Block Report

4500 Block of N Colorado St

58 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 58 properties on the 4500 Block of N Colorado St.

About this block

The 4500 block of N Colorado St contains 58 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1925 to 1940. There are 36 open code violations across the block. The block has seen 77 ownership transfers in the last five years. 54 properties on the block were built before 1978 and may carry lead-paint risk under Philadelphia's lead disclosure ordinance. The top three property owners on this block control approximately 17% of its parcels.

All properties on this block (50)

AddressYearOpen violOwner-occGrade
4501 N Colorado St194013YesD
4503 N Colorado St19408YesF
4505 N Colorado St19401YesC
4507 N Colorado St0YesD
4508 N Colorado St19400YesB
4509 N Colorado St19400YesA
4510 N Colorado St19400YesA
4511 N Colorado St19400YesA
4512 N Colorado St19400YesB
4513 N Colorado St19400YesA
Show all 50 properties

Recent block activity

  1. 2027-05-25License expired · 4516 N Colorado St
  2. 2027-04-30License expired · 4511 N Colorado St
  3. 2027-03-31License expired · 4529 N Colorado St
  4. 2027-01-23License expired · 4550 N Colorado St
  5. 2026-06-21Tax delinquency recorded · 4527 N Colorado St
  6. 2026-06-21Tax delinquency recorded · 4538 N Colorado St
  7. 2026-06-21Tax delinquency recorded · 4547 N Colorado St
  8. 2026-06-21Tax delinquency recorded · 4548 N Colorado St
  9. 2026-06-21Tax delinquency recorded · 4507 N Colorado St
  10. 2026-06-21Tax delinquency recorded · 4503 N Colorado St
  11. 2026-06-21Tax delinquency recorded · 4554 N Colorado St
  12. 2026-06-21Tax delinquency recorded · 4521 N Colorado St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockB0.62
StreetB0.37
ZIP 19140B0.26
Citywide