This spacious home offers flexibility and opportunity, featuring a private one-bedroom apartment complete with its own driveway and entrance—perfect for guests, in-laws, or rental income. This lower level provides everything you need all on one floor, offering true single-level living with no steps. The fenced-in backyard is expansive and ideal for entertaining, complete with a multi-level deck that’s ready for summer gatherings. Upstairs, you’ll find three additional bedrooms and a large, open floor plan that’s a blank canvas—ready for your personal touch and design vision. Conveniently located just minutes from I-70, this home provides easy access to major routes, shopping, dining, and all of life’s everyday conveniences. Whether you’re looking for space for extended family, a smart investment opportunity, or simply a home with versatility and potential, this one is not to be missed!
Sold for $492,500 on 12/15/25
$492,500
3000 Flag Marsh Rd, Mount Airy, MD 21771
4beds
2,918sqft
Single Family Residence
Built in 1974
0.61 Acres Lot
$492,600 Zestimate®
$169/sqft
$2,918 Estimated rent
Home value
$492,600
$468,000 - $517,000
$2,918/mo
Zestimate® history
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What's special
Zillow last checked: 8 hours ago
Listing updated: December 15, 2025 at 08:36am
Listed by:
Courtney Pleiss 443-980-2551,
EXP Realty, LLC
Bought with:
Robin Nesbitt, RSR00512
Berkshire Hathaway HomeServices Homesale Realty
Source: Bright MLS,MLS#: MDCR2030784
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
- Full bathrooms: 2
- Main level bathrooms: 1
- Main level bedrooms: 3
Primary bedroom
- Level: Main
- Area: 297 Square Feet
- Dimensions: 27 x 11
Bedroom 2
- Level: Main
- Area: 132 Square Feet
- Dimensions: 11 x 12
Bedroom 3
- Level: Main
- Area: 144 Square Feet
- Dimensions: 12 x 12
Bedroom 4
- Features: Ceiling Fan(s), Walk-In Closet(s)
- Level: Lower
- Area: 156 Square Feet
- Dimensions: 13 x 12
Bathroom 1
- Features: Bathroom - Tub Shower
- Level: Main
- Area: 56 Square Feet
- Dimensions: 8 x 7
Bathroom 1
- Features: Bathroom - Walk-In Shower, Double Sink
- Level: Lower
- Area: 63 Square Feet
- Dimensions: 7 x 9
Dining room
- Level: Main
- Area: 160 Square Feet
- Dimensions: 10 x 16
Family room
- Level: Main
- Area: 231 Square Feet
- Dimensions: 21 x 11
Foyer
- Level: Lower
- Area: 96 Square Feet
- Dimensions: 12 x 8
Kitchen
- Level: Main
- Area: 154 Square Feet
- Dimensions: 11 x 14
Kitchen
- Features: Lighting - Ceiling
- Level: Lower
- Area: 132 Square Feet
- Dimensions: 12 x 11
Laundry
- Level: Lower
- Area: 80 Square Feet
- Dimensions: 8 x 10
Laundry
- Level: Lower
- Area: 84 Square Feet
- Dimensions: 7 x 12
Living room
- Level: Main
- Area: 240 Square Feet
- Dimensions: 15 x 16
Living room
- Features: Fireplace - Gas, Recessed Lighting
- Level: Lower
- Area: 228 Square Feet
- Dimensions: 19 x 12
Other
- Level: Lower
- Area: 165 Square Feet
- Dimensions: 11 x 15
Heating
- Heat Pump, Electric
Cooling
- Central Air, Ceiling Fan(s), Heat Pump, Multi Units, Programmable Thermostat, Electric
Appliances
- Included: Dryer, Microwave, Oven/Range - Electric, Range Hood, Refrigerator, Washer, Dishwasher, Tankless Water Heater, Water Heater
- Laundry: In Basement, Dryer In Unit, Has Laundry, Lower Level, Washer In Unit, Laundry Room
Features
- 2nd Kitchen, Bathroom - Walk-In Shower, Bathroom - Tub Shower, Ceiling Fan(s), Combination Dining/Living, Combination Kitchen/Living, Family Room Off Kitchen, Open Floorplan, Recessed Lighting, Walk-In Closet(s)
- Doors: Sliding Glass, French Doors
- Basement: Other,Full,Finished,Heated,Improved,Interior Entry,Exterior Entry,Side Entrance,Space For Rooms,Walk-Out Access,Windows
- Number of fireplaces: 1
- Fireplace features: Gas/Propane
Interior area
- Total structure area: 2,918
- Total interior livable area: 2,918 sqft
- Finished area above ground: 1,718
- Finished area below ground: 1,200
Property
Parking
- Total spaces: 5
- Parking features: Asphalt, Detached Carport, Driveway
- Carport spaces: 1
- Uncovered spaces: 4
Accessibility
- Accessibility features: None
Features
- Levels: Split Foyer,Two
- Stories: 2
- Patio & porch: Porch
- Exterior features: Play Equipment
- Pool features: None
- Has view: Yes
- View description: Scenic Vista
Lot
- Size: 0.61 Acres
- Features: Backs to Trees, Front Yard, Level, Open Lot, Private, Rear Yard, Secluded, Rural
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 0713007233
- Zoning: AGRICULTURAL
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Frame
- Foundation: Block
Condition
- New construction: No
- Year built: 1974
Utilities & green energy
- Sewer: Private Septic Tank
- Water: Private
Community & neighborhood
Location
- Region: Mount Airy
- Subdivision: None Available
Other
Other facts
- Listing agreement: Exclusive Agency
- Ownership: Fee Simple
- Road surface type: Black Top
Price history
| Date | Event | Price |
|---|---|---|
| 12/15/2025 | Sold | $492,500+1.5%$169/sqft |
Source:  Bright MLS #MDCR2030784 | ||
| 11/20/2025 | Contingent | $485,000$166/sqft |
Source: Bright MLS #MDCR2030784 | ||
| 11/11/2025 | Price change | $485,000-3%$166/sqft |
Source: Bright MLS #MDCR2030784 | ||
| 10/30/2025 | Listed for sale | $500,000+33.7%$171/sqft |
Source: Bright MLS #MDCR2030784 | ||
| 8/23/2017 | Sold | $373,900+1.1%$128/sqft |
Source: Agent Provided | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $4,093 -12.2% | $442,967 +7.4% |
| 2024 | $4,659 +6% | $412,300 +6% |
| 2023 | $4,395 +6.4% | $388,933 -5.7% |
Find assessor info on the county website
Neighborhood: 21771
Nearby schools
GreatSchools rating
- NAParr's Ridge Elementary SchoolGrades: PK-2Distance: 2.3 mi
- 6/10Mount Airy Middle SchoolGrades: 6-8Distance: 2.3 mi
- 8/10South Carroll High SchoolGrades: 9-12Distance: 5.6 mi
Schools provided by the listing agent
- Elementary: Parrs Ridge
- Middle: Mt Airy
- High: South Carroll
- District: Carroll County Public Schools
Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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$492,600
2% more+ $9,852
With Zillow Showcase(estimated)
$502,452