Google street view image for 427 McKinstrys Mill Rd, Union Bridge, MD 21791

Off market may 2003 for $170K

$303,846

Est. refi paymentEst. refi $1,057/mo

—

•

1 ba

•

1,880

sq ft

427 McKinstrys Mill Rd, Union Bridge, MD 21791

About this home

427 McKinstrys Mill Rd is a 1,880 square foot house on a 1.12 acre lot with 1 bathroom. - it last sold on May 06, 2003 for $170,000. Based on Redfin's Union Bridge data, we estimate the home's value is $303,846.

Single-familyProperty Type

1900Year Built

1.12 acresLot Size

$162Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$303,846

$134K since sold in May 2003$1,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10% lower than the average sale price ($338K) of 6 comparable homes.

SOLD APR 30, 2026
$385,000
A
3 beds1.5 baths1,856 sq ft
308 Clear Ridge Rd, Union Bridge, MD 21791
SOLD AUG 19, 2026
$420,000
B
3 beds2 baths1,759 sq ft
4292 Bark Hill Rd, Union Bridge, MD 21791
SOLD MAR 31, 2026
$340,000
C
3 beds1 bath1,948 sq ft
100 George St, Union Bridge, MD 21791
SOLD SEP 23, 2026
$155,000
D
5 beds2 baths2,312 sq ft
116 S Main, Union Bridge, MD 21791
SOLD JUL 27, 2026
$318,000
E
4 beds2 baths1,862 sq ft
37 N Main St, Union Bridge, MD 21791
SOLD OCT 13, 2026
$408,000
F
4 beds2.5 baths2,292 sq ft
113 S Lightner St, Union Bridge, MD 21791

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Earn from this home

Sell

$240,320

Est. take-home

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Est. cash available

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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 6 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 427 McKinstrys Mill Rd

Year

Property tax

Land + Additions

Assessment*

2026

$3,068 (+4.1%)

2025

$2,946 (+4.3%)

2024

$2,824 (+2.1%)

2023

$2,767 (+2.1%)

$131,200 + $115,600

$246,800

2022

$2,710 (+2.1%)

2021

$2,654 (−0.8%)

2020

$2,676

$131,200 + $100,400

$231,600

2019

$2,675 (+0.9%)

2018

$2,650

$131,200 + $100,100

$231,300

2017

$2,650 (−1.6%)

$131,200 + $100,100

$231,300

2016

$2,692 (+0.2%)

$131,200 + $103,900

$235,100

2015

$2,687 (+1.8%)

2014

$2,639 (+4.4%)

2013

$2,528 (+5.7%)

2012

$2,392 (+3.2%)

2011

$2,318 (+7.3%)

2010

$2,159 (+7.3%)

2009

$2,012

Tax history for 427 McKinstrys Mill Rd

Year

Property tax

Land + Additions

Assessment*

2026

$3,068 (+4.1%)

2025

$2,946 (+4.3%)

2024

$2,824 (+2.1%)

2023

$2,767 (+2.1%)

$131,200 + $115,600

$246,800

2022

$2,710 (+2.1%)

2021

$2,654 (−0.8%)

2020

$2,676

$131,200 + $100,400

$231,600

2019

$2,675 (+0.9%)

2018

$2,650

$131,200 + $100,100

$231,300

2017

$2,650 (−1.6%)

$131,200 + $100,100

$231,300

2016

$2,692 (+0.2%)

$131,200 + $103,900

$235,100

2015

$2,687 (+1.8%)

2014

$2,639 (+4.4%)

2013

$2,528 (+5.7%)

2012

$2,392 (+3.2%)

2011

$2,318 (+7.3%)

2010

$2,159 (+7.3%)

2009

$2,012

*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: 1

Heating & Cooling
Heating Type: Hot Air

Exterior

Exterior Information
Building Construction Quality: Fair
Exterior Wall: Aluminum/Vinyl
Roof Shape Type: Metal
Building Type: Single Family

Property Information
Subdivision Name: LINWOOD
Living Sq. Ft: 1,880
Building Sq. Ft: 1,880
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: LT - 1.12 ACS E/S MCKINSTRYS MILL RD UNION BRIDGE

