1817 Addison St is a 1,440 square foot townhouse on a 640 square foot lot. - it last sold on June 23, 2017 for $535,000. Based on Redfin's Philadelphia data, we estimate the home's value is $778,649.
TownhomeProperty Type
1800Year Built
640 sq ftLot Size
$541Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$778,649
$244K since sold in June 2017$34K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.4% higher than the average sale price ($686K) of 4 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
RSA-5
/NIS
/CTR - RESIDENTIAL PARKING CONTROL
/CTR - CENTER CITY COMMERCIAL DISTRICT CONTROL
/CTR - CENTER CITY RESIDENTIAL DISTRICT CONTROL
Residential Single-Family Attached-5
The RSA, Residential Single-Family Attached districts are primarily intended to accommodate attached and semi-detached houses on individual lots, but may be applied in areas characterized by a mix of housing types, including detached houses. The districts are also intended to provide a density transition between RSD districts and RM districts. The Zoning Code includes five RSA districts that are differentiated primarily on the basis of minimum lot area requirements.
Zone overlays
Narcotics Injection Sites Overlay District
Center City Commercial District Control Area
Center City Overlay District - Center City Residential District Control Area
Permitted uses
Include but are not limited to:
Assembly / meeting place
Garden center
Housing-Single unit
Fire house
Police station
Recreation-Other
Apr 11, 2019 • Final
Pp_plumbng
Install a new water service line from the street to the sidewalk. Install a new curb stop at the sidewalk according to plumbing code.
Plumbing
Nov 16, 2018 • Final
Ep_electrl
Rewire electrical devices including switches, receptacles, and lights. Install hard-wired smoke detectors and a new electrical service complete with a meter, panel, and grounding.
Electrical
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
Exterior
Exterior Information
Physical Condition: Good To Excellent
Exterior Wall: Brick
View Information
View: Typical
Property Information
Living Sq. Ft: 1,440
Building Sq. Ft: 1,440
# of Stories: 3
Legal Description: 136'W OF 18TH ST; LOT 16'X40'
Lot Information
# of Buildings: 1
Land Sq. Ft: 640
Legal Lot Number: 116
Legal Block Number: 3S21
Municipality Name: PHILADELPHIA
Acres: 0.0147
Depth Footage: 40
Front Footage: 16
Zoning Code: RSA5
County Use Description: RES-ROW (3 OR MORE), 3 STORIES
Location Information
Parcel Location Influence: Interior
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: —
Sq. Ft.: 1,440
Stories: 3.0
Lot Size: 640 square feet
Style: Townhouse
Year Built: 1800
Year Renovated: —
County: Philadelphia County
APN: 081119400
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Greenfield Albert M School
Public K-8 • Assigned • 0.5mi
9/10
Franklin Benjamin High School
Public 9-12 • Assigned • 1.3mi
2/10
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 104° expected this year, 15 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, 5 days in 30 years
Provided by First Street
Historical weather
Philadelphia, PA • 19146
Average low and high temperatures (°F)
37
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59
40
67
48
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64
69
53
57
43
43
30
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Sun exposure
In this area, properties receive around 9 hours in
June and 4.3 hours in December, placing it below the
U.S. average for solar exposure.
9 hrs
4.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$740,000 – $896,000
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