Skip to main content
CityRuleLookup

Westchester County, NY Tree Protection: Protected Tree Species (2026)

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

Key Facts

Specimen tree
24-inch DBH or greater
Protected tree list
Set by Planning Board
Also regulated
Trees on 25%+ slopes
Applies to
County-owned property only

Summary

County Code § 712.314 bars removing a protected or specimen tree, or disturbing its dripline, on Westchester County-owned property without prior authorization.

City-specific rules exist: Mount Vernon has its own protected tree species rules that differ from Westchester County's county-level regulations. If you live in Mount Vernon, check the city-specific page instead.

Protected tree. A protected tree is any species of tree determined by the Planning Board to be in need of protection. Such a determination shall be made upon the recommendation of the commissioner to the Planning Board. Upon adoption of a resolution by the Planning Board, the names of species of trees protected herein shall be contained in a list duly maintained and reviewed by the Planning Board on an annual basis. Any amendments to said list may from time to time be made upon the recommendation of the commissioner to the Planning Board. Such changes as adopted by the Planning Board to the protected tree list shall be duly reflected in the list maintained by the Planning Board.10.Specimen tree. Any tree with a DBH of twenty-four (24) inches or greater.11.Tree. Any living, woody plant which has a DBH of six (6) inches or more, or has multiple trunks with a total canopy of twelve (12) feet or more.12.Tree removal. The cutting down of a tree or any act which causes a tree to die within a one (1) year period. (Added by L.L. No. 9-1994)

Source: Westchester County ParksView 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 47).

Full Breakdown

Section 712.313 defines a 'protected tree' as any species the Planning Board designates for protection and a 'specimen tree' as any tree with a diameter at breast height of 24 inches or greater. Section 712.314 then bars anyone from clearing, removing a specimen or protected tree, disturbing the grade within a tree's dripline, or removing trees on slopes of 25 percent or more without County Executive authorization.

Violations & Fines

A violation of these county-owned property tree provisions is an offense under § 712.651, carrying a fine up to $100 or up to 30 days imprisonment, or both.

Frequently Asked Questions

What makes a tree 'protected' under county rules?
The Planning Board designates protected species by resolution and maintains a reviewed list; removal of a listed species needs County Executive authorization.
Is a hazardous tree exempt?
Yes. Section 712.313 lets a hazardous tree posing a danger to life or property be removed without prior permission.

Sources & Official References

Other rules in Westchester County

All Westchester County rules

New York rules heatmap·Compare Westchester County to another location·View the New York tree protection overview

Get notified when Protected Tree Species in Westchester County, NY changes

We'll email you the moment we detect a change in the code. No spam, unsubscribe anytime.

We'll never sell or share your email. One-click unsubscribe in every email.

See something wrong?

Help us keep this page accurate. If you notice an error or outdated information, let us know.

Protected Tree Species in Cities Across Westchester County