Google satellite image for 12302 Green Valley Rd Unit A, Union Bridge, MD 21791

OFF MARKET

$588,877

—

•

3 ba

•

3,336

sq ft

12302 Green Valley Rd Unit A, Union Bridge, MD 21791

About this home

12302 Green Valley Rd Unit A is a 3,336 square foot house on a 8.76 acre lot with 3 bathrooms. Based on Redfin's Union Bridge data, we estimate the home's value is $588,877.

Single-familyProperty Type

1965Year Built

8.76 acresLot Size

$177Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$588,877

$1,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.9% lower than the average sale price ($594K) of 6 comparable homes.

SOLD AUG 3, 2026
$535,000
A
2 beds3 baths2,714 sq ft
3300 Hawks Hill Rd, New Windsor, MD 21776
SOLD JUL 27, 2026
$690,000
B
4 beds3.5 baths2,941 sq ft
11861 Renner Rd, Keymar, MD 21757
SOLD JUN 2, 2026
$280,000
C
3 beds3 baths2,981 sq ft
6245 Middleburg Rd, Keymar, MD 21757
SOLD JUN 5, 2026
$405,000
D
3 beds2.5 baths2,106 sq ft
12734 Woodsboro Pike, Keymar, MD 21757
SOLD APR 16, 2026
$580,000
E
4 beds3 baths2,511 sq ft
12420 Smith Ln, Keymar, MD 21757
SOLD NOV 18, 2025
$1,075,000
F
4 beds3.5 baths2,368 sq ft
10216 Fountain School Rd, Union Bridge, MD 21791

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Earn from this home

Sell

$552,991

Est. take-home

List your home with Redfin and save $5,889

Market trends in 21791, MD

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.3%

+0.3% MoM

Median sale price

$375K

$10K MoM

Avg. days on market

24d

3 days MoM

Recently sold homes

2 MoM

New listings for sale

$450,000
2 beds1 bath1,064 sq ft
427 Clear Ridge Rd, Union Bridge, MD 21791
(301) 831-7653
$449,000
2 beds1 bath828 sq ft
955 Baust Church Rd, Union Bridge, MD 21791
(410) 823-0033
See all

Provided by Redfin

Sale history for 12302 Green Valley Rd Unit A

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$6,076 (+5.2%)

2024

$5,776 (+9.6%)

$151,200 + $391,700

$542,900

2023

$5,271 (+5.3%)

2022

$5,005 (−0.4%)

2021

$5,025 (+1.4%)

$131,200 + $287,000

$418,200

2020

$4,958 (+0.5%)

2019

$4,934 (−0.9%)

2018

$4,978 (+0.9%)

$131,200 + $280,900

$412,100

2017

$4,934 (−4.9%)

$131,200 + $280,900

$412,100

2015

$5,188 (+3.4%)

2014

$5,018 (+3.5%)

$158,800 + $264,800

$423,600

2013

$4,847 (+4.4%)

2012

$4,642 (−0.8%)

2011

$4,677

2010

$4,677 (+35.7%)

2009

$3,446

Tax history for 12302 Green Valley Rd Unit A

Year

Property tax

Land + Additions

Assessment*

2025

$6,076 (+5.2%)

2024

$5,776 (+9.6%)

$151,200 + $391,700

$542,900

2023

$5,271 (+5.3%)

2022

$5,005 (−0.4%)

2021

$5,025 (+1.4%)

$131,200 + $287,000

$418,200

2020

$4,958 (+0.5%)

2019

$4,934 (−0.9%)

2018

$4,978 (+0.9%)

$131,200 + $280,900

$412,100

2017

$4,934 (−4.9%)

$131,200 + $280,900

$412,100

2015

$5,188 (+3.4%)

2014

$5,018 (+3.5%)

$158,800 + $264,800

$423,600

2013

$4,847 (+4.4%)

2012

$4,642 (−0.8%)

2011

$4,677

2010

$4,677 (+35.7%)

2009

$3,446

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

Zoning

Agricultural District

The purpose of the Agricultural District (A) is to preserve productive agricultural land and the character and quality of the rural environment and to prevent urbanization where roads and other public facilities are scaled to meet only rural needs.

