OFF MARKET

Off Market May 2025 for $553K

$674,040

Est. refi paymentEst. refi $3,533/mo

•

2,160

sq ft

12730 Knoll Rd, Mount Airy, MD 21771

About this home

Welcome to this spacious 4-bedroom, 2 full bath, and 1 half bath contemporary home set on 5 picturesque acres. This home offers endless potential for the right buyer, with a layout that includes a large living area, ample bedrooms, and generous outdoor space perfect for privacy or recreation. The property also features a detached garage/barn with providing additional storage or workspace. The master bathroom has been gutted and is ready for your personal touch, allowing you to create the perfect retreat. While the home is in need of some improvements, this presents an excellent opportunity for those looking to invest in a property that can be transformed into their dream home. Please note that this home is not eligible for traditional financing and will require alternative financing options. With a little vision and effort, this property has the potential to be a truly unique and customized living space. Don’t miss your chance to make this property your own!

Single-familyProperty Type

1967Year Built

5 acresLot Size

$312Est. Price/Sq.Ft.

4 car garageParking

Listed by Bob Chew • Berkshire Hathaway HomeServices PenFed Realty

•410-465-4440 (broker)

•bobandronna@bobandronna.com (broker)

Listed by Erika Key • Berkshire Hathaway HomeServices PenFed Realty

•410-465-4440 (broker)

•bobandronna@bobandronna.com (broker)

Bought with Kay Riddle • New Solutions Realty

•301-455-7591 (broker)

•kaynsrealty@gmail.com (broker)

Redfin checked: 3 minutes ago

•Source:BRIGHT MLS #MDFR2061488

Redfin Estimate

$674,040

$121K since sold in May 2025$24K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.1% lower than the average sale price ($675K) of 6 comparable homes.

SOLD MAY 29, 2026
$555,000
A
4 beds3 baths2,300 sq ft
5010 Lee Hill Cir, Monrovia, MD 21770
SOLD APR 30, 2026
$910,000
B
4 beds2.5 baths3,128 sq ft
12834 Jesse Smith Rd, Mount Airy, MD 21771
SOLD AUG 19, 2026
$855,000
C
4 beds2.5 baths3,457 sq ft
6501 Green Valley Rd, New Market, MD 21774
SOLD MAY 18, 2026
$555,000
D
3 beds2.5 baths1,944 sq ft
5635 Catoctin Ridge Dr, Mount Airy, MD 21771
SOLD JUN 15, 2026
$650,000
E
4 beds2 baths2,688 sq ft
13448 Old Annapolis Rd, Mount Airy, MD 21771
SOLD JUL 24, 2026
$525,000
F
3 beds2.5 baths2,186 sq ft
5811 Corporal Jones Ct, Mount Airy, MD 21771

