Google street view image for 10820 Factory Rd, Glen Arm, MD 21057

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SOLD

$676,380

Est. refi paymentEst. refi $4,177/mo

—

•

3 ba

•

2,904

sq ft

10820 Factory Rd, Glen Arm, MD 21057

About this home

2.5 acres, beautiful pool, 4 car garage with apartment, terrific deck for entertaining offer enormous opportunity to create family gathering place, pasture for horse & space for everyone in this 5 bedroom 3 bath home. Secluded area protected from development, mature trees and wonderful gardens. Open living/dining/kitchen are perfect for entertaining; all 20 minutes from downtown.

Single-familyProperty Type

1975Year Built

2.26 acresLot Size

$233Est. Price/Sq.Ft.

4 spacesParking

Source:Public Records

Redfin Estimate

$676,380

$136K since sold in November 2007$6,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 51.8% higher than the average sale price ($446K) of 6 comparable homes.

SOLD MAY 29, 2026
$435,000
A
4 beds2.5 baths1,755 sq ft
3513 Fondulac Rd, Baltimore, MD 21234
SOLD AUG 3, 2026
$405,000
B
5 beds3 baths2,156 sq ft
9517 Perry Brook Ct, Baltimore, MD 21236
SOLD MAY 4, 2026
$450,000
C
4 beds3 baths2,000 sq ft
9469 Seven Courts Dr, Baltimore, MD 21236
SOLD AUG 11, 2026
$520,000
D
4 beds2.5 baths1,970 sq ft
3803 Proctor Ln, Baltimore, MD 21236
SOLD MAY 1, 2026
$420,000
E
4 beds3 baths1,814 sq ft
9422 Gunview Rd, Baltimore, MD 21236
SOLD JUL 27, 2026
$443,000
F
4 beds3 baths1,806 sq ft
3815 Perryhurst Pl, Baltimore, MD 21236

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Earn from this home

Sell

$635,471

Est. take-home

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Refinance

Est. cash available

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Rent

$3,728/mo

Redfin rental estimate

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Market trends in 21057, MD

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

97.7%

1.5% MoM

Median sale price

$582K

$158K MoM

Avg. days on market

29d

25 days MoM

Recently sold homes

1 MoM

New listings for sale

$1,150,000
5 beds4 baths5,433 sq ft
11911 Manor Rd, Glen Arm, MD 21057
(410) 823-0033
COMING SOON
$1,400,000
6 beds4 baths4,144 sq ft
11202 Old Carriage Rd, Glen Arm, MD 21057
(410) 740-7100
$700,000
4 beds2.5 baths2,834 sq ft
8 Tree Farm Ct, Glen Arm, MD 21057
(410) 795-9600
See all

Provided by Redfin

Sale history for 10820 Factory Rd

** Price available after signing in.

Year

Property tax

Land + Additions

Assessment*

2026

$7,192 (+4.3%)

$122,100 + $554,100

$676,200

2025

$6,894 (+4.4%)

$122,100 + $554,100

$676,200

2024

$6,605 (+4.4%)

2023

$6,325 (+5.0%)

2022

$6,024 (+3.1%)

$112,600 + $421,400

$534,000

2021

$5,841 (+4.1%)

2020

$5,611 (+2.3%)

2019

$5,487 (+0.7%)

$112,600 + $345,400

$458,000

2018

$5,447 (+4.9%)

2017

$5,192 (−2.7%)

$112,600 + $314,700

$427,300

2015

$5,334 (−4.5%)

$112,600 + $340,100

$452,700

2014

$5,586 (+0.7%)

2013

$5,547 (−2.0%)

2012

$5,659 (−4.2%)

2011

$5,909

2010

$5,909 (+3.2%)

2009

$5,726

Tax history for 10820 Factory Rd

Year

Property tax

Land + Additions

Assessment*

2026

$7,192 (+4.3%)

$122,100 + $554,100

$676,200

2025

$6,894 (+4.4%)

$122,100 + $554,100

$676,200

2024

$6,605 (+4.4%)

2023

$6,325 (+5.0%)

2022

$6,024 (+3.1%)

$112,600 + $421,400

$534,000

2021

$5,841 (+4.1%)

