OFF MARKET

Off Market Sep 2022 for $333K

$357,050

Est. refi paymentEst. refi $2,165/mo

•

1,490

sq ft

21164 San Mar Rd, Boonsboro, MD 21713

About this home

Unbelievable opportunity to own this completely renovated Stone cottage just minutes from the Appalachian Trail, Greenbrier state park and Frederick county line. Surrounded by farmland and trees this property boasts beautiful views from all directions. The original stone structure was built in the 1800's but was added onto and completely renovated in 2019 making this a truly unique property with the very best of old and new. Beautiful private yard with firepit, Large deck and covered front porch, Exposed stone walls & beams, Gourmet kitchen, Cozy great room, Two spacious bedrooms and baths, Custom walk in closet, Two zone HVAC , Recessed lighting and much more! Prefect for a main residence, weekend retreat or Airbnb.

Single-familyProperty Type

1875Year Built

0.58 acresLot Size

$240Est. Price/Sq.Ft.

Listed by Nina Abell • CapStar Properties

•301-738-7777 (broker)

Listed by Michelle Poe • CapStar Properties

•301-738-7777 (broker)

Bought with Susan Peterson • The Glocker Group Realty Results

•301-745-4400 (broker)

Redfin checked: 4 minutes ago

•Source:BRIGHT MLS #MDWA2009730

Redfin Estimate

$357,050

$24K since sold in September 2022$1,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.6% higher than the average sale price ($326K) of 6 comparable homes.

SOLD MAY 15, 2026
$378,000
A
3 beds2 baths1,502 sq ft
20767 Beaver Creek Rd, Boonsboro, MD 21713
SOLD JUN 11, 2026
$385,000
B
3 beds2 baths1,798 sq ft
501 N Main St, Boonsboro, MD 21713
SOLD JUL 27, 2026
$320,000
C
3 beds2 baths1,122 sq ft
6906 Mariah Furnace Rd, Boonsboro, MD 21713
SOLD JUL 13, 2026
$330,000
D
3 beds1 bath1,428 sq ft
10031 Beaver Creek Church Rd, Hagerstown, MD 21740
SOLD AUG 25, 2026
$222,000
E
3 beds2 baths1,200 sq ft
10635 Crystal Falls Dr, Hagerstown, MD 21742
SOLD JUN 30, 2026
$320,000
F
3 beds2 baths1,764 sq ft
7 Della Ln, Boonsboro, MD 21713

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$88,471

Est. take-home

List your home with Redfin and save $3,571

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$1,610/mo

Redfin rental estimate

List your home for rent

Market trends in 21713, MD

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.3%

+0.4% MoM

Median sale price

$427K

$7K MoM

Avg. days on market

40d

0 days MoM

Recently sold homes

2 MoM

New listings for sale

COMING SOON
$465,000
3 beds2.5 baths2,099 sq ft
6 Thompson Ct, Boonsboro, MD 21713
(301) 882-8710
OPEN SEP 27, 1PM TO 3PM
$530,000
4 beds3.5 baths3,227 sq ft
218 Monument Dr, Boonsboro, MD 21713
(240) 309-6000
NEW 26 HRS AGO
$535,000
6 beds3.5 baths3,714 sq ft
104 N Main St, Boonsboro, MD 21713
(301) 694-8000
OPEN SAT, 1PM TO 3PM
$365,000
4 beds2.5 baths2,590 sq ft
105 Green Fern Cir, Boonsboro, MD 21713
(443) 499-3839
$325,000
3 beds2 baths2,576 sq ft
21425 Ruble Rd, Boonsboro, MD 21713
(703) 679-1700
$359,000
3 beds2.5 baths1,452 sq ft
305 Main St N, Boonsboro, MD 21713
(888) 860-7369
See all

Provided by Redfin

Sale history for 21164 San Mar Rd

Date

Event

Price

BRIGHT MLS #MDWA2009730

Sep 7, 2022

Sold

$333,000

$223/sq ft

Aug 3, 2022

Pending

—

Jul 30, 2022

Listed

$330,000

$221/sq ft

Jul 23, 2022

Coming Soon

$330,000

$221/sq ft

BRIGHT MLS #MDWA168054

Nov 18, 2019

Sold

$269,000

$181/sq ft

Oct 8, 2019

Pending

—

Sep 29, 2019

Listed

$269,000

$181/sq ft

+38

You can still feel the charm of the era in this renovated, rural stone cottage. Situated on over half an acre in the country with a stream beside it, neighboring farms and farmettes, and wildlife sightings typical of county living. This home has been completely remodeled but only in the appropriate way with the cosmetic updates desired today along with updates incorporating the rustic feel of the century of its origin. Offering 2 bedrooms and 2 full baths. The main level boasts a breathtaking kitchen with granite counters, accentuating back splash and stainless steel appliances, spacious living room with hardwood floors, exposed beams and stone, full bath and laundry. Upstairs offers two nice-sized bedrooms, full bath and walk-in closet. Completely updated with newer roof, two heat pumps for dual zoned-efficiency, new well and replacement windows. Relax and enjoy the serenity of the outdoors on the new deck or gather around the stone fire pit. This home would make an excellent Airbnb or vacation home! Truly a rare gem!