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Earn from this home

Sell

$201,265

Est. take-home

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Refinance

Est. cash available

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Rent

$3,157/mo

Redfin rental estimate

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Market trends in 21771, MD

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.2%

1.3% MoM

Median sale price

$677K

$8K MoM

Avg. days on market

28d

3 days MoM

Recently sold homes

101

9 MoM

New listings for sale

OPEN SAT, 3PM TO 5PM
$675,000
5 beds3 baths1,990 sq ft
692 Ridge, Mount Airy, MD 21771
(240) 403-0400
$494,000
3 beds2.5 baths1,575 sq ft
713 Merry Go Round Way, Mount Airy, MD 21771
(240) 815-9040
COMING SOON
$525,000
3 beds2 baths1,344 sq ft
4404 Buffalo Rd, Mount Airy, MD 21771
(301) 831-5600
COMING SOON
$574,900
4 beds3.5 baths1,946 sq ft
14116 Peddicord Rd, Mount Airy, MD 21771
(240) 309-6000
OPEN FRI, 4:30PM TO 7PM
$699,900
4 beds3.5 baths3,236 sq ft
1204 Longbow Rd, Mount Airy, MD 21771
(301) 882-8710
3D WALKTHROUGH
$1,450,000
7 beds4 baths4,488 sq ft
2545 Mullinix Mill Rd, Mt Airy, MD 21771
(240) 309-6000
SHORT SALE
$299,900
2 beds1 bath1,302 sq ft
28940 Ridge, Mount Airy, MD 21771
(410) 823-0033
$885,000
4 beds6 baths2,616 sq ft
1031 Saint Michaels Rd, Mount Airy, MD 21771
(877) 366-2213
3D WALKTHROUGH
$574,900
4 beds3 baths1,720 sq ft
5350 Pommel Dr, Mount Airy, MD 21771
(833) 335-7433
COMING SOON
$424,900
2 beds2 baths1,468 sq ft
4 Donalds Ln, Mount Airy, MD 21771
(301) 831-5099
See all

Provided by Redfin

Redfin agents who toured

Lot and area are very nice. The home needs updating but has a lot of potential. The fireplace is a very nice feature. Great location.
7 years ago• May not reflect the current state of the home
Yolanda Hashim
Redfin Associate agent

Sale history for 12730 Knoll Rd

Date

Event

Price

BRIGHT MLS #MDFR2061488

May 30, 2025

Sold

$553,000

$256/sq ft

Apr 11, 2025

Pending

—

Apr 4, 2025

Listed

$600,000

$278/sq ft

BRIGHT MLS #MDFR255396

Dec 13, 2019

Sold

$370,000

$171/sq ft

Nov 1, 2019

Pending

—

Oct 18, 2019

Listed

$375,000

$174/sq ft

+27

Charming Rancher Set on a 5 Acre Private Lot. Light-Filled Interiors and Lofty Windows; Living and Dining Rooms with a Stone Profile Fireplace, Soaring Beamed Cathedral Ceilings, and Easy Access to the Enclosed Porch; Expansive Family Room set off the Kitchen; Master Bedroom with a Full Bath and Incredible Views; Three Bedrooms, Full Bath, Laundry Room, Powder Room, and Storage Room Complete the Main Level. Exterior Features: 2-Car Attached Garage, 3-Car-Detached Garage | Barn with Upper-Level Storage, Landscaped Grounds, Covered Front Porch, Patio, Above Ground Pool, Flood Lights, and Backs to Trees. A MUST SEE!

BRIGHT MLS #MDFR250874

Oct 18, 2019

Listing Removed

—

Sep 11, 2019

Price Changed

$625,000

$289/sq ft

Aug 1, 2019

Listed

$650,000

$301/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$5,834 (+9.6%)

2024

$5,322 (+11.4%)

2023

$4,776 (+7.5%)

$181,000 + $246,300

$427,300

2022

$4,442 (+7.2%)

2021

$4,143 (+1.2%)

2020

$4,096 (+0.3%)

$139,000 + $201,900

$340,900

2019

$4,084 (−0.6%)

2018

$4,108 (+1.4%)

$139,000 + $198,900

$337,900

2017

$4,051 (+0.2%)

2015

$4,044 (−0.4%)

$139,000 + $193,500

$332,500

2014

$4,058 (−2.7%)

2013

$4,170 (+4.4%)

2012

$3,993 (+4.2%)

2011

$3,830

2010

$3,830 (+33.0%)

2009

$2,879

Tax history for 12730 Knoll Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,834 (+9.6%)

2024

$5,322 (+11.4%)

2023

$4,776 (+7.5%)

$181,000 + $246,300

$427,300

2022

$4,442 (+7.2%)

2021

$4,143 (+1.2%)

2020

$4,096 (+0.3%)

$139,000 + $201,900

$340,900

2019

$4,084 (−0.6%)

2018

$4,108 (+1.4%)

$139,000 + $198,900

$337,900

2017

$4,051 (+0.2%)

2015

$4,044 (−0.4%)

$139,000 + $193,500

$332,500

2014

$4,058 (−2.7%)

2013

$4,170 (+4.4%)

2012

$3,993 (+4.2%)

2011

$3,830

2010

$3,830 (+33.0%)

2009

$2,879

*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

2.5

Stories

Lot width

—

Lot depth

—

Lot size

5 Acres

Year renovated

—

Sq. Ft.

