St. Louis Inclusionary Zoning Requirements

Land Use and Zoning Missouri 4 Minutes Read · published February 09, 2026 Flag of Missouri

In St. Louis, Missouri developers, planners, and residents often ask whether the city requires a fixed inclusionary zoning percentage for new housing projects. The City of St. Louis Planning Division oversees affordable housing policy, incentives, and development review; developers should consult the Planning Division for current guidance.[1]

Overview

The City of St. Louis does not display a single, citywide mandatory inclusionary zoning percentage as part of a consolidated inclusionary ordinance on the municipal code pages; many affordable housing outcomes are achieved through negotiated agreements, incentives such as tax increment financing or density bonuses, and programmatic tools rather than a uniform percentage requirement.[2]

Check the Planning Division early in project design to learn applicable affordable housing expectations.

Penalties & Enforcement

Because a citywide mandatory inclusionary percentage is not published as a specific municipal requirement on the cited code pages, explicit monetary fines, escalation amounts, and statutory daily penalties tied to a fixed percentage are not specified on the cited page. Enforcement, where applicable, is typically handled through development agreements, permit conditions, or code enforcement channels administered by city departments.[2]

  • Fines: not specified on the cited page; developers should expect negotiated remedies in agreements rather than preset per-unit percentage fines where no ordinance exists.
  • Escalation: not specified on the cited page; escalation or continuing offences are typically handled by agreement enforcement clauses or code enforcement procedures.
  • Non-monetary sanctions: may include stop-work orders, conditional permit revocation, requirement to provide affordable units or equivalent mitigation as set by agreement or permit conditions.
  • Enforcer and complaints: primary contact is the City of St. Louis Planning Division for development and permit conditions; building and code compliance may involve the Building Division and Code Enforcement.
  • Appeals and review: appeal routes and time limits depend on the specific permit, development agreement, or code section; where appeals apply they often go to the Board of Adjustment or to administrative review as defined in the municipal code.
If no ordinance specifies percentages, remedies are usually contractual or permit-based rather than fixed statutory fines.

Applications & Forms

The city does not publish a standardized "inclusionary zoning percentage" form; developers should use the standard development application and coordinate affordable housing commitments through the Planning Division and relevant development agencies. For program-specific forms or housing agreement templates, contact the Planning Division or associated development agencies directly.[3]

How compliance is typically handled

When affordable housing expectations arise in St. Louis projects they are commonly implemented through one or more of the following mechanisms:

  • Negotiated development agreements or covenants requiring a number of affordable units or in-lieu contributions.
  • Fee-in-lieu provisions or financial mitigation negotiated as part of project approvals.
  • Incentive programs such as density bonuses or tax incentives that make affordable units financially feasible.
  • Conditioning zoning map changes or variances on affordable housing commitments.
Document any affordable-housing commitments in recorded agreements to ensure enforceability.

Action steps for developers and owners

  • Early consultation: contact the City Planning Division during project concept to identify expectations and applicable incentives.[1]
  • Confirm required approvals: verify whether zoning changes, conditional use permits, or development agreements are needed via the municipal code and planning staff.[2]
  • Negotiate terms: include specific unit counts, income targets, durations, and enforcement remedies in any agreement or permit condition.
  • Record and monitor: record covenants where required and establish monitoring/reporting for compliance.

FAQ

Does St. Louis require a fixed inclusionary zoning percentage?
No—there is no single citywide mandatory percentage published on the cited municipal code pages; affordable housing outcomes in St. Louis are often achieved through negotiated agreements and incentives.[2]
Who enforces affordable housing obligations in St. Louis?
Enforcement generally involves the Planning Division for development agreements and the Building Division or Code Enforcement for permit conditions; contact the Planning Division for project-specific guidance.[1]
How do I appeal a decision about housing conditions on my project?
Appeals depend on the specific permit or agreement; where applicable, appeals are handled per municipal code procedures, which may include review by the Board of Adjustment or administrative appeal processes.[2]

How-To

  1. Confirm policy: review the City municipal code and Planning Division guidance to determine whether a project-specific affordable housing requirement applies.[2]
  2. Consult staff: schedule a pre-application meeting with the Planning Division to discuss targets, incentives, and compliance methods.[1]
  3. Negotiate and document: if affordable housing commitments are required, negotiate specific terms and ensure they are included in approvals and recorded documents.
  4. Implement and report: deliver units or payments as agreed and comply with any monitoring or reporting obligations.

Key Takeaways

  • St. Louis does not publish a single mandatory inclusionary percentage in the municipal code; requirements are often negotiated or incentive-based.
  • Contact the City of St. Louis Planning Division early to understand expectations and available incentives.[1]

Help and Support / Resources


  1. [1] City of St. Louis Planning Division - Contact and Services
  2. [2] City of St. Louis Municipal Code
  3. [3] Board of Aldermen - Legislation and Ordinances