Permit Record

Alteration Commercial

4970 Linnean Ave NW, Washington, DC 20008

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Colin Clark
Owner
Wallace
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
2030-0804
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
38.9550, -77.0638
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 13, 2015
Applied
Not in source
Work class
Not in source
Description
Source description

Revision to permit #B1410932 to enlarge the prior approved deck with a new stair location.

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:06 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

10 permits at this parcel (parcel 2030-0804) · Dec 20, 2012 – Jul 13, 2015

  1. Jul 13, 2015This permitAlteration Commercial · Issued
  2. Feb 11, 2015E94114338MEP Electrical · Issued
  3. Feb 5, 2015E60320397MEP Electrical · Issued
  4. Dec 17, 2014B1410932Addition Residential · Issued
  5. Dec 8, 2014E88041995MEP Electrical · Issued
  6. Nov 12, 2014PC90141145Other · Issued
  7. Sep 16, 2014P1408627MEP Plumbing · Issued
  8. Jul 18, 2014B1409303Alteration Commercial · Issued
  9. Aug 28, 2013E1308055MEP Electrical · Finaled
  10. Dec 20, 2012WP1300033Other · Issued

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

Developer details
Permit #
B1508205
Canonical ID
243:B1508205
Source permit ID
B1508205
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