2,160

Year built

1967

Style

Single Family Residential

County

Frederick County

APN

09 243240

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 17, 2026.

Residential District 1

The purpose of the residential density districts is to promote healthful and convenient distribution of population with sufficient densities to maintain a high standard of physical design and community service. Residential density districts will conform to the County Comprehensive Plan and will be located within areas identified for residential development. The districts, as a group, are intended to provide for a variety of dwelling types and densities and to offer housing choices at various economic levels. It is further the intent to establish various densities of residential developments in order to efficiently and effectively provide for necessary public services and facilities. The following residential density districts and maximum densities are hereby established.

Permitted uses

Include but are not limited to:

Agriculture
Housing-Group
Housing-Single unit
Housing-Multiple units

Property details

Parking

Parking Information
# of Detached Garage Spaces: 2
# of Attached Garage Spaces: 2
Garage Features: Additional Storage Area
# of Total Garage and Parking Spaces: 4
Has Garage
# of Garage Spaces: 4
Attached Garage, Detached Garage

Interior

Virtual Tour

Bedroom Information
# of Bedrooms On Main Level: 4

Bathroom Information
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Full) On Main Level: 2
# of Bathrooms (Half): 1
# of Bathrooms (Full): 2

Interior Information
Appliances: Dishwasher, Dryer, Oven/Range - Electric, Washer, Built-In Microwave
Flooring Type: Carpet, Hardwood
Interior Features: Dining Area, Wood Floors, Exposed Beams
Living Area Sq.Ft. Source: Assessor
Wall & Ceiling Types: Beamed Ceilings, Paneled Walls

Room Information
Laundry Type: Main Floor

Fireplace Information
Has Fireplace
# of Fireplaces: 1
Wood

Basement Information
Basement: No

Exterior

Property Information
Total Below Grade Sq. Ft.: 0
Accessibility Features: Other
Improvement Assessed Value: $303,500
Ownership Interest: Fee Simple
Year Built Source: Assessor

Building Information
Construction Materials: Cedar
Foundation Details: Slab
Other Structures: Above Grade, Below Grade
Outdoor Living Structures: Patio(s)
Roof: Architectural Shingle
Structure Type: Detached
Other Structures: 2nd Garage, Barn

Exterior Information
Outbuilding(s)

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $250,500

Above Grade Information
Finished Sq.Ft.: 2,160
Finished Sq.Ft. Source: Assessor

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

Financial

Tax Information
County Tax: $5,222
Tax Assessed Value: $469,533
Tax Year: 2024
Tax Annual Amount: $5,222

Assessments Information
Year Assessed: 2025

Utilities

Utilities Information
Radiant
Heating Fuel: Electric
Hot Water: Electric
Sewer Septic: Private Septic Tank
Water Source: Well

Location

School Information
Elementary School: NEW MARKET
Middle Or Junior School: NEW MARKET
High School: LINGANORE
School District Name: FREDERICK COUNTY PUBLIC SCHOOLS
Elementary School Source: Listing Agent
Middle School Source: Listing Agent
School District Source: Listing Agent

Location Information
Outside City Limits
Directions: USE GPS

Public facts

Beds: —
Baths: 2.5
Sq. Ft.: 2,160
Stories: 1.0
Lot Size: 5 acres
Style: Single Family Residential
Year Built: 1967
Year Renovated: —
County: Frederick County
APN: 09 243240