2020

$5,611 (+2.3%)

2019

$5,487 (+0.7%)

$112,600 + $345,400

$458,000

2018

$5,447 (+4.9%)

2017

$5,192 (−2.7%)

$112,600 + $314,700

$427,300

2015

$5,334 (−4.5%)

$112,600 + $340,100

$452,700

2014

$5,586 (+0.7%)

2013

$5,547 (−2.0%)

2012

$5,659 (−4.2%)

2011

$5,909

2010

$5,909 (+3.2%)

2009

$5,726

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

Public record

Public record
Zoning

Beds

—

Baths

Stories

Lot width

—

Lot depth

—

Lot size

2.26 Acres

Year renovated

—

Sq. Ft.

2,904

Year built

1975

Style

Single Family Residential

County

Baltimore County

APN

11 1700007474

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 29, 2026.

RC 2

Agricultural Zone

The RC2 zoning classification is established in order to foster conditions favorable to a continued agricultural use of the productive agricultural areas of Baltimore County by preventing incompatible forms and degrees of urban uses.

Permitted uses

Include but are not limited to:

Equestrian facility
Housing-Single unit
Infrastructure
Agriculture
Park & open space

Property details

Around this home

Schools

Carroll Manor Elementary School

Public K-5 • Assigned • 5.3mi

10/10

Pine Grove Middle School

Public 6-8 • Assigned • 2.1mi

5/10

Loch Raven High School

Public 9-12 • Assigned • 3.7mi

4/10

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

0.46% chance of being in a wildfire in next 30 years

7/10 Heat Factor

7 days above 105° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Glen Arm, MD • 21057

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

9.2 hrs

4.5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$643,000 – $778,000

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Nearby similar homes

$325,000

4 beds2 baths2,064 sq ft

3418 E Joppa Rd, Parkville, MD 21234

(301) 388-2600

$979,000

5 beds4.5 baths3,740 sq ft

12314 Long Green Pike, Glen Arm, MD 21057

(410) 823-0033

NEW CONSTRUCTION

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4022 Milner Rd, Nottingham, MD 21236

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3 beds2 baths2,300 sq ft

4516 E Joppa Rd, Perry Hall, MD 21128

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4 beds2 baths1,648 sq ft

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(410) 823-0033

$464,990

4 beds2.5 baths2,215 sq ft

9212 Snyder Ln, Perry Hall, MD 21128

(410) 497-5238

New listings for sale in 21057

$1,150,000

5 beds4 baths5,433 sq ft

11911 Manor Rd, Glen Arm, MD 21057

(410) 823-0033

COMING SOON

$1,400,000

6 beds4 baths4,144 sq ft

11202 Old Carriage Rd, Glen Arm, MD 21057

(410) 740-7100

$700,000

4 beds2.5 baths2,834 sq ft

8 Tree Farm Ct, Glen Arm, MD 21057

(410) 795-9600

Home values near 10820 Factory Rd

Data from public records.

Address	Redfin Estimate
11022 Factory Rd, Glen Arm, MD - Beds \| 2 Baths \| 1380 Sq. Ft.	$394,226
10822 Factory Rd, Glen Arm, MD - Beds \| 2.5 Baths \| 2299 Sq. Ft.	$615,391

Address	Redfin Estimate
10919 Factory Rd, Glen Arm, MD 3 Beds \| 2 Baths \| 1105 Sq. Ft.	$403,029
10824 Factory Rd, Glen Arm, MD 5 Beds \| 3.5 Baths \| 3944 Sq. Ft.	$656,778

Address	Redfin Estimate
10920 Factory Rd, Glen Arm, MD - Beds \| 1.5 Baths \| 1440 Sq. Ft.	$418,392
10900 Factory Rd, Glen Arm, MD - Beds \| 2 Baths \| 1484 Sq. Ft.	$551,390

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10820 Factory Rd, Glen Arm, MD 21057

About this home

Redfin Estimate

Earn from this home

Market trends in 21057, MD

Sale history for 10820 Factory Rd

Tax history for 10820 Factory Rd

Public record

Property details

Public facts

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 21057

Home values near 10820 Factory Rd

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