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Harford County

1 data center project we know about. 4 cities, towns and unincorporated areas.

Built & runningBeing builtApproved, not built yetProposedStopped or cancelledHollow dot (when zoomed in): exact site not known yet, pin shows the town

Projects

Stopped or cancelled

Data center idea at Mountain Branch Golf Course

Unincorporated Harford County, Harford County

🕒 May 19, 2026: County Council voted to treat the ban as emergency legislation; hearing set for June 9.

Reported in the news, not confirmed yet

Local votes and rules

🚫 Ban · Unincorporated Harford County

The county council voted 7-0 to ban data centers in every zoning district (Bill 26-011). County Executive Bob Cassilly signed it on June 10, 2026. Harford was the first Maryland county to ban data centers.

June 9, 2026Source

⏸️ Pause on new data centers · Unincorporated Harford County

A council member proposed a 180-day pause on data center approvals (Bill 26-005). It was withdrawn after the county executive proposed a full ban instead.

April 21, 2026Source

Find your town

In Maryland, cities and towns decide inside their limits. Outside them, the county decides.