Permit Record

Solar PV

3031 Oregon Knolls Dr NW, Washington, DC 20015

ClassificationCONSTRUCTION - SOLAR SYSTEMResidential Solar
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Calvin Baxter
Owner
Helgert, Hermann J
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
2358-0821
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
SOLAR SYSTEM
Geocode & dates
Coordinates
38.9755, -77.0532
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 13, 2025
Applied
Not in source
Work class
Residential
Description
Source description

We are installing a roof-mounted solar system with following details: 12.96 KW DC 32 x RUNERGY HY-DH108P8B 405W MODULES 1 x SOLAREDGE HOME HUB SE10000H-US (240V) INVERTER 32 x SOLAREDGE POWER OPTIMIZER S440

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:17 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

3 permits at this parcel (parcel 2358-0821) · Oct 9, 2024 – Aug 13, 2025

  1. Aug 13, 2025This permitSolar PV · Issued
  2. Oct 21, 2024E2500834MEP Electrical · Expired
  3. Oct 9, 2024SOL2403473Solar PV · Expired

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

Developer details
Permit #
SOL2501152
Canonical ID
243:SOL2501152
Source permit ID
SOL2501152
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