OFF MARKET

Off market feb 2019 for $239K

$363,472

Est. refi paymentEst. refi $1,871/mo

•

1,334

sq ft

522 Key Heights Rd, Union Bridge, MD 21791

About this home

Single-familyProperty Type

1966Year Built

0.46 acresLot Size

$272Est. Price/Sq.Ft.

2 car garageParking

Listed by Frannie Sherwood • Mackintosh, Inc.

•301-662-0155 (broker)

•buzzmac@prodigy.net (broker)

Bought with Kennith Hatfield • Keller Williams Realty Centre

•240-309-6000 (broker)

Redfin checked: a minute ago

•Source:BRIGHT MLS #MDCR100378

Redfin Estimate

$363,472

$124K since sold in February 2019$11K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.7% higher than the average sale price ($337K) of 6 comparable homes.

SOLD OCT 20, 2026
$250,000
A
3 beds2 baths1,261 sq ft
2119 Mayberry Rd, Westminster, MD 21158
SOLD AUG 7, 2026
$400,000
B
3 beds1.5 baths2,124 sq ft
858 Star Ct, Union Bridge, MD 21791
SOLD MAR 6, 2026
$345,000
C
3 beds1 bath1,302 sq ft
2133 Mayberry Rd, Westminster, MD 21158
SOLD APR 30, 2026
$312,000
D
3 beds2 baths1,150 sq ft
312 E Broadway St, Union Bridge, MD 21791
SOLD OCT 22, 2026
$450,000
E
3 beds2 baths1,518 sq ft
4617 Priestland Rd, Union Bridge, MD 21791
SOLD MAY 21, 2026
$267,000
F
3 beds2.5 baths1,448 sq ft
314 E Broadway St, Union Bridge, MD 21791

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Earn from this home

Sell

$179,524

Est. take-home

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Refinance

Est. cash available

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Rent

$2,197/mo

Redfin rental estimate

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Market trends in 21791, MD

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

106.7%

+6.1% MoM

Median sale price

$400K

$10K MoM

Avg. days on market

33d

3 days MoM

Recently sold homes

1 MoM

New listings for sale

NEW 8 HRS AGO
$375,000
3 beds2 baths1,937 sq ft
1807 Clear View Rd, Westminster, MD 21791
(443) 574-1600
COMING SOON
$350,000
3 beds1 bath1,040 sq ft
950 Mckinstrys Mill Rd, Union Bridge, MD 21791
(410) 465-1770
$175,000
2 beds2 baths961 sq ft
420 Brooks Howard Dr, Union Bridge, MD 21791
(301) 471-8830
COMING SOON
$175,000
3 beds1.5 baths1,600 sq ft
13 S Main St, Union Bridge, MD 21791
(410) 823-0033
See all

Provided by Redfin

Sale history for 522 Key Heights Rd

Year

Property tax

Land + Additions

Assessment*

2026

$3,244 (+6.5%)

$85,000 + $199,300

$284,300

2025

$3,044 (+7.0%)

$85,000 + $199,300

$284,300

2024

$2,845 (+7.5%)

2023

$2,646 (+9.4%)

2022

$2,419 (+10.4%)

$85,000 + $145,900

$230,900

2021

$2,192 (+10.6%)

2020

$1,982 (+1.6%)

2019

$1,951 (+2.5%)

$85,000 + $85,100

$170,100

2018

$1,903 (+1.7%)

2017

$1,872 (+9.3%)

$75,000 + $86,800

$161,800

2016

$1,713 (−9.4%)

$75,000 + $86,800

$161,800

2015

$1,891 (−0.9%)

$75,000 + $88,500

$163,500

2014

$1,908

2013

$1,908 (−15.7%)

2011

$2,264 (+6.3%)

2010

$2,131 (+7.2%)

2009

$1,987

Tax history for 522 Key Heights Rd

Year

Property tax

Land + Additions

Assessment*

2026

$3,244 (+6.5%)

$85,000 + $199,300

$284,300

2025

$3,044 (+7.0%)

$85,000 + $199,300

$284,300

2024

$2,845 (+7.5%)

2023

$2,646 (+9.4%)

2022

$2,419 (+10.4%)

