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DeKalb County, GA Tree Protection: Parkway Planting (2026)

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

Key Facts

Governing section
DeKalb County Code § 14-39(k)
Residential density trigger
Over 3 units/acre
Design standard
County Code Chapter 27
Applies to
Unincorporated DeKalb only
Maintenance period
2 growing seasons post-inspection

Summary

New commercial, office and industrial developments in unincorporated DeKalb, plus denser residential projects, must plant street trees and a landscape strip along new or widened roads per the county's Chapter 27 design standards.

These county ordinances apply to unincorporated areas of DeKalb County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

(k)Street trees. Street trees and continuous landscape strips shall be provided, in conformance with the design requirements specified in Chapter 27 of the DeKalb County Code of Ordinances, along newly constructed streets, and along existing streets which are widened or realigned subsequent to the adoption of this ordinance, in all office, commercial, and industrial developments and along newly constructed streets of residential developments with a net residential density exceeding three (3) dwelling units per acre...

Full Breakdown

DeKalb County Code § 14-39(k) requires street trees and continuous landscape strips along newly constructed streets, and along existing streets that are widened or realigned, for all office, commercial and industrial developments plus residential developments denser than three dwelling units per acre. Design specifications are set by Chapter 27 of the county code. Trees counted toward the requirement must be maintained for two full growing seasons after final inspection. The rule applies to unincorporated DeKalb only; cities carved out of the county, such as Dunwoody and Brookhaven, run separate landscaping codes.

Violations & Fines

Failing to install required street trees blocks the certificate of occupancy under § 14-39(e)(3), and violations of the tree protection ordinance carry the per-tree penalties of § 14-39(p).

Frequently Asked Questions

Does DeKalb require street trees for a new commercial building?
Yes. Section 14-39(k) requires street trees and a continuous landscape strip along the frontage for all new office, commercial and industrial development in unincorporated DeKalb.
Do single-family subdivisions need street trees too?
Only if the residential density exceeds three dwelling units per acre, or a zoning condition or special land use permit requires it.

Sources & Official References

Other rules in DeKalb County

All DeKalb County rules

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