Zoning Report

St. Petersburg, FL Zoning

St. Petersburg regulates land use through Chapter 16 of its Code of Ordinances, called the Land Development Regulations (LDRs). The city’s zoning framework appears to combine district-based zoning, dimensional controls, site planning/design standards, and parcel-specific review through its GIS zoning map. Based on the sources provided, the city updates the LDRs periodically and processes code improvements generally twice per year, but the research packet only provides partial detail on the full district and use framework.

Last researched June 2026

Chapter 16 Land Development RegulationsNS residential districtssingle-family zoningaccessory dwelling unitsdimensional standardsdensity limitsFAR and lot coveragefloodplain and stormwater floodplainGIS zoning mapnonconforming development

Zoning Districts in St. Petersburg, FL

Neighborhood Suburban-1 (NS-1)

A single-family suburban neighborhood district intended for post-war style neighborhoods with relatively large lots, front-facing driveways and garages, and automobile-oriented streets.

Allowed uses: Single-family homes as the principal use

Neighborhood Suburban-2 (NS-2)

A single-family suburban neighborhood district with added design requirements intended to maintain areas with a higher architectural legacy and established neighborhood character.

Allowed uses: Single-family homes as the principal use

Neighborhood Suburban Estate (NS-E)

The least dense of the NS districts, intended for very large-lot single-family areas with especially high architectural quality. Accessory dwelling units are allowed on the same lot as the principal residence at low density.

Allowed uses: Single-family homes as the principal use, Accessory dwelling units on the same lot as the principal residence

Recent Zoning Changes

The city states that Chapter 16 has been modified periodically since becoming effective on September 10, 2007, and that improvements are generally processed twice per year. The Municode version provided shows the code updated online through Supplement 54 on June 8, 2026, codified through Ordinance No. 632-H adopted April 2, 2026. However, the source packet does not identify the substance of the April 2026 St. Petersburg amendments.

Setbacks, Lot Size & Height Limits in St. Petersburg, FL

The provided code and handout materials show that St. Petersburg regulates lots, density, and development intensity by district, and that density cannot be increased by variance. For the NS districts, the handout provides minimum lot width and area, density, nonresidential FAR, building coverage, and impervious surface caps.

DistrictStandardRequirement
Citywide general rulemaximum residential density varianceNot allowedAny request to exceed maximum residential density requires a rezoning and future land use map amendment, where applicable.
NS-1minimum lot width75 ft.
NS-1minimum lot area5,800 sq.ft.
NS-1maximum residential density7.51 principal unit and 1 accessory unit per lotAs stated in handout table.
NS-1maximum nonresidential intensity0.35Maximum nonresidential floor area ratio.
NS-1maximum residential building coverage0.55Except where the primary structure is one story then a 0.60 building coverage is allowed.
NS-1maximum impervious surface0.60Site area ratio.
NS-2minimum lot width100 ft.
NS-2minimum lot area8,700 sq.ft.
NS-2maximum residential density5 principal unit and 1 accessory unit per lotAs stated in handout table.
NS-2maximum nonresidential intensity0.30Maximum nonresidential floor area ratio.
NS-2maximum residential building coverage0.55Except where the primary structure is one story then a 0.60 building coverage is allowed.
NS-2maximum impervious surface0.60Site area ratio.
NS-Eminimum lot width200 ft.
NS-Eminimum lot area1.0 acre
NS-Emaximum residential density2 principal unit and 1 accessory unit per lotAs stated in handout table.
NS-Emaximum nonresidential intensity0.20Maximum nonresidential floor area ratio.
NS-Emaximum residential building coverage0.55Except where the primary structure is one story then a 0.60 building coverage is allowed.
NS-Emaximum impervious surface0.40Site area ratio.

ADU, Rental & Special Use Rules in St. Petersburg, FL

Accessory dwelling unit

Accessory dwelling units are expressly allowed in the NS-E district on the same lot as the principal residence, subject to use-specific development standards.

  • Allowed on the same lot as the principal residence.
  • Refer to use-specific development standards for accessory dwelling and accessory living space regulations.
  • Handout states a maximum density expression of 2 principal unit and 1 accessory unit per lot in NS-E, as presented in the summary table.

Overlay Districts in St. Petersburg, FL

Stormwater Floodplain

A city-mapped flood risk area showing locations with a 1% or greater chance of flooding in any given year from rainfall-induced events, based on localized data.

St. Petersburg, FL Zoning FAQ

Are ADUs allowed in St. Petersburg, FL?

Accessory dwelling units are expressly allowed in the NS-E district on the same lot as the principal residence, subject to use-specific development standards.

What is the minimum lot size in St. Petersburg, FL?

Minimum lot size depends on the zoning district — NS-1: 75 ft.; NS-1: 5,800 sq.ft.; NS-2: 100 ft.; NS-2: 8,700 sq.ft..

What zoning districts are in St. Petersburg, FL?

St. Petersburg, FL includes districts such as Neighborhood Suburban-1 (NS-1), Neighborhood Suburban-2 (NS-2), Neighborhood Suburban Estate (NS-E).

Are there flood zones or overlay districts in St. Petersburg, FL?

Flood risk is a major citywide development constraint in St. Petersburg. The city says localized stormwater flood risk may extend beyond FEMA mapping, meaning a property can face meaningful flooding constraints even if it is outside the federal mapped floodplain.

Have there been recent zoning changes in St. Petersburg, FL?

The city states that Chapter 16 has been modified periodically since becoming effective on September 10, 2007, and that improvements are generally processed twice per year. The Municode version provided shows the code updated online through Supplement 54 on June 8, 2026, codified through Ordinance No.

Common questions about St. Petersburg, FL zoning

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Sources

This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with St. Petersburg, FL officials before making decisions.