OFF MARKET

Off market mar 2021 for $510K

$725,022

Est. refi paymentEst. refi $3,906/mo

•

2,852

sq ft

2400 Flag Marsh Rd, Mount Airy, MD 21771

About this home

Welcome Home to your Peaceful Retreat! This Home sits on 1.8 acres quietly tucked away from it all, yet close enough to the action! Just off Route 70, close to Columbia, Eldersburg, Frederick, Ellicott City, Damascus and more! Enjoy your LARGE OPEN Kitchen as it comes Fully Equipped with ALL Stainless Steel Appliances (all APPL's are within 5yrs old but the microwave is brand new!) including a DOUBLE OVEN!! * Hardwood Floors & Crown Molding * CENTRAL VAC on all 3 levels * ENJOY the BEAUTIFUL Views on your DECKS (yes you heard right. .. you get a 2 tiered Deck off the Kitchen & a Side deck off of the Family Room) or Patio while sipping your Morning Coffee or Evening Cocktails. Its' all an ENTERTAINERS DREAM! This Custom Built Modular Home has a 2 Story Foyer included with a Formal Living Room and Dining Room that is also Perfect for Entertaining. 4 Bed, 3 1/2 Bath is Suitable with Maximum Comfort with HUGE/DEEP Closet Space for Extra Storage THRU OUT the Entire House! If you need Storage. .. you won't want to look anywhere else! Enjoy your Fully Finished Walk Out Basement to include an Apartment Rental. There is a full bathroom & kitchen area in the Lower Level Apartment along with a private entrance that is ground level with Natural Daylight! This Lovely Home has an Oversized 2 Car Side Load Garage with a Pull Down (Floored ) Storage for Extra Space! It also has 5Yr Young Architectural ROOF w/ Lifetime Shingle & Labor Warranty. UPDATED Insulation in Attic! NEW Sliding Glass Doors and More! Home is being Sold "As-Is" but in Good Condition! Other Homes in the Area are going for $600-$650k! Act Fast because this won't last! The potential here is AMAZING!!

Single-familyProperty Type

1987Year Built

1.8 acresLot Size

$254Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Melissa Cheetham • Keller Williams Flagship

•410-729-7700 (broker)

Bought with Melissa Cheetham • Keller Williams Flagship

•410-729-7700 (broker)

Redfin checked: 3 minutes ago

•Source:BRIGHT MLS #MDCR201262

Redfin Estimate

$725,022

$215K since sold in March 2021$2,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.5% lower than the average sale price ($802K) of 6 comparable homes.

SOLD JUN 4, 2026
$900,000
A
4 beds3 baths2,838 sq ft
6341 Twin Ponds Ln, Mount Airy, MD 21771
SOLD SEP 29, 2026
$765,000
B
4 beds3.5 baths3,500 sq ft
7050 Shadyside Dr, Mount Airy, MD 21771
SOLD JUN 26, 2026
$849,000
C
4 beds3.5 baths3,208 sq ft
7222 Patton Dr, Woodbine, MD 21797
SOLD OCT 1, 2026
$800,000
D
4 beds3.5 baths4,276 sq ft
16515 Frederick Rd, Mount Airy, MD 21771
SOLD FEB 12, 2026
$655,000
E
4 beds3.5 baths2,876 sq ft
16329 Old Frederick Rd, Mount Airy, MD 21771
SOLD JUN 23, 2026
$840,000
F
4 beds3.5 baths3,418 sq ft
3312 Heavenly Cause, Mount Airy, MD 21771

