This home's estimate is 22.3% lower than the average sale price ($654K) of 6 comparable homes.
Search- Overview
- Sale & tax history
- Property details
- Neighborhood
- Climate





























2500 Flag Marsh Rd, Mount Airy, MD 21771
About this home
Sparkling 4 BR/2.5BA Cape on 1.69 idyllic acres w/ LG Deck, perfect for entertaining, relaxing & drinking in the pastoral views. This sun filled home has been completely remodeled from top to bottom, inside & out. The sumptuous MBR Suite w/ corner views of the acreage w/ Garden BA features dual closets, vanity & jetted tub. Gourmet Kitchen w/ Deck access. .. so much more! See Improvements List at home!
Redfin Estimate
Earn from this home
List your home with Redfin and save $5,088
Get cash now or lower your monthly rate
List your home for rent
Market trends in 21771, MD
Last updated August 2026
Buyer's Market
Seller's Market
Seller's market
- OPEN SUN, 10:30AM TO 12:30PM
- OPEN SUN, 12PM TO 2PM
- OPEN SUN, 1PM TO 3PM
- OPEN SAT, 11AM TO 1PM
See all
Provided by Redfin
Sale history for 2500 Flag Marsh Rd
$179/sq ft
$179/sq ft
$187/sq ft





Sparkling 4 BR/2.5BA Cape on 1.69 idyllic acres w/ LG Deck, perfect for entertaining, relaxing & drinking in the pastoral views. This sun filled home has been completely remodeled from top to bottom, inside & out. The sumptuous MBR Suite w/ corner views of the acreage w/ Garden BA features dual closets, vanity & jetted tub. Gourmet Kitchen w/ Deck access. .. so much more! See Improvements List at home!
$179/sq ft
$187/sq ft
$193/sq ft
$196/sq ft
$199/sq ft
$201/sq ft
$195/sq ft
$207/sq ft
$210/sq ft





$161/sq ft
$164/sq ft
** Price available after signing in.
Tax history for 2500 Flag Marsh Rd
*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: 2
- # of 1/2 Baths: 1
- Heating & Cooling
- Air Conditioning Type: Separate System
- Heating Type: Baseboard Hot Water
Exterior
- Exterior Information
- Building Construction Quality: Average
- Exterior Wall: Aluminum/Vinyl
- Building Type: Single Family
- Property Information
- Subdivision Name: AIRY
- Living Sq. Ft: 1,736
- Building Sq. Ft: 1,736
- # of Stories: 1
- Stories Type: 1 1/2 Story With Basement
- Legal Description: LT - 1.699 ACS 2500 FLAG MARSH RD N/S WATERSVILLE RD
- Lot Information
- # of Buildings: 1
- Land Sq. Ft: 74,008
- Acres: 1.699
- State Use Description: RESIDENTIAL
- Utility Information
- Sewer Type: Private
Financial
- Assessor Information
- Assessment Year: 2026
- Tax District County: 13
Public facts
- Beds: —
- Baths: 2.5
- Sq. Ft.: 1,736
- Stories: 1.0
- Lot Size: 1.7 acres
- Style: Single Family Residential
- Year Built: 1952
- Year Renovated: —
- County: Carroll County
- APN: 13 000107
Around this home
Schools
Public PreK-2 • Assigned • 3.4mi
Public 6-8 • Assigned • 3.4mi
Public 9-12 • Assigned • 5.5mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
0.15% chance of being in a wildfire in next 30 years
7 days above 103° expected this year, 15 days in 30 years
12% chance of strong winds in next 30 years
2 unhealthy days expected this year, 3 days in 30 years
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.
Nearby similar homes
New listings for sale in 21771
Home values near 2500 Flag Marsh Rd
| Address | Redfin Estimate |
|---|---|
3 Beds | 2.5 Baths | 1480 Sq. Ft. | $459,023 |
- Beds | 1.5 Baths | 1624 Sq. Ft. | $398,787 |
| Address | Redfin Estimate |
|---|---|
- Beds | 1 Baths | 1240 Sq. Ft. | $393,328 |
2 Beds | 2 Baths | 1824 Sq. Ft. | $457,641 |
| Address | Redfin Estimate |
|---|---|
- Beds | 1.5 Baths | 2127 Sq. Ft. | $527,276 |
4 Beds | 3 Baths | 3318 Sq. Ft. | $623,115 |
More real estate resources
- Neighborhoods
- Zip Codes
- Cities
- Popular Searches
| Mount Airy Historic District homes for sale |
| 21771 homes for sale | |||
| 21797 homes for sale |
| Columbia homes for sale | |||
| Rockville homes for sale | |||
| Frederick homes for sale |
Find us
Subsidiaries
Affiliated Business
Copyright: © 2026 Redfin. All rights reserved.
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.













































United States
Canada