Rankings

Best Maryland Counties for Solar Potential

A sourced county-centroid solar resource ranking from NASA POWER climatology.

Ranking boundary

Rankings Are Discovery Leads

A high ranking means a county is worth researching first. It is not legal advice, a recommendation to buy land, or proof that any parcel will qualify for a specific use.

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sourced

Solar potential uses county-centroid irradiance as a broad planning proxy.

Source confidence

Ranking Confidence Strip

A quick trust check for the top-ranked counties: verified profiles, major source coverage, citation depth, and the number of source inputs behind this ranking.

top 10 covered
Top 10 profilesverified
10/10

Sourced county profiles

Source coverageverified
10/10

Major sourced layers present

Citation depthsourced
201

Top 10 county citation URLs

Ranking inputssourced
3

Source groups used by this ranking

#1Anne Arundel CountyPartially sourced5

Anne Arundel County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#2Calvert CountyPartially sourced5

Calvert County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#3Caroline CountyPartially sourced5

Caroline County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#4Charles CountyPartially sourced5

Charles County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#5Dorchester CountyPartially sourced5

Dorchester County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#6Prince George's CountyPartially sourced5

Prince George's County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#7Queen Anne's CountyPartially sourced5

Queen Anne's County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#8Somerset CountyPartially sourced5

Somerset County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#9St. Mary's CountyPartially sourced5

St. Mary's County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#10Talbot CountyPartially sourced5

Talbot County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#11Wicomico CountyPartially sourced5

Wicomico County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#12Worcester CountyPartially sourced5

Worcester County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#13Baltimore CountyPartially sourced4

Baltimore County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#14Baltimore cityPartially sourced4

Baltimore city now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#15Carroll CountyPartially sourced4

Carroll County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#16Cecil CountyPartially sourced4

Cecil County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#17Harford CountyPartially sourced4

Harford County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#18Howard CountyPartially sourced4

Howard County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#19Kent CountyPartially sourced4

Kent County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#20Allegany CountyPartially sourced3

Allegany County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#21Frederick CountyPartially sourced3

Frederick County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#22Montgomery CountyPartially sourced3

Montgomery County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#23Washington CountyPartially sourced3

Washington County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

#24Garrett CountyPartially sourced2

Garrett County now has a first-pass Maryland statewide source anchor for routing. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, floodplain, wetland, Critical Area, municipal jurisdiction, and building-permit feasibility should still be confirmed through local staff, state environmental review, subdivision rules, private covenants, and parcel-level research before purchase.

Research context

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