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

Earn from this home

Sell

$318,321

Est. take-home

List your home with Redfin and save $7,250

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$3,687/mo

Redfin rental estimate

List your home for rent

Market trends in 21771, MD

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.9%

0.2% MoM

Median sale price

$620K

$63K MoM

Avg. days on market

35d

2 days MoM

Recently sold homes

3 MoM

New listings for sale

$560,000
3 beds2 baths2,095 sq ft
13202 Jesse Smith Rd, Mount Airy, MD 21771
(410) 740-1200
OPEN SAT, 11AM TO 1PM
$815,000
4 beds2.5 baths2,976 sq ft
1808 Kings Forest Trl Trl, Mount Airy, MD 21771
(410) 705-6295
3D WALKTHROUGH
$835,000
3 beds2 baths2,432 sq ft
16464 Old Frederick Rd, Mount Airy, MD 21771
(703) 349-3900
REDFIN COMING SOON
$525,000
4 beds3 baths2,780 sq ft
3 Culwell Dr, Mount Airy, MD 21771
$550,000
4 beds2.5 baths2,160 sq ft
112 Cloverdale Ct, Mount Airy, MD 21771
(301) 694-8000
$600,000
3 beds2 baths2,035 sq ft
13024 Old National Pike, Mount Airy, MD 21771
(301) 591-3920
3D WALKTHROUGH
$1,550,000
4 beds4.5 baths4,686 sq ft
5925B Woodville Rd, Mt Airy, MD 21771
(301) 945-9010
3D WALKTHROUGH
$1,100,000
4 beds3.5 baths3,720 sq ft
16816 Hardy Rd, Mount Airy, MD 21771
(240) 309-6000
COMING SOON
16980 Moss Meadow Way NW, Mount Airy, MD 21771
$465,000
2 beds1 bath1,384 sq ft
16980 Moss Meadow Way NW, Mount Airy, MD 21771
(443) 632-3000
See all

Provided by Redfin

Sale history for 2400 Flag Marsh Rd

Year

Property tax

Land + Additions

Assessment*

2026

$5,425 (+5.5%)

2025

$5,141 (+5.5%)

2024

$4,873 (+5.5%)

2023

$4,620 (+5.4%)

$188,000 + $316,100

$504,100

2022

$4,382 (+5.4%)

2021

$4,156

2020

$4,156 (−0.9%)

$168,000 + $197,800

$365,800

2019

$4,193 (+0.9%)

2018

$4,155 (+1.1%)

$148,000 + $217,700

$365,700

2017

$4,112 (+2.2%)

2016

$4,025 (+3.1%)

$148,000 + $206,100

$354,100

2015

$3,905 (+2.3%)

2014

$3,818 (+3.3%)

2013

$3,696 (+0.8%)

2012

$3,665 (−1.8%)

2011

$3,733 (+2.1%)

2010

$3,657 (+7.3%)

2009

$3,408

Tax history for 2400 Flag Marsh Rd

Year

Property tax

Land + Additions

Assessment*

2026

$5,425 (+5.5%)

2025

$5,141 (+5.5%)

2024

$4,873 (+5.5%)

2023

$4,620 (+5.4%)

$188,000 + $316,100

$504,100

2022

$4,382 (+5.4%)

2021

$4,156

2020

$4,156 (−0.9%)

$168,000 + $197,800

$365,800

2019

$4,193 (+0.9%)

2018

$4,155 (+1.1%)

$148,000 + $217,700

$365,700

2017

$4,112 (+2.2%)

2016

$4,025 (+3.1%)

$148,000 + $206,100

$354,100

2015

$3,905 (+2.3%)

2014

$3,818 (+3.3%)

2013

$3,696 (+0.8%)

2012

$3,665 (−1.8%)

2011

$3,733 (+2.1%)

2010

$3,657 (+7.3%)

2009

$3,408

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

Public record

Beds

—

Baths

3.5

Stories

Lot width

—

Lot depth

—

Lot size

1.8 Acres

Year renovated

—

Sq. Ft.

3,052

Year built

1987

Style

Single Family Residential

County

Carroll County

APN

13 020361

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 8, 2026.

