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The blocks with the most major assessment exemptions

Count of qualifying homes where OPA shows a full-minus-taxable assessment gap over $100,000, excluding full exemptions. The numeric roll does not identify the program, term, or legal basis. 13,674 eligible blocks, using the stated public-record basis. Every linked entry opens its underlying report.

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No. 1 on this board68 homes200-299 S 25th St

68/76 homes flagged · Building-dominated, largest address 89.5% · 2027 published assessment roll · ZIP 19103 · open the underlying report →

Compared
13,674 eligible blocks
Basis
OPA assessment roll
Record date
2026-07-25

Which Philadelphia blocks have the most major assessment exemptions?

2027 published assessment roll · current Top 5 in 35 secondsTranscript and video details →

How to read this board

One metric, one stated population, one source date.

The large value is the ranking metric. Open a row for its underlying ZIP, block, or property report; use the method below before treating the comparison as a conclusion.

Complete ranking

Top 25 blocks, ranked

Count of qualifying homes where OPA shows a full-minus-taxable assessment gap over $100,000, excluding full exemptions. The numeric roll does not identify the program, term, or legal basis. Read the source and date with the value; rankings are comparisons, not appraisals or legal conclusions.

13,674 eligible blocksOPA assessment roll2026-07-25
Ranking metricBlocks with the most major assessment exemptionsSource = OPA assessments
  1. 200-299 S 25th St68/76 homes flagged · Building-dominated, largest address 89.5% · 2027 published assessment roll · ZIP 1910368 homes
  2. 4500-4599 Riverside Way58/60 homes flagged · 2027 published assessment roll · ZIP 1912758 homes
  3. 0-99 S 16th St57/116 homes flagged · Building-dominated, largest address 100% · 2027 published assessment roll · ZIP 1910257 homes
  4. 700-799 S Chris Columbus Blvd53/317 homes flagged · Building-dominated, largest address 76.3% · 2027 published assessment roll · ZIP 1914753 homes
  5. 15100-15199 Wildflower Way52/52 homes flagged · 2027 published assessment roll · ZIP 1911652 homes
  6. 600-699 N 5th St52/58 homes flagged · Building-dominated, largest address 31% · 2027 published assessment roll · ZIP 1912352 homes
  7. 900-999 N Marshall St46/52 homes flagged · 2027 published assessment roll · ZIP 1912346 homes
  8. 3300-3399 Pietro Way45/45 homes flagged · 2027 published assessment roll · ZIP 1914545 homes
  9. 1500-1599 Mascher St39/41 homes flagged · Building-dominated, largest address 34.1% · 2027 published assessment roll · ZIP 1912239 homes
  10. 3400-3499 Messina Way39/39 homes flagged · 2027 published assessment roll · ZIP 1914539 homes
  11. 1300-1399 S Bouvier St36/45 homes flagged · 2027 published assessment roll · ZIP 1914636 homes
  12. 500-599 Walnut St35/35 homes flagged · Building-dominated, largest address 100% · 2027 published assessment roll · ZIP 1910635 homes
  13. 700-799 N 20th St35/54 homes flagged · 2027 published assessment roll · ZIP 1913035 homes
  14. 1200-1299 N 5th St32/42 homes flagged · 2027 published assessment roll · ZIP 1912232 homes
  15. 1400-1499 N Marston St32/48 homes flagged · 2027 published assessment roll · ZIP 1912132 homes
  16. 2600-2699 Collins St32/48 homes flagged · 2027 published assessment roll · ZIP 1912532 homes
  17. 2400-2499 Manton St31/39 homes flagged · 2027 published assessment roll · ZIP 1914631 homes
  18. 1300-1399 N 7th St30/44 homes flagged · 2027 published assessment roll · ZIP 1912230 homes
  19. 1400-1499 Frankford Ave30/31 homes flagged · Building-dominated, largest address 96.8% · 2027 published assessment roll · ZIP 1912530 homes
  20. 1700-1799 N Howard St30/42 homes flagged · 2027 published assessment roll · ZIP 1912230 homes
  21. 600-699 N 11th St30/55 homes flagged · 2027 published assessment roll · ZIP 1912330 homes
  22. 1300-1399 S Woodstock St29/32 homes flagged · 2027 published assessment roll · ZIP 1914629 homes
  23. 1500-1599 N 7th St29/48 homes flagged · 2027 published assessment roll · ZIP 1912229 homes
  24. 700-799 N 19th St29/49 homes flagged · 2027 published assessment roll · ZIP 1913029 homes
  25. 1200-1299 S Bonsall St28/73 homes flagged · 2027 published assessment roll · ZIP 1914628 homes
Source: OPA Property Assessments · Office of Property Assessment · City of Philadelphia open data · indexed reports fetched 2026-07-16 through 2026-07-29
Exact method and eligibility

Population: blocks with at least 12 qualifying homes. Metric: count where full assessment minus taxable assessment exceeds $100,000, excluding full or near-full exemptions. The roll does not identify the program.

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