Permit Record

Alteration Commercial

2121 Massachusetts Ave NW, Washington, DC 20008

ClassificationCONSTRUCTION - ALTERATION AND REPAIRCommercial Alteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Cosmos Club
Owner
Cosmos Club
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
0066-0078
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
ALTERATION AND REPAIR
Geocode & dates
Coordinates
38.9114, -77.0477
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 13, 2026
Applied
Not in source
Work class
Mixed
Description
Source description

HISTORIC IT IS THE PURPOSE OF THIS PROJECT TO RESTORE AND REHABILITATE 7 SELECT HISTORIC SPACES WITHIN THE HISTORIC TOWNSEND MANSION OF THE COSMOS CLUB. THIS IS PHASE 1 WHICH INCLUDES THE 2 HISTORIC SPACES ON THE FIRST FLOOR. THE GOLD ROOM AND THE DOLLY MADISON PARLOR. WORK INCLUDES STRUCTURAL REINFORCEMENT BELOW THE FIREPLACES IN BOTH ROOMS, REVISING PAINT AND DECORATIVE FINISHES, REPAIRING AND REPLACING WOOD FLOORS, REPLACING HISTORIC LIGHT SCONCES IN KIND IN GOLD ROOM, ALIGNING HISTORIC DOORS, REPAIR OF HANDRAIL IN DOLLY MADISON PARLOR. CONSTRUCTION SHALL COMPLY WITH THE INTERNATIONAL BUILDING CODE 2015 (AS MODIFIED BY THE 2017 DISTRICT OF COLUMBIA DCMR-12A BUILDING CODE). THE WORK WILL FOLLOW THE SECRETARY OF THE INTERIORS STANDARDS FOR THE TREATMENT OF HISTORIC PROPERTIES, PARTICULARLY PRESERVATION AND RESTORATION OF MATERIALS. THE TEAM WILL FOLLOW THE GUIDELINES OF THE NATIONAL PARK SERVICE PRESERVATION BRIEFS AS THEY RELATE TO THE PROJECT'S HISTORIC FEATURES.

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen by PermitCore
Jul 15, 2026 · 09:56 UTC
Last seen
Aug 11, 2026 · 10:11 UTC
Last changed
Aug 11, 2026 · 10:11 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

37 permits at this parcel (parcel 0066-0078) · Oct 16, 2009 – Jul 13, 2026

  1. Jul 13, 2026This permitAlteration Commercial · Issued
  2. Jun 10, 2025EA2501811Other · Issued
  3. Jan 9, 2025P2502819MEP Plumbing · Finaled
  4. Jan 9, 2025B2501979Alteration Commercial · Issued
  5. Dec 6, 2024FB2500046Other · Issued
  6. Aug 30, 2024E2411926MEP Electrical · Finaled
  7. Nov 9, 2023FB2400016Other · Issued
  8. Jun 14, 2021B2105897Alteration Commercial · Expired
  9. Sep 24, 2019P1909781MEP Plumbing · Finaled
  10. May 14, 2019B1908084Alteration Commercial · Issued
  11. Oct 3, 2017P1800048MEP Plumbing · Expired
  12. Sep 11, 2017P1708979MEP Plumbing · Expired
  13. Sep 11, 2017E1710210MEP Electrical · Expired
  14. Sep 8, 2017M1703750MEP Mechanical HVAC · Expired
  15. Sep 8, 2017P1708929MEP Plumbing · Expired
  16. Sep 5, 2017B1708588Alteration Commercial · Issued
  17. May 17, 2017D1700468Demolition · Issued
  18. Jul 26, 2016M1602903MEP Mechanical HVAC · Finaled
  19. Jul 25, 2016E1608467MEP Electrical · Finaled
  20. Jul 13, 2016P1607754MEP Plumbing · Finaled
  21. May 25, 2016B1605962Alteration Commercial · Finaled
  22. Apr 4, 2016BCIV1600069Alteration Commercial · Issued
  23. Feb 1, 2016P1603286MEP Plumbing · Finaled
  24. Feb 1, 2016P1603288MEP Plumbing · Finaled
  25. Feb 1, 2016P1603287MEP Plumbing · Finaled
  26. Feb 1, 2016P1603292MEP Plumbing · Finaled
  27. Aug 25, 2015E36626426MEP Electrical · Finaled
  28. Apr 24, 2015P1505324MEP Plumbing · Issued
  29. Apr 23, 2015E1505194MEP Electrical · Expired
  30. Apr 2, 2015P1504699MEP Plumbing · Finaled
  31. Mar 30, 2015B1502826Alteration Commercial · Finaled
  32. Jun 26, 2013B1308215Alteration Commercial · Finaled
  33. Jun 19, 2013CP1300017Alteration Commercial · Issued
  34. Jun 11, 2013ER1301841Other · Expired
  35. Jun 28, 2011E1107083MEP Electrical · Expired
  36. Jun 28, 2011E1107084MEP Electrical · Expired
  37. Oct 16, 2009B1000429Alteration Commercial · Expired

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

Developer details
Permit #
B2602892
Canonical ID
243:B2602892
Source permit ID
B2602892
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