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4900 MASSACHUSETTS AVE NW

WASHINGTON, DC 20016 · DC — Ward 3

Permit activity

Jan 2026 → Jul 2026
  1. Building permit issuedJan 5
  2. Building permit issuedJan 6
  3. Building permit issuedJan 7
  4. Building permit issuedJan 13
  5. Building permit issuedJul 23

Property record

SSL 1467 0883
Lot
31,599 sq ft
Assessed
$8,095,170
Land / improvements
$2,925,120 / $5,170,050
Last sale
Apr 1, 1999

Published by the District as assessment data, separately from the permit record above, and current as of the District’s own assessment cycle rather than today. An assessment can lag construction by a cycle, so a property with a recently issued permit may still be assessed as it was before the work. Owner details are published by the jurisdiction but are deliberately not shown here.

What this page cannot show

These are the permits published by the jurisdictions listed above. A project usually depends on approvals from other agencies that publish nothing machine-readable — a forest conservation exemption, a well completion report, a sediment control or grading plan, a utility connection, a homeowners’ association sign-off. Their absence here is not evidence they were not required, and the gaps between the dates above are usually where they happened. Rows labelled “Issued” are ISSUED permits — Washington DC publishes an issue date and no project valuation at all. Records are grouped by normalised address text, so the same property may also appear upstream under a different spelling. Verify scope, dates, and contractor information with the issuing jurisdiction before bidding, quoting, or performing work.

DC building
current only to Sep 20, 2026 (feed read Sep 23, 2026)
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