Permitted uses

Include but are not limited to:

Agriculture
Greenhouse / nursery
Winery & vineyard
Housing-Group
Housing-Single unit
Housing-Multiple units
Housing-Mobile home park

Property details

Interior

Bathroom Information
# of Full Baths: 3

Heating & Cooling
Air Conditioning Type: Separate System
Heating Type: Baseboard Hot Water

Fireplace Information
# of Fireplaces: 1
Fireplace Type: 1 Story Frame
Has Fireplace

Exterior

Exterior Information
Building Construction Quality: Average
Exterior Wall: Frame
Building Type: Single Family

Pool Information
Pool Type: Vinyl
Has Pool

Property Information
Living Sq. Ft: 3,336
Building Sq. Ft: 3,336
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: 8.76 AC W/S RT. 75 1/2 MILE N.E. HOUCK ROAD

Parking & Garage Information
Parking Type: Carport
Garage/Parking Sq. Ft: 432
Garage / Carport Type: Carport

Lot Information
# of Buildings: 1
Land Sq. Ft: 381,586
Acres: 8.76
Zoning Code: A
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Private

Financial

Assessor Information
Assessment Year: 2026
Tax District County: 17

Public facts

Beds: —
Baths: 3.0
Sq. Ft.: 3,336
Stories: 1.0
Lot Size: 8.76 acres
Style: Single Family Residential
Year Built: 1965
Year Renovated: —
County: Frederick County
APN: 17 364901

Home facts updated by county records on Jul 17, 2026

Around this home

Schools

New Midway/Woodsboro Elementary School

Public PreK-5 • Assigned • 5.4mi

8/10

Walkersville Middle School

Public 6-8 • Assigned • 10.2mi

9/10

Walkersville High School

Public 9-12 • Assigned • 10.7mi

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

6/10 Heat Factor

7 days above 102° expected this year, 16 days in 30 years

4/10 Wind Factor

9% 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

Union Bridge, MD • 21791

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 9.2 hours in June and 4 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs

4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$560,000 – $678,000

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Nearby similar homes

$625,000

3 beds3 baths2,650 sq ft

11860 Nicholson Rd, Keymar, MD 21757

(301) 371-4415

$228,500

Land— sq ft

108 N Main St, Union Bridge, MD 21791

(410) 871-2600

3D WALKTHROUGH

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5 beds5.5 baths4,160 sq ft

8730 Mapleville, Mount Airy, MD 21771

(301) 662-8600

$450,000

3 beds2.5 baths1,433 sq ft

2 James St, Woodsboro, MD 21798

(301) 882-7567

OPEN SUN, 11AM TO 1PM

$775,000

5 beds3.5 baths3,573 sq ft

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New listings for sale in 21791

$450,000

2 beds1 bath1,064 sq ft

427 Clear Ridge Rd, Union Bridge, MD 21791

(301) 831-7653

$449,000

2 beds1 bath828 sq ft

955 Baust Church Rd, Union Bridge, MD 21791

(410) 823-0033

Home values near 12302 Green Valley Rd Unit A

Data from public records.

Address	Redfin Estimate
12302 Green Valley Road #B, Union Bridge, MD - Beds \| 2.5 Baths \| 2586 Sq. Ft.	$432,158
12202 Green Valley Road #B, Union Bridge, MD 5 Beds \| 3.5 Baths \| 4272 Sq. Ft.	$398,159

Address	Redfin Estimate
12302 Green Valley Road, Union Bridge, MD 3 Beds \| 2 Baths \| 1901 Sq. Ft.	$552,823
12540 Green Valley Road, Union Bridge, MD 2 Beds \| 1 Baths \| 1090 Sq. Ft.	$204,295

Address	Redfin Estimate
12304 Green Valley Road #D, Union Bridge, MD - Beds \| 2 Baths \| 1431 Sq. Ft.	$491,893
12202 Green Valley Road, Union Bridge, MD 6 Beds \| 2.5 Baths \| 4272 Sq. Ft.	$375,278

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