Permit Record

MEP Mechanical HVAC

829 Emerson St NW, Washington, DC 20011

ClassificationSUPPLEMENTAL - MECHANICALResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Herbert T Green
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
3009-0068
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
38.9500, -77.0249
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 22, 2020
Applied
Not in source
Work class
Residential
Status
Current status
finaled
Source status
COMPLETED
Provenance
First seen (no changes since)
May 19, 2026 · 00:11 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

8 permits at this parcel (parcel 3009-0068) · Jan 12, 2017 – Jul 22, 2020

  1. Jul 22, 2020This permitMEP Mechanical HVAC · Finaled
  2. Jul 22, 2020E2009594MEP Electrical · Issued
  3. Jul 22, 2020P2007540MEP Plumbing · Finaled
  4. Jun 17, 2020B2007023Alteration Commercial · Finaled
  5. Oct 20, 2017P1800553MEP Plumbing · Issued
  6. Oct 4, 2017E1800100MEP Electrical · Finaled
  7. Jul 21, 2017B1710910Alteration Commercial · Issued
  8. Jan 12, 2017EH1701446Other · Issued

Full permit history at this parcel · as of Jul 8, 2026.

Developer details
Permit #
M2003126
Canonical ID
243:M2003126
Source permit ID
M2003126
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