Key Takeaways

  • Maryland requires disclosure of known environmental hazards affecting property condition
  • The Maryland Department of the Environment (MDE) regulates environmental matters
  • Chesapeake Bay Critical Area Law affects development near tidal waters
  • Maryland has specific requirements for lead paint disclosure and testing
  • Flood zone disclosure may be required by lenders though Maryland has no separate state mandate
Last updated: January 2026

Environmental Issues in Maryland Real Estate

Environmental concerns can significantly affect property value and transaction requirements.

Environmental Disclosure

Licensee Disclosure Requirements

Maryland licensees must disclose known environmental hazards that:

  • Affect the property's physical condition
  • Are adverse material facts
  • Could not be discovered by reasonable inspection

Common Environmental Concerns

IssueDescription
Lead-Based PaintFederal disclosure required (pre-1978)
AsbestosCommon in older buildings
Underground Storage TanksMust disclose if known
RadonTesting recommended
WetlandsProtected areas limiting development
Flood ZonesMay affect insurance and financing

Maryland Department of the Environment (MDE)

The Maryland Department of the Environment regulates environmental matters:

MDE Authority

AreaRegulation
Air QualityPermits for emissions
Water QualityDischarge permits
Land ProtectionHazardous waste management
Solid WasteLandfills and disposal
Lead PaintCertification and remediation

Chesapeake Bay Critical Area Law

The Chesapeake Bay Critical Area Law affects development near tidal waters:

Key Provisions

FeatureRequirement
ApplicabilityWithin 1,000 feet of tidal waters
Buffer AreasDevelopment restrictions near shoreline
Habitat ProtectionLimits on clearing and building
Local ProgramsCounties implement critical area programs

Impact: Properties in Critical Areas may have significant development restrictions.

Lead Paint in Maryland

Maryland has enhanced requirements for lead paint beyond federal law:

Maryland Lead Paint Disclosure

RequirementDetail
Federal DisclosureRequired for pre-1978 homes
Maryland RegistrationRental properties must be registered
Inspection RequirementsMay be required for certain transactions
Tenant RightsEnhanced notification requirements

Lead Risk Reduction Standards

Maryland's lead law requires:

  • Rental property registration (pre-1978 homes)
  • Risk reduction standards for rental properties
  • Tenant notification of lead hazards
  • Certified inspectors for lead testing

Wetlands and Water Resources

Wetlands Protection

Maryland wetlands are protected under:

  • Federal Clean Water Act (Corps of Engineers permits)
  • Maryland Nontidal Wetlands Protection Act
  • Chesapeake Bay Critical Area Law (in designated areas)

Coastal Zone Management

Maryland's coastal areas have additional protections:

  • Maryland Coastal Zone Management Program
  • Coordination with federal agencies
  • Development restrictions in sensitive areas

Flood Zones and Insurance

Flood Zone Disclosure

RequirementStatus in Maryland
State-mandated disclosureNot specifically required
Federal lender requirementRequired for federally-related loans
Standard practiceOften included in contracts

Flood Insurance

  • Required for properties in Special Flood Hazard Areas (SFHA)
  • National Flood Insurance Program (NFIP)
  • May significantly affect property affordability

Other Environmental Considerations

Radon

  • Natural radioactive gas from soil
  • No Maryland disclosure requirement but recommended
  • Testing recommended, especially for basements
  • Higher risk areas in western Maryland

Mold

  • No specific Maryland regulations
  • May be disclosed as property condition issue
  • Can affect habitability

Lead-Based Paint (Federal Requirement)

For homes built before 1978:

  1. Provide EPA pamphlet
  2. Disclose known lead hazards
  3. Allow 10-day inspection period (can be waived)
  4. Use proper disclosure forms
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Environmental Issues in Maryland Real Estate
Test Your Knowledge

Which Maryland law affects development within 1,000 feet of tidal waters?

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Test Your Knowledge

Which agency regulates environmental matters in Maryland?

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Test Your Knowledge

What additional lead paint requirement does Maryland have for rental properties?

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