Home facts updated by county records on Jul 17, 2026

Around this home

Schools

New Market Elementary School

Public PreK-5 • Assigned • 2.9mi

10/10

New Market Middle School

Public 6-8 • Assigned • 3.0mi

7/10

Linganore High School

Public 9-12 • Assigned • 2.9mi

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

3/10 Fire Factor

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

5/10 Heat Factor

7 days above 102° expected this year, 15 days in 30 years

4/10 Wind Factor

7% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 2 days in 30 years

Provided by First Street

Historical weather

Mount Airy, MD • 21771

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

9.2 hrs

4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$641,000 – $776,000

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Nearby similar homes

$80,000

Land— sq ft

5151-C Old Bartholows Rd, Mt Airy, MD 21771

(410) 488-3124

VIDEO TOUR

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4 beds4.5 baths5,384 sq ft

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LISTED BY REDFIN3D WALKTHROUGH

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5810 Corporal Jones, Mount Airy, MD 21771

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6 beds3.5 baths3,896 sq ft

4109 Cove Ct, Monrovia, MD 21770

(240) 938-0509

3D WALKTHROUGH

$824,900

4 beds3.5 baths3,301 sq ft

11058 Emerald Crown Dr, Monrovia, MD 21770

(410) 220-5745

$524,900

3 beds2 baths1,929 sq ft

5759 Windwood Way, New Market, MD 21774

(301) 831-5600

New listings for sale in 21771

OPEN SAT, 3PM TO 5PM

$675,000

5 beds3 baths1,990 sq ft

692 Ridge, Mount Airy, MD 21771

(240) 403-0400

$494,000

3 beds2.5 baths1,575 sq ft

713 Merry Go Round Way, Mount Airy, MD 21771

(240) 815-9040

COMING SOON

$525,000

3 beds2 baths1,344 sq ft

4404 Buffalo Rd, Mount Airy, MD 21771

(301) 831-5600

COMING SOON

$574,900

4 beds3.5 baths1,946 sq ft

14116 Peddicord Rd, Mount Airy, MD 21771

(240) 309-6000

OPEN FRI, 4:30PM TO 7PM3D WALKTHROUGH

$699,900

4 beds3.5 baths3,236 sq ft

1204 Longbow Rd, Mount Airy, MD 21771

(301) 882-8710

3D WALKTHROUGH

$1,450,000

7 beds4 baths4,488 sq ft

2545 Mullinix Mill Rd, Mt Airy, MD 21771

(240) 309-6000

SHORT SALE

$299,900

2 beds1 bath1,302 sq ft

28940 Ridge, Mount Airy, MD 21771

(410) 823-0033

$885,000

4 beds6 baths2,616 sq ft

1031 Saint Michaels Rd, Mount Airy, MD 21771

(877) 366-2213

3D WALKTHROUGH

$574,900

4 beds3 baths1,720 sq ft

5350 Pommel Dr, Mount Airy, MD 21771

(833) 335-7433

Home values near 12730 Knoll Rd

Data from public records.

Address	Redfin Estimate
12713 Knoll Rd, Mount Airy, MD - Beds \| 3 Baths \| 2932 Sq. Ft.	$725,470
12625 Knoll Rd, Mount Airy, MD - Beds \| 3.5 Baths \| 3619 Sq. Ft.	$881,180

Address	Redfin Estimate
12701 Knoll Rd, Mount Airy, MD 4 Beds \| 3.5 Baths \| 2418 Sq. Ft.	$880,000
12640 Knoll Rd, Mount Airy, MD 5 Beds \| 3 Baths \| 2642 Sq. Ft.	$835,690

Address	Redfin Estimate
12639 Knoll Rd, Mount Airy, MD 4 Beds \| 4.5 Baths \| 4326 Sq. Ft.	$817,901
12736 Knoll Rd, Mount Airy, MD - Beds \| 2 Baths \| 2046 Sq. Ft.	$568,135

Property information provided by BRIGHT MLS when last listed in 2025. This data may not match . Learn more.

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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 21771, MD

Redfin agents who toured

Sale history for 12730 Knoll Rd

Tax history for 12730 Knoll Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 21771

Home values near 12730 Knoll Rd

More real estate resources