Public Records

Jul 15, 2019

Sold

$100,000

$67/sq ft

Public Records

Jun 28, 1985

Sold

$30,000

$20/sq ft

Public Records

Oct 30, 1984

Sold

$23,800

$16/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$3,391 (+10.2%)

2025

$3,077 (+11.4%)

2024

$2,763 (+30.9%)

2023

$2,112 (+44.6%)

$62,900 + $198,200

$261,100

2022

$1,460 (+76.7%)

2021

$826 (+1.0%)

2020

$818 (+0.1%)

$62,900 + $9,400

$72,300

2019

$817 (+0.6%)

2018

$813

$62,900 + $8,100

$71,000

2017

$812 (+0.2%)

2016

$811

$62,900 + $8,000

$70,900

2015

$811

$62,900 + $8,000

$70,900

2014

$812 (−15.0%)

2013

$955 (+3.2%)

2012

$925

2011

$925 (−19.4%)

2010

$1,147 (−22.3%)

2009

$1,477

Tax history for 21164 San Mar Rd

Year

Property tax

Land + Additions

Assessment*

2026

$3,391 (+10.2%)

2025

$3,077 (+11.4%)

2024

$2,763 (+30.9%)

2023

$2,112 (+44.6%)

$62,900 + $198,200

$261,100

2022

$1,460 (+76.7%)

2021

$826 (+1.0%)

2020

$818 (+0.1%)

$62,900 + $9,400

$72,300

2019

$817 (+0.6%)

2018

$813

$62,900 + $8,100

$71,000

2017

$812 (+0.2%)

2016

$811

$62,900 + $8,000

$70,900

2015

$811

$62,900 + $8,000

$70,900

2014

$812 (−15.0%)

2013

$955 (+3.2%)

2012

$925

2011

$925 (−19.4%)

2010

$1,147 (−22.3%)

2009

$1,477

*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

0.58 Acres

Year renovated

—

Sq. Ft.

1,463

Year built

1875

Style

Single Family Residential

County

Washington County

APN

16 005126

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 8, 2026.

A(R)

Agricultural Rural District

The purpose of this district is to provide for continued farming activity and the many uses that do not require public water and sewerage facilities and which may be more suitably located outside of the urban-type growth of the larger communities of the County. The Agricultural zoning district has been purposely drawn to enclose large blocks of the best soils for intensive agricultural production as well as gently rolling topography for farming. Most of the operating farms as well as the largest block of farmland preserved through the Agricultural Preservation Program is located in this area.

Permitted uses

Include but are not limited to:

Agriculture
Equestrian facility
Greenhouse / nursery
Religious facility
Day care facility
Housing-Single unit
Housing-Multiple units
Manufacturing
Public service
Educational/school

Property details

Parking

Parking Information
Driveway

Interior

Bedroom Information
# of Bedrooms On 1st Upper Level: 2

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 1
# of Bathrooms (Full) On Main Level: 1
# of Bathrooms (Full) On All Upper Levels: 1
# of Bathrooms (Full): 2

Interior Information
Living Area Sq.Ft. Source: Assessor

Basement Information
Basement: Yes
Dirt Floor, Sump Pump, Unfinished

Exterior

Property Information
Total Below Grade Sq. Ft.: 0
Improvement Assessed Value: $198,200
Ownership Interest: Fee Simple
Year Built Source: Assessor
Year Major Reno/Remodel: 2019

Building Information
Construction Materials: Stone, Vinyl Siding
Foundation Details: Stone, Other
Other Structures: Above Grade, Below Grade
Structure Type: Detached

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $62,900

Above Grade Information
Finished Sq.Ft.: 1,490
Finished Sq.Ft. Source: Assessor

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

Financial

Tax Information
County Tax: $766
Tax Assessed Value: $135,233
Tax Year: 2021
Tax Annual Amount: $826

Assessments Information
Year Assessed: 2022

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Cooling Fuel: Electric
90% Forced Air
Heating Fuel: Electric
Hot Water: Electric
Sewer Septic: Private Septic Tank
Water Source: Well

Location

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

Location Information
Outside City Limits
Directions: From rt 40 Turn on Mount Lena , left on San Mar and house is on the right

