Block Report

4900 Block of National St

16 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 16 properties on the 4900 Block of National St.

About this block

The 4900 block of National St contains 16 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1940 to 2011. There are currently no open code violations on the block. The block has seen 27 ownership transfers in the last five years. 12 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 31% of its parcels.

All properties on this block (16)

AddressYearOpen violOwner-occGrade
4919 National St0YesB
4923 National St19500YesB
4925 National St19500YesA
4933 National St19400YesB
4935 National St19500YesB
4936 National St19400YesB
4937 National St20070YesC
4939 National St20070YesC
4941 National St19470YesA
4942 National St19500YesB
4943 National St19470YesA
4945 National St20110YesB
4946 National St19470YesA
4947 National St19470YesA
4949 National St19470YesA
4950 National St19470YesB

Recent block activity

  1. 2027-05-11License expired · 4949 National St
  2. 2026-06-21Tax delinquency recorded · 4949 National St
  3. 2026-06-21Tax delinquency recorded · 4939 National St
  4. 2026-06-21Tax delinquency recorded · 4937 National St
  5. 2026-06-21Tax delinquency recorded · 4936 National St
  6. 2026-05-28Permit issued · 4946 National St — Alterations
  7. 2026-04-24License issued · 4949 National St
  8. 2026-03-12Transferred · 4939 National St
  9. 2026-03-12Transferred · 4937 National St
  10. 2026-03-12Transferred · 4935 National St
  11. 2026-03-01Tax delinquency recorded · 4949 National St
  12. 2026-01-09Transferred · 4947 National St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockB0.00
StreetB0.00
ZIP 19135A0.12
Citywide