Parking & Garage Information
Parking Type: Detached Frame Garage
Garage/Parking Sq. Ft: 224
Garage / Carport Type: Detached Frame

Lot Information
# of Buildings: 1
Land Sq. Ft: 48,787
Acres: 1.12
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Private

Financial

Assessor Information
Assessment Year: 2026
Tax District County: 11

Public facts

Beds: —
Baths: 1.0
Sq. Ft.: 1,880
Stories: 2.0
Lot Size: 1.12 acres
Style: Single Family Residential
Year Built: 1900
Year Renovated: —
County: Carroll County
APN: 11 004210

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 • 2.1mi

6/10

Northwest Middle School

Public 6-8 • Assigned • 6.3mi

7/10

Francis Scott Key High School

Public 9-12 • Assigned • 2.1mi

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

$289,000 – $350,000

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Nearby similar homes

FOR SALE BY OWNER

$14,900

— beds— baths— sq ft

Hawks Hill Rd, New Windsor, MD 21776

Listed 25 days

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2 beds1.5 baths1,056 sq ft

110 N Main St, Union Bridge, MD 21791

Fully remodeled home • All new windows • Vinyl siding

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Dedicated entry area • Spacious sanctuary • Large windowed rooms

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NEW 6 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

$359,900

4 beds1.5 baths1,824 sq ft

4 S Whyte St, Union Bridge, MD 21791

Quartz countertops • Soft-close drawers • Fenced backyard

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5 beds5 baths3,400 sq ft

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Private 3.1 acres • Outdoor living space • His and her closets

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New listings for sale in 21791

NEW 6 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 427 McKinstrys Mill Rd

Data from public records.

Address	Redfin Estimate
421 McKinstrys Mill Rd, Linwood, MD 5 Beds \| 4 Baths \| 3880 Sq. Ft.	$553,118
425 McKinstrys Mill Rd, Union Bridge, MD - Beds \| 2 Baths \| 2182 Sq. Ft.	$356,432
418 McKinstrys Mill Rd, Union Bridge, MD - Beds \| 1 Baths \| 3798 Sq. Ft.	$502,618
431 McKinstrys Mill Rd, Union Bridge, MD 3 Beds \| 2.5 Baths \| 3101 Sq. Ft.	$518,174
4075 Watson Ln, Union Bridge, MD 3 Beds \| 1.5 Baths \| 1160 Sq. Ft.	$315,506
4130 Watson Ln, Union Bridge, MD - Beds \| 1 Baths \| 1872 Sq. Ft.	$320,866

Address	Redfin Estimate
525 McKinstrys Mill Rd, Linwood, MD 3 Beds \| 2 Baths \| 2912 Sq. Ft.	$264,077
580 McKinstrys Mill Rd, Union Bridge, MD 2 Beds \| 1 Baths \| 1222 Sq. Ft.	$337,200
416 McKinstrys Mill Rd, Linwood, MD - Beds \| 1 Baths \| 1165 Sq. Ft.	$247,472
426 Mckinstrys Mill Rd Apt NA, Union Bridge, MD - Beds \| - Baths \| - Sq. Ft.	$729,754
4050 Starr Ln, Union Bridge, MD - Beds \| 1.5 Baths \| 1044 Sq. Ft.	$277,010
1006 Winters Church Rd, Linwood, MD - Beds \| - Baths \| - Sq. Ft.	$285,002

Address	Redfin Estimate
426 McKinstrys Mill Rd, Union Bridge, MD 5 Beds \| 4 Baths \| 3652 Sq. Ft.	$432,551
423 McKinstrys Mill Rd, Linwood, MD - Beds \| 1 Baths \| 1444 Sq. Ft.	$352,094
428 McKinstrys Mill Rd, Union Bridge, MD - Beds \| 5 Baths \| 4035 Sq. Ft.	$627,556
432 McKinstrys Mill Rd, Linwood, MD - Beds \| 1.5 Baths \| 2824 Sq. Ft.	$475,834
4065 Watson Ln, Linwood, MD 2 Beds \| 2 Baths \| 1200 Sq. Ft.	$219,980

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 21791, MD

Sale history for 427 McKinstrys Mill Rd

Tax history for 427 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 427 McKinstrys Mill Rd

More real estate resources