Public facts

Beds: —
Baths: 2.0
Sq. Ft.: 1,463
Stories: 2.0
Lot Size: 0.58 acres
Style: Single Family Residential
Year Built: 1875
Year Renovated: —
County: Washington County
APN: 16 005126

Home facts updated by county records on Sep 8, 2026

Around this home

Schools

Greenbrier Elementary School

Public PreK-5 • Assigned • 0.2mi

7/10

Boonsboro Middle School

Public 6-8 • Assigned • 2.9mi

8/10

Boonsboro High School

Public 9-12 • Assigned • 2.9mi

9/10

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

0.15% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 99° expected this year, 16 days in 30 years

3/10 Wind Factor

4% chance of strong winds in next 30 years

2/10 Air Factor

0 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Boonsboro, MD • 21713

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 hours in June and 3.8 hours in December, placing it below the U.S. average for solar exposure.

9 hrs

3.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$340,000 – $411,000

Reach more buyers when you sell with Redfin. Save up to $3,570 in fees. 3 minutes to get started.

Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

$214,900

2 beds1 bath900 sq ft

22 Emmert Rd, Hagerstown, MD 21740

(301) 739-4800

NEW CONSTRUCTION

$592,990

3 beds2.5 baths2,770 sq ft

Everett Drive - Presley, Boonsboro, MD 21713

(877) 366-2213

$325,000

3 beds2 baths2,576 sq ft

21425 Ruble Rd, Boonsboro, MD 21713

(703) 679-1700

SHORT SALE

$175,000

3 beds1 bath1,352 sq ft

21434 Greenbrier Rd, Boonsboro, MD 21713

(301) 745-4450

$509,900

4 beds2.5 baths3,108 sq ft

11 Thompson Ct, Boonsboro, MD 21713

(301) 882-8710

$179,900

2 beds1 bath988 sq ft

406 Potomac St, Boonsboro, MD 21713

(301) 882-7567

New listings for sale in 21713

COMING SOON

$465,000

3 beds2.5 baths2,099 sq ft

6 Thompson Ct, Boonsboro, MD 21713

(301) 882-8710

OPEN SEP 27, 1PM TO 3PM

$530,000

4 beds3.5 baths3,227 sq ft

218 Monument Dr, Boonsboro, MD 21713

(240) 309-6000

NEW 26 HRS AGO

$535,000

6 beds3.5 baths3,714 sq ft

104 N Main St, Boonsboro, MD 21713

(301) 694-8000

OPEN SAT, 1PM TO 3PM3D WALKTHROUGH

$365,000

4 beds2.5 baths2,590 sq ft

105 Green Fern Cir, Boonsboro, MD 21713

(443) 499-3839

$325,000

3 beds2 baths2,576 sq ft

21425 Ruble Rd, Boonsboro, MD 21713

(703) 679-1700

$359,000

3 beds2.5 baths1,452 sq ft

305 Main St N, Boonsboro, MD 21713

(888) 860-7369

Home values near 21164 San Mar Rd

Data from public records.

Address	Redfin Estimate
21143 San Mar Rd, Boonsboro, MD - Beds \| 2 Baths \| 1560 Sq. Ft.	$497,455
21232 San Mar Rd, Boonsboro, MD - Beds \| 1.5 Baths \| 1176 Sq. Ft.	$339,786

Address	Redfin Estimate
21124 San Mar Rd, Boonsboro, MD - Beds \| 1 Baths \| 1832 Sq. Ft.	$327,412
21122 San Mar Rd, Boonsboro, MD - Beds \| 1 Baths \| 1152 Sq. Ft.	$261,554

Address	Redfin Estimate
21151 San Mar Rd, Boonsboro, MD - Beds \| 2 Baths \| 1676 Sq. Ft.	$321,678
21137 San Mar Rd, Boonsboro, MD 1 Beds \| 1 Baths \| 1017 Sq. Ft.	$267,849

Property information provided by BRIGHT MLS when last listed in 2022. This data may not match . Learn more.

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Houses for sale near me	Baltimore, MD homes for sale	Frederick, MD homes for sale
Land for sale near me	Bethesda, MD homes for sale	Columbia, MD homes for sale
Open Houses near me	Silver Spring, MD homes for sale	Mount Lena Property Records
Condos for sale near me	Bowie, MD homes for sale	MD New Listings
Agents near me	Rockville, MD homes for sale	Mount Lena Housing Market

Martinsburg homes for sale
Frederick homes for sale
Hagerstown homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 21713, MD

Sale history for 21164 San Mar Rd

Tax history for 21164 San Mar Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 21713

Home values near 21164 San Mar Rd

More real estate resources