This home's estimate is 1.3% higher than the average sale price ($668K) of 6 comparable homes.
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2521 Penn Hill Rd, Mount Airy, MD 21771
About this home
Wonderful family home on 3 beautiful acres at end of street. Spacious 4 level split home 4 BD w/ 2 masters, freshly painted w/ new carpet. Other updates include roof, kitchen, heat pump, well pump, windows, screens & pellet stove, Lower levels used for gaming, exercise & extra large storage room w/ huge closets. Beautiful gardens and large stone paver patio for outdoor entertaining. Come visit!
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Market trends in 21771, MD
Last updated October 2026
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Sale history for 2521 Penn Hill Rd
$196/sq ft
$196/sq ft
$196/sq ft





$196/sq ft
$196/sq ft
$76/sq ft
** Price available after signing in.
Tax history for 2521 Penn Hill Rd
*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
R-40,000
Residence District
The purpose of the R-40,000 Residence District is primarily to provide a location for single-family residential development, the individual lots of which generally contain a minimum of 40,000 sq ft. This district is generally not intended to be served with public water or sewerage facilities although in special situations, it may be. The district would generally coincide with areas designated for low-density residential development on the Master Plan.Include but are not limited to:
- Agriculture
- Religious facility
- Housing-Single unit
- Housing-Senior
- Public service
- Educational/school
Property details
Parking
- Parking Information
- # of Attached Garage Spaces: 2
- Garage Features: Garage - Front Entry, Garage Door Opener
- # of Total Garage and Parking Spaces: 2
- Has Garage
- # of Garage Spaces: 2
- Garage, Attached, Asphalt Driveway, Asphalt Driveway
- Driveway, Attached Garage
Interior
- Bedroom Information
- # of Bedrooms On 1st Upper Level: 3
- # of Bedrooms On Main Level: 1
- Bathroom Information
- # of Bathrooms (Full) On 1st Upper Level: 2
- # of Bathrooms (Full) On Main Level: 1
- # of Bathrooms (Half) On 1st Lower Level: 1
- # of Bathrooms (Half): 1
- # of Bathrooms (Full): 3
- Interior Information
- Appliances: Dishwasher, Dryer - Front Loading, Energy Efficient Appliances, Exhaust Fan, Microwave, Oven/Range - Electric, Refrigerator, Washer - Front Loading
- Door Features: Storm, French
- Entry Location: Living Room
- Interior Features: Kitchen - Table Space, Dining Area, Kitchen - Eat-In, Master Bath(s), Upgraded Countertops, Window Treatments, Entry Level Bedroom, Wood Floors, Built-Ins, Chair Railings, Floor Plan - Traditional
- Wall & Ceiling Types: Dry Wall
- Room Information
- Living Room, Dining Room, Master Bedroom, Bedroom 2, Kitchen, Family Room, Bedroom 1, Exercise Room, Storage Room
- Fireplace Information
- Has Fireplace
- # of Fireplaces: 1
- Flue for Stove, Mantel(s)
- Basement Information
- Basement: Yes
- Connecting Stairway, Outside Entrance, Rear Entrance, Daylight, Partial, Improved, Windows, Sump Pump
Exterior
- Property Information
- Accessibility Features: Level Entry - Main
- Improvement Assessed Value: $183,900
- Ownership Interest: Fee Simple
- Property Condition: Very Good
- Year Built Source: Estimated
- Building Information
- Construction Materials: Brick, Vinyl Siding
- Outdoor Living Structures: Patio(s)
- Roof: Asphalt
- Structure Type: Detached
- Window Features: Bay/Bow, Vinyl Clad, Double Pane, Low-E, Screens
- Other Structures: Shed, Storage Barn/Shed
- Exterior Information
- Extensive Hardscape
- Property Green Features
- Water Conservation: Low-Flow Fixtures
- Lot Information
- Lot Features: No Thru Street, Private
- Tidal Water: No
- Land Information
- Land Assessed Value: $160,000
Financial
- Tax Information
- County Tax: $3,886.07
- Tax Assessed Value: $343,900
- Tax Year: 2014
- Tax Annual Amount: $3,946.07
- Assessments Information
- Special Assessment Payment: Annually
- Year Assessed: 2014
Utilities
- Utilities Information
- Central Air
- Cooling Type: Central A/C, Ceiling Fan(s), Heat Pump(s)
- Cooling Fuel: Electric
- Heat Pump(s), Other
- Heating Fuel: Electric
- Hot Water: Electric
- Sewer Septic: Septic Exists
- Cable TV Available
- Water Source: Well
Location
- School Information
- School District Name: CARROLL COUNTY PUBLIC SCHOOLS
- Location Information
- Directions: 27 North, right on Gillis Road, left on Valley View, left on Penn Hill, home at the of street on left.
Public facts
- Beds: —
- Baths: 3.5
- Sq. Ft.: 2,348
- Stories: 2.0
- Lot Size: 3 acres
- Style: Single Family Residential
- Year Built: 1985
- Year Renovated: —
- County: Carroll County
- APN: 09 017941
Around this home
Schools
- K - 12
- Preschool & daycare
Public PreK-5 • Assigned • 2.4mi
Public 6-8 • Assigned • 4.7mi
Public 9-12 • Assigned • 2.6mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
7 days above 101° expected this year, 15 days in 30 years
10% 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 2521 Penn Hill Rd
| Address | Redfin Estimate |
|---|---|
- Beds | 2 Baths | 2088 Sq. Ft. | $557,973 |
- Beds | 2 Baths | 2476 Sq. Ft. | $588,793 |
- Beds | 3.5 Baths | 2980 Sq. Ft. | $641,383 |
- Beds | 2 Baths | 2234 Sq. Ft. | $588,910 |
- Beds | 2.5 Baths | 2364 Sq. Ft. | $543,693 |
- Beds | 2 Baths | 1728 Sq. Ft. | $527,165 |
- Beds | 2 Baths | 1912 Sq. Ft. | $548,831 |
| Address | Redfin Estimate |
|---|---|
- Beds | 2.5 Baths | 1646 Sq. Ft. | $528,017 |
3 Beds | 2.5 Baths | 3030 Sq. Ft. | $676,409 |
- Beds | 1 Baths | 1664 Sq. Ft. | $356,370 |
5 Beds | 1.5 Baths | 1968 Sq. Ft. | $484,076 |
- Beds | 4.5 Baths | 3880 Sq. Ft. | $732,387 |
- Beds | 2 Baths | 1958 Sq. Ft. | $467,274 |
- Beds | 2 Baths | 2170 Sq. Ft. | $562,036 |
| Address | Redfin Estimate |
|---|---|
- Beds | 2.5 Baths | 2128 Sq. Ft. | $559,426 |
- Beds | 3 Baths | 1700 Sq. Ft. | $520,461 |
- Beds | 2 Baths | 1648 Sq. Ft. | $501,591 |
3 Beds | 2.5 Baths | 2318 Sq. Ft. | $535,651 |
- Beds | 1.5 Baths | 1288 Sq. Ft. | $426,546 |
- Beds | 1.5 Baths | 1864 Sq. Ft. | $519,462 |
- Beds | 2 Baths | 1288 Sq. Ft. | $474,116 |
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