544 Potomac Rd is a 99,999 square foot house on a 229.57 acre lot with 99 bedrooms and 297 bathrooms. Based on Redfin's Joppa data, we estimate the home's value is $760,224.
Single-familyProperty Type
1620Year Built
229.57 acresLot Size
$8Est. Price/Sq.Ft.
99 spacesParking
Source:Public Records
Redfin Estimate
$760,224
$10K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 36.4% higher than the average sale price ($557K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$5,184 (+5.3%)
$115,000 + $529,200
$644,200
2024
$4,924 (−13.6%)
2023
$5,696 (+1.2%)
2022
$5,626 (−3.2%)
$115,000 + $407,600
$522,600
2021
$5,811
2020
$5,809 (+0.9%)
2019
$5,755 (+1.9%)
$115,000 + $388,400
$503,400
2018
$5,650 (+1,699.4%)
2017
$314
$27,500
2016
$314 (−0.9%)
$27,500
2015
$317 (+0.8%)
$27,500
2014
$314
$27,500
2013
$314 (−6.1%)
2012
$335 (+2.0%)
2011
$328 (+0.2%)
2010
$328 (−0.3%)
2009
$329
Tax history for 544 Potomac Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,184 (+5.3%)
$115,000 + $529,200
$644,200
2024
$4,924 (−13.6%)
2023
$5,696 (+1.2%)
2022
$5,626 (−3.2%)
$115,000 + $407,600
$522,600
2021
$5,811
2020
$5,809 (+0.9%)
2019
$5,755 (+1.9%)
$115,000 + $388,400
$503,400
2018
$5,650 (+1,699.4%)
2017
$314
$27,500
2016
$314 (−0.9%)
$27,500
2015
$317 (+0.8%)
$27,500
2014
$314
$27,500
2013
$314 (−6.1%)
2012
$335 (+2.0%)
2011
$328 (+0.2%)
2010
$328 (−0.3%)
2009
$329
*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
R1
Urban Residential District
These districts are intended to accommodate urban residential needs by providing for a wide range of densities and building types where public water and sewer are available. Conventional with Open Space COS and Planned Residential Development PRD are permitted where open space and environmental features are provided or preserved.
Permitted uses
Include but are not limited to:
Agriculture
Religious facility
Housing-Single unit
Infrastructure
Fire house
Library
Park & open space
Jun 9, 2022 • Final
Building (residential) - accessory
Construct an irregular shaped deck.
ADU
Apr 20, 2021 • Final
Building (residential) - alteration
Addition
Bathroom
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: 1,000
Basement Finish: Finished
Basement Type: Finished
Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air
Exterior
Exterior Information
Building Construction Quality: Average
Exterior Wall: Aluminum/Vinyl
Building Type: Single Family
Property Information
Subdivision Name: ROGERS FORD 1
Living Sq. Ft: 4,712
Building Sq. Ft: 5,152
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: LOT 47 37418 SF 544 POTOMAC ROAD ROGERS FORD PT 141/17
Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 440
Garage / Carport Type: Built In
Lot Information
# of Buildings: 1
Land Sq. Ft: 37,418
Legal Lot Number: 47
Acres: 0.859
Zoning Code: R1COS
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 01
Public facts
Beds: 99
Baths: 247.5
Sq. Ft.: 99,999
Stories: 2.0
Parking Spaces: 99
Basement: Yes
Accessible: Yes
Lot Size: 229.57 acres
Style: Single Family Residential
Year Built: 1620
Year Renovated: —
County: Harford County
APN: 01 381598
HOA Dues: $9,999/month
Garage: Yes
Features: Views, Green, Waterfront, Pool
Home facts updated by owner on Sep 30, 2022
Around this home
Schools
Magnolia Elementary School
Public PreK-5 • Assigned • 0.5mi
4/10
Magnolia Middle School
Public 6-8 • Assigned • 0.7mi
3/10
Joppatowne High School
Public 9-12 • Assigned • 1.1mi
4/10
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
7/10 Heat Factor
7 days above 104° expected this year, 14 days in 30 years
6/10 Wind Factor
27% chance of strong winds in next 30 years
4/10 Air Factor
4 unhealthy days expected this year, 6 days in 30 years
Provided by First Street
Historical weather
Joppa, MD • 21085
Average low and high temperatures (°F)
37
22
42
27
58
38
67
47
72
54
84
65
88
72
80
63
78
61
68
47
58
39
43
28
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 4.5 hours in December, which is comparable to the
U.S. average for solar exposure.
9.2 hrs
4.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$723,000 – $875,000
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