$85,000 + $145,900

$230,900

2021

$2,192 (+10.6%)

2020

$1,982 (+1.6%)

2019

$1,951 (+2.5%)

$85,000 + $85,100

$170,100

2018

$1,903 (+1.7%)

2017

$1,872 (+9.3%)

$75,000 + $86,800

$161,800

2016

$1,713 (−9.4%)

$75,000 + $86,800

$161,800

2015

$1,891 (−0.9%)

$75,000 + $88,500

$163,500

2014

$1,908

2013

$1,908 (−15.7%)

2011

$2,264 (+6.3%)

2010

$2,131 (+7.2%)

2009

$1,987

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

Public record

Beds

—

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.46 Acres

Year renovated

—

Sq. Ft.

1,334

Year built

1966

Style

Single Family Residential

County

Carroll County

APN

02 003309

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 8, 2026.

Property details

Parking

Parking Information
# of Detached Garage Spaces: 2
Garage Features: Garage - Front Entry
# of Total Garage and Parking Spaces: 2
Has Garage
# of Garage Spaces: 2
Detached Garage

Interior

Virtual Tour

Bedroom Information
# of Bedrooms On Main Level: 3

Bathroom Information
# of Bathrooms (Full) On Main Level: 1
# of Bathrooms (Full): 1

Interior Information
Appliances: Dishwasher, Dryer, Exhaust Fan, Extra Refrigerator/Freezer, Microwave, Oven/Range - Electric, Refrigerator, Washer
Flooring Type: Hardwood, Carpet, Vinyl, Ceramic Tile
Interior Features: Breakfast Area, Carpet, CeilngFan(s), Combination Kitchen/Dining, Dining Area, Entry Level Bedroom, Floor Plan - Traditional, Kitchen - Country, Kitchen - Table Space, Wood Floors
Living Area Sq.Ft. Source: Assessor

Room Information
# of Rooms: 8
Laundry Type: Lower Floor

Fireplace Information
# of Fireplaces: 1
Brick

Basement Information
Basement: Yes
Other, Full, Outside Entrance, Walkout Stairs, Windows, Unfinished, Rear Entrance, Interior Access

Exterior

Property Information
Not Federal Flood Zone
Total Below Grade Sq. Ft.: 0
Improvement Assessed Value: $85,100
Ownership Interest: Fee Simple
Property Condition: Very Good
Year Built Source: Assessor

Building Information
Construction Materials: Brick, Aluminum Siding
Other Structures: Above Grade, Below Grade
Roof: Asphalt
Structure Type: Detached

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $85,000

Above Grade Information
Finished Sq.Ft.: 1,334
Finished Sq.Ft. Source: Assessor

Below Grade Information
Unfinished Sq.Ft. Source: Assessor
Finished Sq.Ft. Source: Assessor

Financial

Tax Information
Agricultural Tax Due: No
City/Town Tax: $1,859
County Tax: $1,859
Tax Assessed Value: $164,567
Tax Year: 2018
Tax Annual Amount: $1,919

Assessments Information
Year Assessed: 2018

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Cooling Fuel: Electric
Hot Water
Heating Fuel: Oil
Sewer Septic: Community Septic Tank, Private Septic Tank
Water Source: Well

Location

School Information
School District Name: CARROLL COUNTY PUBLIC SCHOOLS
School District Source: Listing Agent

Location Information
In City Limits
Municipality: Union Bridge

Public facts

Beds: —
Baths: 1.0
Sq. Ft.: 1,334
Stories: 1.0
Lot Size: 0.46 acres
Style: Single Family Residential
Year Built: 1966
Year Renovated: —
County: Carroll County
APN: 02 003309

Home facts updated by county records on Oct 8, 2026

Around this home

Schools

K - 12
Preschool & daycare

Elmer A. Wolfe Elementary School

Public PreK-5 • Assigned • 2.0mi

6/10

Northwest Middle School

Public 6-8 • Assigned • 4.5mi

7/10

Francis Scott Key High School

Public 9-12 • Assigned • 0.6mi

8/10

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 103° expected this year, 15 days in 30 years

4/10 Wind Factor

10% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 3 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 4.1 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs

