Permit Record

Alteration Commercial

1528 18th St NW, Washington, DC 20036

ClassificationCONSTRUCTION - ALTERATION AND REPAIRCommercial Alteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Richard Corley; Na
Owner
American Political Science Association
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
0136-0028
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
38.9105, -77.0419
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 26, 2021
Applied
Not in source
Work class
Mixed
Description
Source description

Flat roof replacement on bay window roof. No structural changes or changes in dimension.

Status
Current status
expired
Source status
EXPIRED
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

12 permits at this parcel (parcel 0136-0028) · Jul 20, 2009 – Jul 29, 2022

  1. Jul 29, 2022F2200348Fence Wall · Expired
  2. Jul 26, 2021This permitAlteration Commercial · Expired
  3. Jul 18, 2019P1907950MEP Plumbing · Expired
  4. Jul 18, 2019M1903541MEP Mechanical HVAC · Expired
  5. Jun 2, 2014B1408035Alteration Commercial · Issued
  6. Jan 15, 2014P54843893MEP Plumbing · Issued
  7. Jan 13, 2014E1402564MEP Electrical · Issued
  8. Jan 6, 2014B1403192Alteration Commercial · Issued
  9. Dec 18, 2009P1001547MEP Plumbing · Finaled
  10. Aug 20, 2009P0905161MEP Plumbing · Finaled
  11. Jul 23, 2009E0906103MEP Electrical · Issued
  12. Jul 20, 2009B0905972Alteration Commercial · Issued

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

Developer details
Permit #
B2110185
Canonical ID
243:B2110185
Source permit ID
B2110185
Browse Washington, DC permits in the Market Explorer →Pull this permit via /v1/permits →