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DC Worst Landlord Watchlist

Cornerstone Apartments LLC

Ward 8
3 Buildings
22 Total Violations
$21,506 Fines Assessed
Oct 2025 Last Violation

Buildings across DC

Repeat Violations

Violation types cited 3 or more times across this landlord's properties.

Violation Times Cited Fines Date Range Buildings
Cracked plaster, holes, or water damage 4 $2,452 2024–2025 1
Windows or doors not weathertight 3 $1,843 2024–2025 1
Unsafe stairs or walking surfaces 3 $3,646 2023–2025 2

Buildings

# Address Units Violations Fines Last Cited
1 1800 Minnesota Avenue SE Ward 8 15 17 $16,082 Oct 2025 2 1636 18 th Street SE Ward 8 7 4 $3,066 Jun 2023 3 1730 R Street SE Ward 8 7 1 $2,358 Dec 2023

What you can do

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Report ongoing issues in your building
If you live in one of these buildings, you can anonymously report what's going on and see if your neighbors are dealing with the same issues. Look up your building to get started.
Tip: be specific about the issue and how long it's been going on — it helps build a stronger record.
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Get help from a volunteer
A volunteer can help you understand your options — whether that's filing a complaint, organizing with neighbors, or connecting with a tenant rights organization.

Violation and fine data from DC Department of Buildings open records. Fines shown are assessed amounts; DC does not publish collected amounts. "Last cited" is the date of the most recent violation recorded for each building.