Property details

Parking

Parking Information
# of Attached Garage Spaces: 2
Garage Features: Additional Storage Area, Garage - Side Entry, Garage Door Opener, Inside Access, Oversized
# of Total Garage and Parking Spaces: 17
Has Garage
# of Garage Spaces: 2
Driveway - # of Spaces: 15
Paved Driveway
Attached Garage, Driveway

Interior

Bedroom Information
# of Bedrooms On 1st Upper Level: 4

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 2
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Full) On 1st Lower Level: 1
# of Bathrooms (Full) On All Upper Levels: 2
# of Bathrooms (Full) On All Lower Levels: 1
# of Bathrooms (Half): 1
# of Bathrooms (Full): 3

Interior Information
Appliances: Built-In Microwave, Dishwasher, Disposal, Exhaust Fan, Icemaker, Microwave, Oven/Range - Electric, Refrigerator, Stainless Steel Appliances, Stove, Water Heater
Flooring Type: Hardwood, Ceramic Tile, Carpet
Interior Features: 2nd Kitchen, Attic, Built-Ins, Carpet, Breakfast Area, CeilngFan(s), Central Vacuum, Chair Railings, Combination Kitchen/Living, Dining Area, Family Room Off Kitchen, Floor Plan - Open, Formal/Separate Dining Room, Kitchen - Island, Kitchen - Table Space, Pantry, Master Bath(s), Soaking Tub, Store/Office, Wainscotting, Walk-in Closet(s), Wood Floors
Living Area Sq.Ft. Source: Assessor

Basement Information
Basement: Yes
Daylight, Partial, Full, Fully Finished, Improved, Heated, Interior Access, Outside Entrance, Shelving, Walkout Level, Windows
Basement Finished Percent: 100.00

Exterior

Property Information
Total Below Grade Sq. Ft.: 1176
Improvement Assessed Value: $197,800
Ownership Interest: Fee Simple
Year Built Source: Assessor

Building Information
Other Structures: Above Grade, Below Grade
Outdoor Living Structures: Patio(s), Deck(s)
Structure Type: Detached

Exterior Information
Flood Lights, Sidewalks

Lot Information
Lot Features: Backs to Trees, Cleared, Level
Tidal Water: No

Land Information
Land Assessed Value: $168,000

Above Grade Information
Finished Sq.Ft.: 2,352
Finished Sq.Ft. Source: Assessor

Below Grade Information
Unfinished Sq.Ft.: 676
Unfinished Sq.Ft. Source: Assessor
Finished Sq.Ft.: 500
Finished Sq.Ft. Source: Assessor

Financial

Tax Information
County Tax: $4,133
Tax Assessed Value: $365,800
Tax Year: 2021
Tax Annual Amount: $4,193

Assessments Information
Year Assessed: 2021

Utilities

Utilities Information
Central Air
Cooling Type: Ceiling Fan(s), Central A/C
Cooling Fuel: Electric
Heat Pump(s)
Heating Fuel: Electric
Hot Water: Electric
Sewer Septic: Private Sewer
Water Source: Private

Location

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

Location Information
Outside City Limits
Directions: Woodbine Rd to Right onto Newport which turns into Flag Marsh. Home will be on the right! WELCOME HOME!!! PRIVACY ALL AROUND!!!

Public facts

Beds: —
Baths: 3.5
Sq. Ft.: 3,052
Stories: 2.0
Lot Size: 1.8 acres
Style: Single Family Residential
Year Built: 1987
Year Renovated: —
County: Carroll County
APN: 13 020361

Home facts updated by county records on Oct 8, 2026

Around this home

Schools

K - 12
Preschool & daycare

Parr's Ridge Elementary School

Public PreK-2 • Assigned • 3.6mi

Mount Airy Middle School

Public 6-8 • Assigned • 3.6mi

8/10

South Carroll High School

Public 9-12 • Assigned • 5.5mi

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 103° expected this year, 15 days in 30 years

4/10 Wind Factor

12% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 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 4.1 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

$689,000 – $834,000

Reach more buyers when you sell with Redfin. Save up to $7,250 in fees. 3 minutes to get started.

