Is Metal Detecting in Public Parks Legal in Maryland After the 2026 Regulatory Updates?

No. Metal detecting in Maryland’s public parks is generally prohibited unless explicitly permitted by local ordinances or park management policies. State law defers to county and municipal regulations, with enforcement varying by jurisdiction. Recent 2026 compliance updates emphasize stricter penalties for unauthorized artifact removal.

Key Regulations for Metal Detecting in Public Parks in Maryland

  • Local Permit Requirements: Many counties, including Montgomery and Prince George’s, require written permission from park authorities or the Department of Natural Resources (DNR) before metal detecting. Permits often mandate site-specific approvals and artifact reporting.
  • Artifact Retention Laws: State regulations under Md. Code Ann., Nat. Res. § 5-209 prohibit the removal of historical or archaeological items from public lands. Violations may trigger felony charges under the 2026 Heritage Protection Act.
  • Prohibited Areas: Baltimore City and Anne Arundel County designate all public parks as “no-detect” zones unless part of a DNR-sanctioned research project. Trespassing penalties apply to unauthorized activity.

Local enforcement agencies, such as the Maryland Historical Trust (MHT), collaborate with park police to monitor compliance. Non-compliance risks fines up to $10,000 and potential civil liability for property damage. Always verify current county-specific rules before operating a metal detector.