Permit Record

Alteration Commercial

635 Massachusetts Ave NW, Washington, DC 20001

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
635 Mass Ave LLC
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
0484W-0021
Climate zone (IECC)
4A
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
Not in source
Building subtype
RAZE
Geocode & dates
Coordinates
38.9022, -77.0209
Geocode confidence
95%
Geocode source
Not in source
Issued
Jun 13, 2013
Applied
Not in source
Work class
Not in source
Description
Source description

7 STORY OFFICE BUILDING WITH GROUND FLOW RETAIL SPACE AND BELOW GRADE PARKING

Status
Current status
expired
Source status
EXPIRED
Provenance
First seen (no changes since)
May 19, 2026 · 00:04 UTC
Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

18 permits at this parcel (parcel 0484W-0021) · Aug 13, 2009 – Jun 13, 2013

  1. Jun 13, 2013This permitAlteration Commercial · Expired
  2. Mar 15, 2013SS1300059Alteration Commercial · Expired
  3. Sep 12, 2012SS1200106Alteration Commercial · Expired
  4. May 11, 2012SS1200075Alteration Commercial · Expired
  5. May 11, 2012SS1200064Alteration Commercial · Expired
  6. May 11, 2012SS1200073Alteration Commercial · Expired
  7. May 1, 2012AH1200463Other · Expired
  8. Dec 15, 2011SS1200010Alteration Commercial · Expired
  9. Aug 16, 2011SS1100108Alteration Commercial · Expired
  10. Jul 8, 2011SS1100100Alteration Commercial · Expired
  11. May 25, 2011SB1100062Other · Expired
  12. May 10, 2011SS1100080Alteration Commercial · Expired
  13. Nov 19, 2010SS1100018Alteration Commercial · Expired
  14. Jun 30, 2010SS1000108Alteration Commercial · Expired
  15. May 14, 2010SS1000070Alteration Commercial · Expired
  16. May 14, 2010SS1000069Alteration Commercial · Expired
  17. Feb 23, 2010SS1000044Alteration Commercial · Expired
  18. Aug 13, 2009SS0900093Alteration Commercial · Expired

Full permit history at this parcel · as of Aug 11, 2026.

Developer details
Permit #
R1200169
Canonical ID
243:R1200169
Source permit ID
R1200169
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