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National Harbor › Legal
The Law Offices of Duane O. King
The Law Offices of Duane O. King — a Black-owned law firm serving National Harbor, MD, verified on Blacc Ownd.
Address137 National Plaza Suite 300, National Harbor, MD 20745
Phone+1888-740-5464
What we can show 4 of 6
- ✓ Named source — BuyBlack.org — national Black-owned directory
- ✓ Source page names this business
- ✓ Location derived from the street address
- ✓ Reachable — phone or website on file
- ✗ Not yet claimed by the owner
- ✗ No ownership document on file
Last checked Aug 21, 2026. Blacc Ownd records what it can evidence and says plainly what it cannot. How we verify
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Black-Owned Near National Harbor
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