NJ homes for sale
Land for sale near me	Montclair, NJ homes for sale	Fort Lee, NJ homes for sale
Open Houses near me	Hoboken, NJ homes for sale	Morris County Property Records
Condos for sale near me	Princeton, NJ homes for sale	NJ New Listings

Bucks County homes for sale
Bergen County homes for sale
Montgomery County homes for sale

Summit homes for sale
Bridgewater homes for sale
Morristown homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 07834, NJ

Sale history for 12 Union Hill Rd

Tax history for 12 Union Hill Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 07834-2459

Home values near 12 Union Hill Rd

More real estate resources