As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$1,271 (+6.4%)
$95,300 + $21,700
$117,000
2025
$1,194 (+6.9%)
$95,300 + $21,700
$117,000
2024
$1,117 (+7.4%)
2023
$1,040 (+0.3%)
2022
$1,037 (−1.9%)
$80,300 + $14,400
$94,700
2021
$1,057 (+0.7%)
2020
$1,050 (+2.3%)
2019
$1,026 (+2.8%)
$80,300 + $13,500
$93,800
2018
$998 (+2.9%)
2017
$969 (+2.8%)
$75,300 + $10,500
$85,800
2016
$943 (+4.2%)
$75,300 + $10,500
$85,800
2015
$905 (+4.0%)
$75,300 + $10,500
$85,800
2014
$870 (+4.1%)
2013
$836 (+8.0%)
2012
$774 (+5.4%)
2011
$735 (+5.4%)
2010
$697 (+10.3%)
2009
$632
Tax history for 4831 Porterstown Rd
Year
Property tax
Land + Additions
Assessment*
2026
$1,271 (+6.4%)
$95,300 + $21,700
$117,000
2025
$1,194 (+6.9%)
$95,300 + $21,700
$117,000
2024
$1,117 (+7.4%)
2023
$1,040 (+0.3%)
2022
$1,037 (−1.9%)
$80,300 + $14,400
$94,700
2021
$1,057 (+0.7%)
2020
$1,050 (+2.3%)
2019
$1,026 (+2.8%)
$80,300 + $13,500
$93,800
2018
$998 (+2.9%)
2017
$969 (+2.8%)
$75,300 + $10,500
$85,800
2016
$943 (+4.2%)
$75,300 + $10,500
$85,800
2015
$905 (+4.0%)
$75,300 + $10,500
$85,800
2014
$870 (+4.1%)
2013
$836 (+8.0%)
2012
$774 (+5.4%)
2011
$735 (+5.4%)
2010
$697 (+10.3%)
2009
$632
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
P
AO3
Preservation District
The purpose of this district is to prescribe a zoning category for those areas where, because of natural geographic factors and existing land uses, it is considered feasible and desirable to conserve open spaces, water supply sources, woodland areas, wildlife and other natural resources. This district includes the County’s designated Rural Legacy Area, federal lands, state parks, state wildlife management areas, county parks, Edgemont Watershed, and most of the mountaintops and the Potomac River.
Zone overlays
Red Hill (Forest) Area
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Greenhouse / nursery
Religious facility
Day care facility
Housing-Single unit
Housing-Multiple units
Manufacturing
Public service
Educational/school
Property details
Interior
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Electric
Exterior
Exterior Information
Building Style Type: Mobile Home
Building Construction Quality: Economical
Exterior Wall: Aluminum/Vinyl
Building Type: Mobile Home
Mobile Home Information
Is Mobile Home
Property Information
Living Sq. Ft: 980
Building Sq. Ft: 980
# of Stories: 1
Stories Type: 1
Legal Description: LOT 1 2.03 ACRES 4831 PORTERSTOWN RD
Lot Information
# of Buildings: 1
Land Sq. Ft: 88,427
Legal Lot Number: 1
Acres: 2.03
Zoning Code: P
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Private
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 19
Public facts
Beds: —
Baths: 1.0
Sq. Ft.: 980
Stories: 1.0
Lot Size: 2.03 acres
Style: Mobile/Manufactured Home
Year Built: 1991
Year Renovated: —
County: Washington County
APN: 19 009289
Home facts updated by county records on Sep 19, 2026
Around this home
Schools
Sharpsburg Elementary School
Public PreK-5 • Assigned • 3.1mi
5/10
Boonsboro Middle School
Public 6-8 • Assigned • 5.5mi
8/10
Boonsboro High School
Public 9-12 • Assigned • 5.4mi
9/10
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
4/10 Heat Factor
6 hot days expected this year, 13 days in 30 years
Wind Factor
We're working on getting current and accurate wind risk information for this home.
Air Factor
We're working on getting current and accurate air risk information for this home.
Provided by First Street
Historical weather
Keedysville, MD • 21756
Average low and high temperatures (°F)
36
21
43
26
61
39
69
47
73
54
84
64
89
69
82
61
80
57
68
45
57
38
43
28
Jan
Feb
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Apr
May
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Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.