Tree Protection in Jefferson County, MO (2026)
1 rule for unincorporated Jefferson County, Missouri.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Jefferson County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Parkway Planting
New development in unincorporated Jefferson County must plant street trees along its frontage: one tree for every 75 feet of street frontage in most zoning districts, or every 50 feet in the PM District, set within a 20-foot strip closest to the street, plus one shrub for every 20 feet of frontage.
Jefferson County Street Tree Planting Rule
Some RestrictionsJefferson County, MO Code of Ordinances § 400.4650(A)(1)
One (1) tree shall be planted for each fifty (50) feet of street frontage, public or private, within the landscaped setback abutting the street frontage with respect to development in the "PM" District. In all other districts, one (1) tree shall be planted for every seventy-five (75) feet of such street frontage. These trees may be clustered or arranged within the setback, if approved as part o...
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