Tree Protection in Harford County, MD (2026)
2 rules for unincorporated Harford County, Maryland.
Verified from official government sources
Protected Tree Species
In unincorporated Harford County, zoning code § 267-39(D) makes any tree, shrub or plant on the U.S. Fish and Wildlife Service or Maryland DNR rare, threatened or endangered species lists a retention priority during development review, requiring it stay undisturbed unless the Department of Planning and Zoning grants a hardship waiver.
Harford County Protected Tree Species Rules
Some RestrictionsHarford County Code § 267-39
D. The following trees, shrubs, plants and specific areas shall be considered priorities for retention and protection and shall be left in an undisturbed condition: (1) Trees, shrubs or plants identified on the list of rare, threatened and endangered species of the United States Fish and Wildlife Service or the State Department of Natural Resources; ... E. Subsection D of this section does not ...
Parkway Planting
New residential and nonresidential developments in unincorporated Harford County must plant street trees along road frontages: one large tree per 40 linear feet or one medium tree per 30 linear feet of interior road.
Harford County Street Tree Planting Rules
Some RestrictionsHarford County Code § 267-29G
G. Street trees. (1) Street trees are required upon road frontages in new residential and nonresidential developments, pursuant to the following requirements: (a) One large street tree for every 40 linear feet (measured on the center line) of interior road or 1 medium street tree for every 30 linear feet of interior road. (b) In general, trees shall be spaced at regular intervals, without regar...
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