1237 Mercy St is a 784 square foot townhouse on a 651 square foot lot with 3 bedrooms and 1 bathroom. Based on Redfin's Philadelphia data, we estimate the home's value is $260,896.
TownhomeProperty Type
1920Year Built
651 sq ftLot Size
$333Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$260,896
$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.2% lower than the average sale price ($304K) 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*
2026
$2,450 (−36.4%)
$55,000 + $220,000
$275,000
2025
$3,849 (+12.8%)
$55,000 + $220,000
$275,000
2024
$3,414
$48,780 + $195,120
$243,900
2023
$3,414 (+5.9%)
$48,780 + $195,120
$243,900
2022
$3,224
$52,739 + $177,561
$230,300
2021
$3,224
$52,739 + $177,561
$230,300
2020
$3,224 (+8.4%)
$52,739 + $177,561
$230,300
2019
$2,975 (+31.6%)
$48,663 + $163,837
$212,500
2018
$2,261
$36,984 + $124,516
$161,500
2017
$2,260 (+4.4%)
$36,984 + $124,516
$161,500
2015
$2,164
$12,369 + $149,131
$161,500
2014
$2,164 (+129.9%)
$12,369 + $149,131
$161,500
2013
$941 (+3.6%)
$872 + $8,760
$9,632
2012
$908 (+3.9%)
$872 + $8,760
$9,632
2011
$875 (+9.9%)
$872 + $8,760
$9,632
2010
$796
$872 + $8,760
$9,632
Tax history for 1237 Mercy St
Year
Property tax
Land + Additions
Assessment*
2026
$2,450 (−36.4%)
$55,000 + $220,000
$275,000
2025
$3,849 (+12.8%)
$55,000 + $220,000
$275,000
2024
$3,414
$48,780 + $195,120
$243,900
2023
$3,414 (+5.9%)
$48,780 + $195,120
$243,900
2022
$3,224
$52,739 + $177,561
$230,300
2021
$3,224
$52,739 + $177,561
$230,300
2020
$3,224 (+8.4%)
$52,739 + $177,561
$230,300
2019
$2,975 (+31.6%)
$48,663 + $163,837
$212,500
2018
$2,261
$36,984 + $124,516
$161,500
2017
$2,260 (+4.4%)
$36,984 + $124,516
$161,500
2015
$2,164
$12,369 + $149,131
$161,500
2014
$2,164 (+129.9%)
$12,369 + $149,131
$161,500
2013
$941 (+3.6%)
$872 + $8,760
$9,632
2012
$908 (+3.9%)
$872 + $8,760
$9,632
2011
$875 (+9.9%)
$872 + $8,760
$9,632
2010
$796
$872 + $8,760
$9,632
*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
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
Permitted uses
Include but are not limited to:
Assembly / meeting place
Garden center
Housing-Single unit
Fire house
Police station
Recreation-Other
Feb 28, 2019 • Final
Pp_plumbng
Install a house trap and a fresh air inlet. All work will comply with the local plumbing code.
Plumbing
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 Type: Full
Heating & Cooling
Heating Type: Hot Air
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Exterior Wall: Brick
View Information
View: Typical
Property Information
Living Sq. Ft: 784
Building Sq. Ft: 784
# of Stories: 2
Legal Description: 297' W OF 12TH ST; 14'X46'6"
Lot Information
# of Buildings: 1
Land Sq. Ft: 651
Legal Lot Number: 252
Legal Block Number: 16S9
Municipality Name: PHILADELPHIA
Acres: 0.0149
Depth Footage: 47
Front Footage: 14
Zoning Code: RSA5
County Use Description: RES-ROW (3 OR MORE), 2 STORIES
Location Information
Parcel Location Influence: Interior
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 784
Stories: 2.0
Lot Size: 651 square feet
Style: Townhouse
Year Built: 1920
Year Renovated: —
County: Philadelphia County
APN: 394268800
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Southwark School
Public PreK-8 • Assigned • 0.4mi
6/10
South Philadelphia High School
Public PreK-12 • Assigned • 0.2mi
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
7/10 Heat Factor
7 days above 103° 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 • 19148
Average low and high temperatures (°F)
37
24
41
28
59
39
68
48
74
57
84
66
89
72
83
64
79
63
69
51
57
43
43
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$248,000 – $301,000
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