The Block Report
← Commercial benchmarks

Philadelphia commercial ledger · OPA category 10

Office property

Office-classified buildings, separated from storefront, hotel, industrial, and apartment assessment categories. This report shows the citywide per-square-foot benchmark, its distribution, where qualifying parcels concentrate, and the highest assessed-value property records in the category.

See ranked properties ↓

Read the benchmark

What “typical” looks like

Outlier rankings are easier to read when the center is visible. The middle half contains the 25th through 75th percentile of qualifying records.

Assessed value per recorded interior sqft

Each band contains one quarter, one half, and one quarter of the category—not equally sized dollar ranges.

$112Median $142$167

Geography of the category

Where these properties concentrate

Top qualifying ZIPs by parcel count, with each ZIP’s own median assessment per square foot. Open a ZIP for its complete market report.

1ZIP 19103Rittenhouse · Logan Square$198median / sqft110 parcels · 14.6% of category · $2.9M median assessment2ZIP 19107Washington Square West · Chinatown$157median / sqft50 parcels · 6.6% of category · $3.7M median assessment3ZIP 19104University City · West Powelton$215median / sqft48 parcels · 6.4% of category · $3.6M median assessment4ZIP 19114Torresdale$151median / sqft48 parcels · 6.4% of category · $198K median assessment5ZIP 19115Bustleton$151median / sqft45 parcels · 6% of category · $606K median assessment6ZIP 19102Center City West$149median / sqft31 parcels · 4.1% of category · $8.1M median assessment7ZIP 19123Northern Liberties · Callowhill$142median / sqft28 parcels · 3.7% of category · $2.6M median assessment8ZIP 19106Old City · Society Hill$155median / sqft25 parcels · 3.3% of category · $10M median assessment9ZIP 19116Somerton$132median / sqft23 parcels · 3.1% of category · $1.1M median assessment10ZIP 19130Fairmount · Spring Garden$152median / sqft20 parcels · 2.7% of category · $1.7M median assessment

Neighborhood names are approximate orientation labels. ZIP and neighborhood boundaries do not match one-to-one; the ZIP remains the comparison geography. ZIP boundaries ↗ · Neighborhood boundaries ↗

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Highest assessed values

Ranked by OPA assessed value among category records with more than 200 recorded interior square feet. Per-square-foot values remain context, not the ranking, because bad area denominators can create extreme ratios.

