Title 21 — ZONING›Chapter 28 — GLOSSARY
Petaluma Municipal Code § 4.20 Urban Standards for Districts
Petaluma Municipal Code · 2026-09 edition · updated 2026-10-04 · Petaluma
Cite as: Petaluma Municipal Code § 4.20 · Text as of 2026-10-04
The urban standards applicable to proposed development within the districts established by Section 2 (Zoning
Map) are as follows.
A. D1 - Historic Agricultural Services District. Proposed redevelopment of the site shall comply with the standards
provided by Section 4.10 (Urban Standards Table) for the T5 transect zone, except where alternative standards are
authorized through conditional use permit approval or design review. Minor changes in existing structures may
conform with the current development pattern of the site in terms of building placement, setbacks and heights.
B. D2 - Railroad District. Proposed redevelopment shall comply with standards established by the review
authority through the conditional use permit process or design review.
C. D3 - River-Dependent Industrial District. Proposed redevelopment of the site shall comply with the standards
provided by Section 4.10 (Urban Standards Table) for the T6 transect zone, except where alternative standards are
authorized through conditional use permit approval or design review. Minor changes in existing structures may
conform with the current development pattern of the site in terms of building placement, setbacks and heights.
D. D4 - Thoroughfare District. Proposed redevelopment of the site shall comply with the standards provided by
Section 4.10 (Urban Standards Table) for the T5 transect zone, except as follows:
1. Building Placement - “Edge Yards” permitted
2. Building Setback - 10’ minimum rear yard setback; no maximum front or side yard
3. Frontage Types - Not applicable
4. Percent Building Frontage Required - No minimum
5. Building Height - No minimum
6. Parking Location - Parking in “1st Layer” permitted
4.20.010 Building Height Exception in T5 Zone.¶
The maximum building height in the T5 zone shall be 4 stories, unless Planning Commission is able to make the
following Tndings to allow up to two more stories (a total maximum of 6 stories):
A. That the additional height makes a positive contribution to the overall character of the area and will be
compatible with its surroundings.
B. That the additional height will not result in unreasonable restrictions of light and air to adjacent properties or
the public right-of-way, or otherwise be detrimental to the public health, safety and welfare.
C. That the additional height will support other policies and standards of this Code and the Central Petaluma
SpeciTc Plan and will result in a better overall project.
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