Google street view image for 428 McKinstrys Mill Rd, Union Bridge, MD 21791

Off market mar 1995 for $232K

$635,380

Est. refi paymentEst. refi $1,541/mo

—

•

5 ba

•

4,035

sq ft

428 McKinstrys Mill Rd, Union Bridge, MD 21791

About this home

428 McKinstrys Mill Rd is a 4,035 square foot house on a 1.02 acre lot with 5 bathrooms. - it last sold on March 02, 1995 for $232,500. Based on Redfin's Union Bridge data, we estimate the home's value is $635,380.

Single-familyProperty Type

1900Year Built

1.02 acresLot Size

$157Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$635,380

$403K since sold in March 1995$2,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 38.7% higher than the average sale price ($458K) of 6 comparable homes.

SOLD OCT 13, 2026
$408,000
A
4 beds2.5 baths2,292 sq ft
113 S Lightner St, Union Bridge, MD 21791
SOLD SEP 2, 2026
$651,000
B
6 beds6.5 baths5,242 sq ft
120 Water St, New Windsor, MD 21776
SOLD JUN 15, 2026
$464,000
C
3 beds2.5 baths2,668 sq ft
414 High St, New Windsor, MD 21776
SOLD SEP 23, 2026
$155,000
D
5 beds2 baths2,312 sq ft
116 S Main, Union Bridge, MD 21791
SOLD AUG 28, 2026
$790,000
E
5 beds4.5 baths3,952 sq ft
9855 Mckinstry Mill Rd, New Windsor, MD 21776
SOLD JUN 2, 2026
$280,000
F
3 beds3 baths2,981 sq ft
6245 Middleburg Rd, Keymar, MD 21757

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Earn from this home

Sell

$596,824

Est. take-home

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Refinance

Est. cash available

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Market trends in 21791, MD

Last updated September 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

$359,900
4 beds1.5 baths1,824 sq ft
4 S Whyte St, Union Bridge, MD 21791
(410) 751-1221
See all

Provided by Redfin

Sale history for 428 McKinstrys Mill Rd

Year

Property tax

Land + Additions

Assessment*

2026

$5,197 (+5.1%)

$125,200 + $353,000

$478,200

2025

$4,947 (+5.1%)

$125,200 + $353,000

$478,200

2024

$4,707 (+5.1%)

2023

$4,477 (+1.2%)

2022

$4,425 (+1.2%)

$125,200 + $269,200

$394,400

2021

$4,374 (+0.3%)

2020

$4,362 (+0.2%)

2019

$4,354 (+1.1%)

$125,200 + $255,500

$380,700

2018

$4,307 (+0.2%)

2017

$4,299

$125,200 + $253,300

$378,500

2016

$4,298 (−2.1%)

$125,200 + $253,300

$378,500

2015

$4,389 (+8.3%)

$125,200 + $261,400

$386,600

2014

$4,051 (+4.4%)

2013

$3,882 (+5.5%)

2012

$3,678 (+3.7%)

2011

$3,548 (+7.3%)

2010

$3,306 (+7.3%)

2009

$3,081

Tax history for 428 McKinstrys Mill Rd

Year

Property tax

Land + Additions

Assessment*

2026

$5,197 (+5.1%)

$125,200 + $353,000

$478,200

2025

$4,947 (+5.1%)

$125,200 + $353,000

$478,200

2024

$4,707 (+5.1%)

2023

$4,477 (+1.2%)

2022

$4,425 (+1.2%)

$125,200 + $269,200

$394,400

2021

$4,374 (+0.3%)

2020

$4,362 (+0.2%)

2019

$4,354 (+1.1%)

$125,200 + $255,500

$380,700

2018

$4,307 (+0.2%)

2017

$4,299

$125,200 + $253,300

$378,500

2016

$4,298 (−2.1%)

$125,200 + $253,300

$378,500

2015

$4,389 (+8.3%)

$125,200 + $261,400

$386,600

2014

$4,051 (+4.4%)

2013

$3,882 (+5.5%)

2012

$3,678 (+3.7%)

2011

$3,548 (+7.3%)

2010

$3,306 (+7.3%)

2009

$3,081

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

Property details

Interior

Bathroom Information
# of Full Baths: 5

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

Fireplace Information
# of Fireplaces: 3
Fireplace Type: 2 Story
Has Fireplace

Exterior

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

Property Information
Subdivision Name: LINWOOD
Living Sq. Ft: 4,035
Building Sq. Ft: 4,035
# of Stories: 3
Stories Type: 3 Story With Basement
Legal Description: LOT 1.0232 AC W/S MCKINSTRYS MILL RD LINWOOD

Parking & Garage Information
Parking Type: Detached Frame Garage
Garage/Parking Sq. Ft: 240
Garage / Carport Type: Detached Frame

Lot Information
# of Buildings: 1
Land Sq. Ft: 44,431
Acres: 1.02
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Private

Financial

Assessor Information
Assessment Year: 2026
Tax District County: 12

Public facts

Beds: —
Baths: 5.0
Sq. Ft.: 4,035
Stories: 3.0
Lot Size: 1.02 acres
Style: Single Family Residential
Year Built: 1900
Year Renovated: —
County: Carroll County
APN: 12 001959

Home facts updated by county records on Oct 8, 2026

Around this home

Schools

Elmer A. Wolfe Elementary School

Public PreK-5 • Assigned • 2.1mi

6/10

Northwest Middle School

Public 6-8 • Assigned • 6.3mi

7/10

Francis Scott Key High School

Public 9-12 • Assigned • 2.2mi

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

$604,000 – $731,000

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Nearby similar homes

FOR SALE BY OWNER

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— beds— baths— sq ft

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New listings for sale in 21791

$359,900

4 beds1.5 baths1,824 sq ft

4 S Whyte St, Union Bridge, MD 21791

(410) 751-1221

Home values near 428 McKinstrys Mill Rd

Data from public records.

Address	Redfin Estimate
421 McKinstrys Mill Road, Linwood, MD 5 Beds \| 4 Baths \| 3880 Sq. Ft.	$547,070
425 McKinstrys Mill Road, Union Bridge, MD - Beds \| 2 Baths \| 2182 Sq. Ft.	$332,789

Address	Redfin Estimate
525 McKinstrys Mill Road, Linwood, MD 3 Beds \| 2 Baths \| 2912 Sq. Ft.	$305,700
580 McKinstrys Mill Road, Union Bridge, MD 2 Beds \| 1 Baths \| 1222 Sq. Ft.	$335,549

Address	Redfin Estimate
426 McKinstrys Mill Road, Union Bridge, MD 5 Beds \| 4 Baths \| 3652 Sq. Ft.	$414,550
427 McKinstrys Mill Road, Union Bridge, MD - Beds \| 1 Baths \| 1880 Sq. Ft.	$304,932

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About this home

Redfin Estimate

Earn from this home

Market trends in 21791, MD

Sale history for 428 McKinstrys Mill Rd

Tax history for 428 McKinstrys Mill Rd

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 428 McKinstrys Mill Rd

More real estate resources