No. 1 in the Offices category

1735 Market St

$370M

ZIP 19103 (Rittenhouse · Logan Square) · 1,449,928 sqft recorded · $255/sqft assessed · open deeds, permits, violations, taxes, ownership, and sources →
  1. 21701 John F Kennedy BlvdZIP 19103 (Rittenhouse · Logan Square) · 1,200,021 sqft recorded · built 2007 · $301/sqft assessed$362Massessed value
  2. 31800 Arch StZIP 19103 (Rittenhouse · Logan Square) · 1,103,300 sqft recorded · built 2016 · $297/sqft assessed$328Massessed value
  3. 41650 Market StZIP 19103 (Rittenhouse · Logan Square) · 1,464,000 sqft recorded · built 1986 · $213/sqft assessed$311Massessed value
  4. 51901-17 Market StZIP 19103 (Rittenhouse · Logan Square) · 760,635 sqft recorded · built 1988 · $361/sqft assessed$274Massessed value
  5. 62929 Arch StZIP 19104 (University City · West Powelton) · 782,208 sqft recorded · built 2005 · $335/sqft assessed$262Massessed value
  6. 71717 Arch StZIP 19103 (Rittenhouse · Logan Square) · 1,200,000 sqft recorded · built 1989 · $194/sqft assessed$233Massessed value
  7. 82005 Market StZIP 19103 (Rittenhouse · Logan Square) · 1,152,520 sqft recorded · built 1986 · $174/sqft assessed$201Massessed value
  8. 91818-28 Market StZIP 19103 (Rittenhouse · Logan Square) · 1,143,040 sqft recorded · built 1976 · $175/sqft assessed$200Massessed value
  9. 10170 S Independence Mall WZIP 19106 (Old City · Society Hill) · 1,102,992 sqft recorded · built 1911 · $168/sqft assessed$186Massessed value
  10. 112001 Market StZIP 19103 (Rittenhouse · Logan Square) · 1,152,480 sqft recorded · built 1991 · $161/sqft assessed$185Massessed value
  11. 12100-20 N 18th StZIP 19103 (Rittenhouse · Logan Square) · 803,012 sqft recorded · built 1985 · $207/sqft assessed$167Massessed value
  12. 132400 Market StZIP 19103 (Rittenhouse · Logan Square) · 600,523 sqft recorded · built 1929 · $251/sqft assessed$151Massessed value
Show 37 more ranked properties
  1. 141700-40 Market StZIP 19103 (Rittenhouse · Logan Square) · 1,183,616 sqft recorded · built 1969 · $126/sqft assessed$149Massessed value
  2. 151600-22 Market StZIP 19103 (Rittenhouse · Logan Square) · 859,989 sqft recorded · built 1982 · $159/sqft assessed$137Massessed value
  3. 161101-11 Market StZIP 19107 (Washington Square West · Chinatown) · 747,200 sqft recorded · built 1984 · $167/sqft assessed$125Massessed value
  4. 17130 N 18th StZIP 19103 (Rittenhouse · Logan Square) · 735,630 sqft recorded · built 1981 · $166/sqft assessed$122Massessed value
  5. 183521-35 Market StZIP 19104 (University City · West Powelton) · 473,400 sqft recorded · built 1974 · $239/sqft assessed$113Massessed value
  6. 1922-34 S 17th StZIP 19103 (Rittenhouse · Logan Square) · 659,340 sqft recorded · built 1975 · $170/sqft assessed$112Massessed value
  7. 201601 Chestnut StZIP 19192 (Rittenhouse · Logan Square) · 694,386 sqft recorded · built 1990 · $157/sqft assessed$109Massessed value
  8. 211500-42 Market StZIP 19102 (Center City West) · 2,215,276 sqft recorded · built 1974 · $48/sqft assessed$107Massessed value
  9. 221500-40 John F Kennedy BlvdZIP 19102 (Center City West) · 558,420 sqft recorded · built 1959 · $185/sqft assessed$103Massessed value
  10. 23508-32 Walnut StZIP 19106 (Old City · Society Hill) · 986,960 sqft recorded · built 1918 · $104/sqft assessed$103Massessed value
  11. 24819-41 Chestnut StZIP 19107 (Washington Square West · Chinatown) · 693,000 sqft recorded · built 1926 · $141/sqft assessed$98Massessed value
  12. 253711l Market StZIP 19104 (University City · West Powelton) · 356,362 sqft recorded · built 2015 · $273/sqft assessed$97Massessed value
  13. 261601-29 John F Kennedy BlvdZIP 19103 (Rittenhouse · Logan Square) · 798,189 sqft recorded · built 1928 · $122/sqft assessed$97Massessed value
  14. 272301 Market StZIP 19103 (Rittenhouse · Logan Square) · 823,339 sqft recorded · built 1916 · $116/sqft assessed$96Massessed value