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

Nearby similar homes

$1,290,000

6 beds4.5 baths5,412 sq ft

14542 Monticello Dr, Cooksville, MD 21723

2.89 acre lot • 6 garage spots • Built 2007

(240) 913-9339

OPEN SAT, 12PM TO 1:30PM

$485,000

3 beds2 baths1,155 sq ft

16721 Frederick Rd, Mount Airy, MD 21771

Cape cod home • Hardwood floors • Upgraded countertops

(410) 312-0000

NEW CONSTRUCTION

$1,799,900

5 beds5.5 baths4,960 sq ft

869 Morgan Station Rd, Woodbine, MD 21797

1.15-acre lot • Three-car garage • Rear covered porch

(410) 220-5745

$395,000

3 beds2 baths1,164 sq ft

108 Paradise Ave, Mount Airy, MD 21771

Cozy fireplace • Unfinished basement • Detached garage

(410) 531-0321

$475,000

3 beds2.5 baths1,632 sq ft

2600 Gillis Falls Rd, Woodbine, MD 21797

1.13 acre lot • Expansive deck • Fenced backyard

(301) 831-5600

$500,000

3 beds1.5 baths1,654 sq ft

16707 Frederick Rd, Mount Airy, MD 21771

1.13 acre lot • 5 parking spots • Built 1958

(410) 465-1770

New listings for sale in 21771

$560,000

3 beds2 baths2,095 sq ft

13202 Jesse Smith Rd, Mount Airy, MD 21771

Off-street parking • Fully fenced yard • Large shed

(410) 740-1200

OPEN SAT, 11AM TO 1PM3D WALKTHROUGH

$815,000

4 beds2.5 baths2,976 sq ft

1808 Kings Forest Trl Trl, Mount Airy, MD 21771

Brick front exterior • Composite rear deck • Two story foyer

(410) 705-6295

3D WALKTHROUGH

$835,000

3 beds2 baths2,432 sq ft

16464 Old Frederick Rd, Mount Airy, MD 21771

5 picturesque acres • Oversized garage • No hoa

(703) 349-3900

REDFIN COMING SOON

$525,000

4 beds3 baths2,780 sq ft

3 Culwell Dr, Mount Airy, MD 21771

Large rear deck • 0.29 acre lot • Built 1959

$550,000

4 beds2.5 baths2,160 sq ft

112 Cloverdale Ct, Mount Airy, MD 21771

9,583 sq ft lot • 6 parking spots • Built 1980

(301) 694-8000

$600,000

3 beds2 baths2,035 sq ft

13024 Old National Pike, Mount Airy, MD 21771

Detached home • Newer metal garage • Second level

(301) 591-3920

3D WALKTHROUGH

$1,550,000

4 beds4.5 baths4,686 sq ft

5925B Woodville Rd, Mt Airy, MD 21771

Gourmet kitchen • Covered front porch • Morning room

(301) 945-9010

3D WALKTHROUGH

$1,100,000

4 beds3.5 baths3,720 sq ft

16816 Hardy Rd, Mount Airy, MD 21771

In-ground pool • Brick-front colonial • Two-story foyer

(240) 309-6000

COMING SOON

$465,000

2 beds1 bath1,384 sq ft

16980 Moss Meadow Way NW, Mount Airy, MD 21771

1.06-acre lot • Major renovation • Inviting deck

(443) 632-3000

Home values near 2400 Flag Marsh Rd

Data from public records.

Address	Redfin Estimate
2311 Flag Marsh Road, Mount Airy, MD - Beds \| 1.5 Baths \| 1040 Sq. Ft.	$376,970
2413 Flag Marsh Road, Mount Airy, MD 2 Beds \| 2 Baths \| 1824 Sq. Ft.	$451,395

Address	Redfin Estimate
2415 Flag Marsh Road, Mount Airy, MD - Beds \| 1 Baths \| 1240 Sq. Ft.	$374,988
2307 Flag Marsh Road, Mount Airy, MD - Beds \| 1 Baths \| 1640 Sq. Ft.	$416,826

Address	Redfin Estimate
2500 Flag Marsh Road, Mount Airy, MD - Beds \| 2.5 Baths \| 1736 Sq. Ft.	$510,501
2423 Flag Marsh Road, Mount Airy, MD - Beds \| 1 Baths \| 720 Sq. Ft.	$326,342

Property information provided by BRIGHT MLS when last listed in 2020. 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.

Redfin Brokerage Licenses

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

Columbia homes for sale
Rockville homes for sale
Frederick homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 21771, MD

Sale history for 2400 Flag Marsh Rd

Tax history for 2400 Flag Marsh 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 2400 Flag Marsh Rd

More real estate resources