Updated: Jul 14, 2026
Location and Projects
Address
6511 CHILLUM PL NW, Washington, DC, 20012
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William P Gelberg Construction
William P Gelberg Inc, 6511 Chillum Pl NW, Washington, DC holds a Industrial Trades, Electrician Contractor license and 3 other licenses according to the District of Columbia license board.
Their BuildZoom score of 93 ranks in the top 27% of 3,403 District of Columbia licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William P Gelberg Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William P Gelberg Inc Services
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William P Gelberg Inc Contact Information
Phone Number: (202) 882-7733
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Address: 6511 CHILLUM PL NW, Washington, DC 20012
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Building Permits by William P Gelberg Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Erect awning over sidewalk and enclosed sidewalk cafe as per plans at above address for dcity smokehouse
Valuation:
N/A
Permit #:
PA403573
Status:
issued
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Install two non-illuminated kiosks (one located at 8th st. & l st. se) (one located at potomac ave. & half st. sw)
Valuation:
N/A
Permit #:
PA332505
Status:
expired
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
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Verified License
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William P Gelberg Inc License info
Verified License
| License # | ECC40000553 |
| Status | Active |
| City | District Of Columbia |
| Type | Industrial Trades, Electrician Contractor |
| Date Issued | 12-04-2025 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for William P Gelberg Inc at the District of Columbia Board of Industrial Trades.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 410522000360 |
| Status | Active |
| City | District Of Columbia |
| Type | Gen Contr Construction Mngr |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2026. Check the current license status of William P Gelberg Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2705169781 |
| Status | Active |
| State | Virginia |
| Type | Electrical (Ele), Billboard / Sign (Bsc) |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for William P Gelberg Inc at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2705012608 |
| Status | Inactive |
| State | Virginia |
| Type | Billboard / Sign (Bsc) |
| Business Type | Corporation |
- According to the Virginia Department of Professional and Occupational Regulation, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for William P Gelberg Inc at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.