  15. 283655-75 Market StZIP 19104 (University City · West Powelton) · 295,293 sqft recorded · built 2018 · $318/sqft assessed$94Massessed value
  16. 291835 Market StZIP 19103 (Rittenhouse · Logan Square) · 800,458 sqft recorded · built 1985 · $114/sqft assessed$92Massessed value
  17. 301900 Market StZIP 19103 (Rittenhouse · Logan Square) · 126,000 sqft recorded · built 1981 · $653/sqft assessed$82Massessed value
  18. 311845 Walnut StZIP 19103 (Rittenhouse · Logan Square) · 560,000 sqft recorded · built 1968 · $145/sqft assessed$81Massessed value
  19. 321327-39 Chestnut StZIP 19107 (Washington Square West · Chinatown) · 484,884 sqft recorded · built 1916 · $161/sqft assessed$78Massessed value
  20. 331500-30 Spring Garden StZIP 19130 (Fairmount · Spring Garden) · 1,213,200 sqft recorded · built 1948 · $63/sqft assessed$76Massessed value
  21. 341 S Broad StZIP 19107 (Washington Square West · Chinatown) · 479,840 sqft recorded · built 1930 · $158/sqft assessed$76Massessed value
  22. 35123 S Broad StZIP 19109 (Avenue of the Arts · Center City) · 760,200 sqft recorded · built 1927 · $94/sqft assessed$72Massessed value
  23. 361622-50 Arch StZIP 19103 (Rittenhouse · Logan Square) · 688,986 sqft recorded · built 1975 · $101/sqft assessed$69Massessed value
  24. 371600-26 John F Kennedy BlvdZIP 19103 (Rittenhouse · Logan Square) · 544,200 sqft recorded · built 1966 · $127/sqft assessed$69Massessed value
  25. 38100-16 S Independence Mall WZIP 19106 (Old City · Society Hill) · 404,118 sqft recorded · built 1965 · $157/sqft assessed$64Massessed value
  26. 39100 S Broad StZIP 19110 (Center City West) · 484,528 sqft recorded · built 1898 · $123/sqft assessed$60Massessed value
  27. 405 Crescent DrZIP 19112 (Navy Yard) · 236,800 sqft recorded · built 2013 · $219/sqft assessed$52Massessed value
  28. 411601-23 Market StZIP 19103 (Rittenhouse · Logan Square) · 797,220 sqft recorded · built 1970 · $64/sqft assessed$51Massessed value
  29. 42615 Chestnut StZIP 19106 (Old City · Society Hill) · 375,396 sqft recorded · built 1980 · $134/sqft assessed$50Massessed value
  30. 43801 Market StZIP 19107 (Washington Square West · Chinatown) · 350,022 sqft recorded · built 1928 · $141/sqft assessed$50Massessed value
  31. 442000 Hamilton StZIP 19130 (Fairmount · Spring Garden) · 277,830 sqft recorded · built 1950 · $175/sqft assessed$49Massessed value
  32. 453020-52 Market StZIP 19104 (University City · West Powelton) · 210,000 sqft recorded · built 1960 · $232/sqft assessed$49Massessed value
  33. 462000-24 Market StZIP 19103 (Rittenhouse · Logan Square) · 696,261 sqft recorded · built 1973 · $65/sqft assessed$46Massessed value
  34. 47101 N Independence Mall EZIP 19106 (Old City · Society Hill) · 582,120 sqft recorded · built 1973 · $74/sqft assessed$43Massessed value
  35. 481601 Chestnut StZIP 19192 (Rittenhouse · Logan Square) · 198,396 sqft recorded · built 2007 · $215/sqft assessed$43Massessed value
  36. 491800 John F Kennedy BlvdZIP 19103 (Rittenhouse · Logan Square) · 265,620 sqft recorded · built 1983 · $159/sqft assessed$42Massessed value
  37. 5030-36 S 15th StZIP 19102 (Center City West) · 255,000 sqft recorded · built 1985 · $166/sqft assessed$42Massessed value

Ask what the roll cannot settle.

Open the cited analyst to compare a specific address with this category, examine its permits and violations, or identify which current City records should be verified before underwriting.

Method: OPA parcels in category code 10, assessed above $10,000 and with more than 200 recorded interior sqft. Category $/sqft statistics use every qualifying record; property rows rank assessed value from highest to lowest, with parcel number breaking ties. Area labels are approximate and do not replace parcel or zoning research. Office of Property Assessment ↗