Permit Record

MEP Mechanical HVAC

1779 Massachusetts Ave NW, Washington, DC 20036

ClassificationSUPPLEMENTAL - MECHANICALResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Carnegie Endowment For Intl Peace
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
0157-0866
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
38.9093, -77.0410
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 20, 2021
Applied
Not in source
Work class
Residential
Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:13 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

70 permits at this parcel (parcel 0157-0866) · Dec 23, 2009 – Jan 13, 2026

  1. Jan 13, 2026M2601249MEP Mechanical HVAC · Issued
  2. Jul 3, 2025EA2502185Other · Issued
  3. Jun 4, 2025E2509512MEP Electrical · Issued
  4. Jun 4, 2025B2504329Alteration Commercial · Issued
  5. Dec 6, 2024E2502803MEP Electrical · Issued
  6. Dec 4, 2024B2500308Alteration Commercial · Issued
  7. Sep 24, 2024P2410476MEP Plumbing · Issued
  8. Sep 3, 2024E2411977MEP Electrical · Issued
  9. Sep 3, 2024E2411973MEP Electrical · Issued
  10. Aug 30, 2024B2407973Alteration Commercial · Issued
  11. Oct 18, 2023P2400511MEP Plumbing · Issued
  12. Oct 18, 2023E2400634MEP Electrical · Issued
  13. Oct 18, 2023B2400099Alteration Commercial · Issued
  14. Aug 17, 2023P2309836MEP Plumbing · Issued
  15. Aug 10, 2023E2311334MEP Electrical · Issued
  16. Aug 10, 2023E2311331MEP Electrical · Issued
  17. Aug 8, 2023B2305753Alteration Commercial · Issued
  18. Mar 23, 2022E2205476MEP Electrical · Issued
  19. Dec 3, 2021M2200713MEP Mechanical HVAC · Issued
  20. Oct 7, 2021P2200192MEP Plumbing · Issued
  21. Sep 17, 2021E2110794MEP Electrical · Issued
  22. Sep 8, 2021P2108619MEP Plumbing · Issued
  23. Aug 30, 2021P2108418MEP Plumbing · Issued
  24. Aug 20, 2021This permitMEP Mechanical HVAC · Issued
  25. Aug 18, 2021E2109885MEP Electrical · Issued
  26. Jul 21, 2021B2105715Alteration Commercial · Finaled
  27. Feb 12, 2021P2103488MEP Plumbing · Issued
  28. Feb 11, 2021E2103956MEP Electrical · Expired
  29. Feb 8, 2021E2103816MEP Electrical · Issued
  30. Feb 3, 2021B2102742Alteration Commercial · Issued
  31. Oct 29, 2019E2001225MEP Electrical · Expired
  32. Oct 22, 2019M2000158MEP Mechanical HVAC · Issued
  33. Oct 1, 2019B1906183Alteration Commercial · Issued
  34. Oct 26, 2018E1900932MEP Electrical · Issued
  35. Oct 23, 2018P1900618MEP Plumbing · Issued
  36. Sep 27, 2018E1811083MEP Electrical · Issued
  37. Sep 24, 2018B1813033Alteration Commercial · Issued
  38. Mar 30, 2018E1805381MEP Electrical · Issued
  39. Feb 28, 2018B1805274Alteration Commercial · Issued
  40. Jan 9, 2018P1802638MEP Plumbing · Issued
  41. Jan 2, 2018E1802781MEP Electrical · Issued
  42. Dec 7, 2017B1802324Alteration Commercial · Issued
  43. Jun 5, 2017E1707048MEP Electrical · Finaled
  44. Jun 1, 2017P1706338MEP Plumbing · Finaled
  45. May 30, 2017B1707936Alteration Commercial · Finaled
  46. Mar 28, 2017D1700370Demolition · Issued
  47. Mar 24, 2017E1704984MEP Electrical · Expired
  48. Mar 16, 2017P1704436MEP Plumbing · Issued
  49. Mar 7, 2017E1704395MEP Electrical · Issued
  50. Mar 3, 2017P1704176MEP Plumbing · Issued
  51. Mar 1, 2017B1703588Alteration Commercial · Issued
  52. Jan 27, 2017D1700229Demolition · Issued
  53. Sep 25, 2013E75459016MEP Electrical · Finaled
  54. Jul 15, 2013P1306343MEP Plumbing · Finaled
  55. Jun 14, 2013B1307745Alteration Commercial · Finaled
  56. Oct 9, 2012E1300253MEP Electrical · Finaled
  57. Oct 5, 2012P1300130MEP Plumbing · Expired
  58. Sep 18, 2012B1214379Alteration Commercial · Finaled
  59. Jun 30, 2010E1006451MEP Electrical · Issued
  60. Jun 24, 2010B1007308Alteration Commercial · Issued
  61. Mar 18, 2010E1003936MEP Electrical · Expired
  62. Mar 4, 2010E1003568MEP Electrical · Expired
  63. Feb 26, 2010M1000835MEP Mechanical HVAC · Finaled
  64. Feb 26, 2010E1003402MEP Electrical · Finaled
  65. Feb 26, 2010P1002671MEP Plumbing · Expired
  66. Feb 24, 2010P1002648MEP Plumbing · Finaled
  67. Jan 29, 2010B1002984Alteration Commercial · Finaled
  68. Jan 20, 2010P1002013MEP Plumbing · Expired
  69. Jan 13, 2010E1002502MEP Electrical · Finaled
  70. Dec 23, 2009B1002121Alteration Commercial · Finaled

Full permit history at this parcel · as of Aug 14, 2026.

Developer details
Permit #
M2103287
Canonical ID
243:M2103287
Source permit ID
M2103287
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