Permit Record

MEP Mechanical HVAC

4545 42nd St NW, Washington, DC 20016

ClassificationSUPPLEMENTAL - MECHANICALCommercial MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Molybdenum 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
1730-0016
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
MECHANICAL
Geocode & dates
Coordinates
38.9492, -77.0818
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 29, 2026
Applied
Not in source
Work class
Mixed
Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen by PermitCore
Jul 31, 2026 · 10:05 UTC
Last seen
Aug 14, 2026 · 10:15 UTC
Last changed
Aug 14, 2026 · 10:15 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

29 permits at this parcel (parcel 1730-0016) · Aug 17, 2009 – Jul 29, 2026

  1. Jul 29, 2026This permitMEP Mechanical HVAC · Issued
  2. Jul 23, 2026P2610070MEP Plumbing · Issued
  3. Jul 17, 2026E2610997MEP Electrical · Issued
  4. Jul 14, 2026B2605880Alteration Commercial · Issued
  5. May 8, 2026P2607422MEP Plumbing · Finaled
  6. Mar 5, 2026E2606236MEP Electrical · Finaled
  7. Feb 13, 2026B2506517Alteration Commercial · Finaled
  8. Jul 17, 2025M2504001MEP Mechanical HVAC · Issued
  9. Dec 21, 2022P2302677MEP Plumbing · Issued
  10. Dec 7, 2022B2301129Alteration Commercial · Issued
  11. Oct 28, 2022E2301111MEP Electrical · Finaled
  12. Oct 26, 2022BP2300313Other · Expired
  13. Oct 26, 2022E2301003MEP Electrical · Issued
  14. Aug 6, 2021B2109205Alteration Commercial · Finaled
  15. Jul 15, 2021P2107286MEP Plumbing · Finaled
  16. Jul 12, 2021M2102824MEP Mechanical HVAC · Finaled
  17. Jul 2, 2021E2108408MEP Electrical · Finaled
  18. Jun 21, 2021BP2103803Other · Expired
  19. Apr 8, 2020B2002229Alteration Commercial · Finaled
  20. Feb 20, 2020P2004068MEP Plumbing · Finaled
  21. Feb 7, 2020M2001403MEP Mechanical HVAC · Finaled
  22. Oct 30, 2019B2001139Alteration Commercial · Finaled
  23. Oct 9, 2015PC63097837Other · Finaled
  24. Sep 8, 2015B1512366Alteration Commercial · Finaled
  25. Jul 4, 2014E36511419MEP Electrical · Issued
  26. Jul 2, 2014B1409266Alteration Commercial · Issued
  27. Apr 29, 2014B1406718Alteration Commercial · Finaled
  28. Aug 20, 2009E0906741MEP Electrical · Finaled
  29. Aug 17, 2009B0907146Alteration Commercial · Issued

Full permit history at this parcel · as of Aug 13, 2026.

Developer details
Permit #
M2604256
Canonical ID
243:M2604256
Source permit ID
M2604256
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