4.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$346,000 – $418,000

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Nearby similar homes

$335,000

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NEW 8 HRS AGO

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New listings for sale in 21791

NEW 8 HRS AGO

$375,000

3 beds2 baths1,937 sq ft

1807 Clear View Rd, Westminster, MD 21791

Hardwood floors • Fuel oil heat • Unfinished basement

(443) 574-1600

COMING SOON

$350,000

3 beds1 bath1,040 sq ft

950 Mckinstrys Mill Rd, Union Bridge, MD 21791

0.65 acre lot • Built 1972

(410) 465-1770

$175,000

2 beds2 baths961 sq ft

420 Brooks Howard Dr, Union Bridge, MD 21791

Acre lot • Local schools • Commuter routes

(301) 471-8830

COMING SOON

$175,000

3 beds1.5 baths1,600 sq ft

13 S Main St, Union Bridge, MD 21791

Italianate exterior • Bracketed cornice • Dentil trim

(410) 823-0033

Home values near 522 Key Heights Rd

Data from public records.

Address	Redfin Estimate
529 Key Heights Road, Union Bridge, MD 3 Beds \| 2 Baths \| 1592 Sq. Ft.	$378,268
525 Key Heights Road, Union Bridge, MD 3 Beds \| 2.5 Baths \| 2344 Sq. Ft.	$381,244
4040 Bark Hill Road, Union Bridge, MD - Beds \| 2.5 Baths \| 3408 Sq. Ft.	$456,827
4121 Bark Hill Road, Union Bridge, MD - Beds \| 3.5 Baths \| 3953 Sq. Ft.	$341,471
465 Hoff Road, Union Bridge, MD - Beds \| 2 Baths \| 1740 Sq. Ft.	$377,058
606 Raywell Avenue, Union Bridge, MD 4 Beds \| 3 Baths \| 3190 Sq. Ft.	$633,592
615 Raywell Avenue, Union Bridge, MD - Beds \| 2 Baths \| 3362 Sq. Ft.	$605,848

Address	Redfin Estimate
520 Key Heights Road, Union Bridge, MD - Beds \| 1.5 Baths \| 1996 Sq. Ft.	$334,115
524 Key Heights Road, Union Bridge, MD 2 Beds \| 1 Baths \| 988 Sq. Ft.	$309,688
4055 Bark Hill Road, Union Bridge, MD - Beds \| 2 Baths \| 1056 Sq. Ft.	$305,549
4022 Bark Hill Road, Union Bridge, MD 4 Beds \| 2 Baths \| 1700 Sq. Ft.	—
4080 Bark Hill Road, Union Bridge, MD - Beds \| 2 Baths \| 1134 Sq. Ft.	$392,409
4085 Bark Hill Road, Union Bridge, MD 2 Beds \| 1 Baths \| 840 Sq. Ft.	$327,441
4076 Bark Hill Road, Union Bridge, MD - Beds \| 1 Baths \| 1388 Sq. Ft.	$352,477

Address	Redfin Estimate
526 Key Heights Road, Union Bridge, MD 2 Beds \| 1 Baths \| 888 Sq. Ft.	$289,357
530 Key Heights Road, Union Bridge, MD - Beds \| 1 Baths \| 1671 Sq. Ft.	$288,738
509 Peace and Plenty Lane, Union Bridge, MD - Beds \| 3.5 Baths \| 2880 Sq. Ft.	$501,280
4035 Bark Hill Road, Union Bridge, MD - Beds \| 1.5 Baths \| 2115 Sq. Ft.	$350,926
501 Peace and Plenty Lane, Union Bridge, MD - Beds \| 1 Baths \| 1232 Sq. Ft.	$331,343
4075 Bark Hill Road, Union Bridge, MD - Beds \| 1 Baths \| 1414 Sq. Ft.	$340,541
455 Hoff Road, Union Bridge, MD - Beds \| 2 Baths \| 2572 Sq. Ft.	$491,669

Property information provided by BRIGHT MLS when last listed in 2018. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 21791, MD

Sale history for 522 Key Heights Rd

Tax history for 522 Key Heights Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 21791

Home values near 522 Key Heights Rd

More real estate resources