16504 Walnut Hill Rd is a 2,122 square foot house on a 10,875 square foot lot with 3 bathrooms. - it last sold on May 04, 1995 for $166,750. Based on Redfin's Gaithersburg data, we estimate the home's value is $535,621.
Single-familyProperty Type
1959Year Built
10,875 sq ftLot Size
$252Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$535,621
$369K since sold in May 1995$14K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19.1% lower than the average sale price ($662K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-200
Residential - 200 Zone
The intent of the R-200 zone is to provide designated areas of the County for residential uses with a minimum lot size of 20,000 square feet. The predominant use is residential in a detached house.
Permitted uses
Include but are not limited to:
Agriculture-Other
Assembly/ meeting place
Housing-Single unit
Housing-Senior
Infrastructure-Other
Public service
Kennel
Transportation-Other
Park & open space
Jan 18, 2024 • Final
Mechanical
HVAC
Feb 29, 2016 • Final
Building residential
Remodel
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Basement Information
Basement Sq. Ft: 900
Basement Finish: Finished
Basement Type: Finished
Bathroom Information
# of Full Baths: 3
Heating & Cooling
Heating Type: Baseboard Hot Water
Fireplace Information
# of Fireplaces: 2
Fireplace Type: 1 Story
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Average
Exterior Wall: Brick
Building Type: Single Family
Property Information
Living Sq. Ft: 2,122
Building Sq. Ft: 2,122
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: WALNUT HILL
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,875
Legal Lot Number: 2
Legal Block Number: A
Acres: 0.2497
Zoning Code: R90
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 09
Public facts
Beds: —
Baths: 3.0
Sq. Ft.: 2,122
Stories: 1.0
Lot Size: 10,875 square feet
Style: Single Family Residential
Year Built: 1959
Year Renovated: —
County: Montgomery County
APN: 09 00794638
Home facts updated by county records on Oct 14, 2026
Around this home
Schools
Washington Grove Elementary School
Public PreK-5 • Assigned • 0.4mi
4/10
Gaithersburg Middle School
Public 6-8 • Assigned • 1.2mi
4/10
Gaithersburg High School
Public 9-12 • Assigned • 0.9mi
3/10
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
6/10 Heat Factor
7 days above 102° expected this year, 16 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
Gaithersburg, MD • 20877
Average low and high temperatures (°F)
38
23
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29
62
40
70
49
73
56
85
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88
71
81
63
79
60
67
47
58
41
45
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.3 hours in
June and 4.1 hours in December, placing it below the
U.S. average for solar exposure.
9.3 hrs
4.1 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$509,000 – $616,000
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