9902 Rocky Ridge Rd Unit D is a 910 square foot house on a 1.93 acre lot with 1 bathroom. Based on Redfin's Rocky Ridge data, we estimate the home's value is $306,536.
Single-familyProperty Type
1973Year Built
1.93 acresLot Size
$337Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$306,536
$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.5% lower than the average sale price ($346K) of 6 comparable homes.
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Earn from this home
Sell
$286,856
Est. take-home
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Market trends in 21778, MD
Last updated July 2026
Sale-to-List Price
98.5%
1.5% MoM
Median sale price
$398K
$43K MoM
Avg. days on market
98d
65 days MoM
Recently sold homes
2
1 MoM
Provided by Redfin
Sale history for 9902 Rocky Ridge Rd Unit D
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,167 (+5.5%)
$76,800 + $214,300
$291,100
2024
$3,004 (+9.8%)
2023
$2,736 (+3.3%)
2022
$2,649 (+2.5%)
$76,800 + $146,000
$222,800
2021
$2,584 (+4.4%)
2020
$2,475 (+1.5%)
2019
$2,438 (+0.7%)
$76,800 + $123,600
$200,400
2018
$2,422 (+2.4%)
2017
$2,364 (−2.0%)
$76,800 + $114,000
$190,800
2015
$2,412 (−0.3%)
$80,600 + $112,600
$193,200
2014
$2,420
2013
$2,420 (−5.0%)
2012
$2,546 (+4.9%)
2011
$2,427
2010
$2,427 (+44.9%)
2009
$1,675
Tax history for 9902 Rocky Ridge Rd Unit D
Year
Property tax
Land + Additions
Assessment*
2025
$3,167 (+5.5%)
$76,800 + $214,300
$291,100
2024
$3,004 (+9.8%)
2023
$2,736 (+3.3%)
2022
$2,649 (+2.5%)
$76,800 + $146,000
$222,800
2021
$2,584 (+4.4%)
2020
$2,475 (+1.5%)
2019
$2,438 (+0.7%)
$76,800 + $123,600
$200,400
2018
$2,422 (+2.4%)
2017
$2,364 (−2.0%)
$76,800 + $114,000
$190,800
2015
$2,412 (−0.3%)
$80,600 + $112,600
$193,200
2014
$2,420
2013
$2,420 (−5.0%)
2012
$2,546 (+4.9%)
2011
$2,427
2010
$2,427 (+44.9%)
2009
$1,675
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R1
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
Interior
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Electric
Fireplace Information
# of Fireplaces: 1
Fireplace Type: 1 Story Brick
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Fair
Exterior Wall: Frame
Building Type: Single Family
Property Information
Subdivision Name: ROCKY RIDGE
Living Sq. Ft: 910
Building Sq. Ft: 910
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: LT 1.93 AC OFF N/S RT. 77 ROCKY RIDGE
Parking & Garage Information
Parking Type: Frame Garage
Garage/Parking Sq. Ft: 520
Garage / Carport Type: Frame
Lot Information
# of Buildings: 1
Land Sq. Ft: 84,071
Acres: 1.93
Zoning Code: R1
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Private
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 04
Public facts
Beds: —
Baths: 1.0
Sq. Ft.: 910
Stories: 1.0
Lot Size: 1.93 acres
Style: Single Family Residential
Year Built: 1973
Year Renovated: —
County: Frederick County
APN: 04 152662
Home facts updated by county records on Jul 17, 2026
Around this home
Schools
Thurmont Primary School
Public PreK-2 • Assigned • 3.7mi
Thurmont Middle School
Public 6-8 • Assigned • 4.6mi
5/10
Catoctin High School
Public 9-12 • Assigned • 5.2mi
6/10
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, 16 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
Rocky Ridge, MD • 21778
Average low and high temperatures (°F)
36
23
41
28
60
39
67
48
72
55
84
65
89
71
82
64
78
59
68
47
56
40
42
29
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
$292,000 – $353,000
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