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Mobile, AL Tree Protection: Protected Tree Species (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Species listed
8 named species
DBH threshold
18 in. (8 in. historic districts)
Excluded
Water oak
Governing section
Sec. 65-2 definitions

Summary

Mobile names eight specific species, hickory, longleaf pine, magnolia, oak (excluding water oak), river birch, sweet gum, sycamore, and yellow poplar, as protected 'heritage trees' once they reach the code's size threshold.

Heritage tree, existing: Any of the following list of trees which is at least eighteen (18) inches DBH: hickory (Carya spp.); longleaf pine (Pinus palustris); magnolia (Magnolia spp.); oak (Quercus spp.), excluding water oak (Quercus nigra); river birch (Betula nigra); sweet gum (Liquidambar styraciflua); sycamore (Platanus occidentalis); and yellow poplar (Liriodendron tulipifera). In historic districts, heritage trees include the species previously noted, but have a minimum size of at least eight (8) inches DBH.

Heritage tree, credit or compliance: any tree planted or claimed for credit for compliance with the UDC or tree planting and landscaping requirements of the city.

Historic district: A geographic area designated by the city council as a historic district, including all historic districts existing as of the date of this chapter and future districts designated by the city council.

Land clearing: Those operations where trees and vegetation are removed and which occur previous to the construction of building; e.g., road right-of-way excavation or paving, lake and drainage system excavation, utility excavation, grubbing, and any other necessary clearing operations.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 67).

Full Breakdown

Sec. 65-2 defines 'heritage tree, existing' as any of eight listed species, hickory, longleaf pine, magnolia, oak (except water oak), river birch, sweet gum, sycamore, and yellow poplar, that measure at least 18 inches DBH, or 8 inches in a locally designated historic district. Live oaks are protected separately under the 'heritage live oak tree' definition at the same 18-inch threshold, regardless of location.

Violations & Fines

Removing or damaging a listed protected species without an urban forester permit is a Chapter 65 violation, carrying up to a $500 fine and up to three months' jail or community service.

Frequently Asked Questions

Which tree species does Mobile protect as heritage trees?
Hickory, longleaf pine, magnolia, oak (except water oak), river birch, sweet gum, sycamore, and yellow poplar at 18 inches DBH, plus live oaks under a separate definition.
Is a water oak protected in Mobile?
No. Sec. 65-2 specifically excludes water oak (Quercus nigra) from the heritage tree species list even if it exceeds the DBH threshold.

Sources & Official References

Other rules in Mobile

All Mobile rules

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