Growth with Affordability
What is MHA?
Mandatory Housing Affordability (MHA) is a new program to ensure that growth brings affordability. MHA will require new development to build affordable homes or contribute to a City fund for affordable housing. To put MHA into effect, we need to make zoning changes that add development capacity and expand housing choices.
- Learn more in our MHA summary.
- Comment on the draft MHA zoning maps at HALA.Consider.it.
- Explore our MHA web map to see the draft zoning changes to implement MHA.
- See how we estimate affordable housing production under MHA.
- Map of MHA areas.
MHA Implementation Citywide
Congrats Seattle! The City Council has passed the MHA Residential and Commercial Frameworks!
What is Mandatory Housing Affordability (MHA)?
MHA is a new program that would require developers to contribute to affordable housing. Read our summary to learn more.
What's happening right now? (updated 11/30/16)
Draft zoning maps
In October 2016, we released draft maps for your input on the possible zoning changes needed to implement Mandatory Housing Affordability (MHA) in specific neighborhoods.
Environmental Impact Statement
As we consider zoning changes to implement MHA and increase housing choices, we will prepare an Environmental Impact Statement (EIS) to analyze three alternatives and identify their impacts. The EIS scoping period closed in September. Many community members provided scoping comments. In the Scoping Summary, comments are summarized with information on how they will be considered in the EIS analysis.
- EIS Scoping Summary
- Attachment 1: Determination of Significance and Scoping Notice
- Attachment 2: Scoping Informational Handout
The next steps are to define the alternatives and prepare the impact analysis. We expect to release a Draft Environmental Impact Statement (DEIS) for public comment in March 2017.
DRAFT MHA Urban Design and Neighborhood Character Study
This report provides urban design analysis of the potential zoning changes to implement MHA. We review a range of representative development prototypes in various multifamily and commercial zones. The prototypes consider the design and scale of new development with the draft MHA capacity increases. We summarize and discuss draft zoning standards. To provide comments on this report, please email Vinita.Goyal@Seattle.gov.
MHA Economic Feasibility Analysis
We have prepared an economic feasibility analysis inform decisions about zoning changes to implement MHA. The analysis reviews a range of representative development prototypes in various multifamily and commercial zones. The prototypes consider the feasibility of new development with the proposed MHA affordable housing requirements and the proposed development capacity increases.
MHA Implementation in Downtown and South Lake Union
Proposal Transmitted to the City Council (November 2016)
SEPA Draft Proposal (May 2016)
- SEPA Checklist
- SEPA Determination
- Map attachment to Ordinance
- Urban design study
- Transportation study
Original Draft Proposal (November 2015)
- Response to Public Feedback on Mandatory Housing Affordability (MHA) Implementation in Downtown and South Lake Union
- The first section of this document shows the changes we propose in response to public comment. The second section summarizes the thoughts we heard from all of you on this specific set of issues. Please bear in mind, this is only one part of the Housing Affordability and Livability Agenda (HALA). We will continue to ask for your feedback as we work through the strategies outlined on the What's Happening page.
- South Lake Union presentation
- Summary of MHA Requirements and Capacity Increase by Zone: Downtown & South Lake Union (SLU)
- Belltown presentation
- Pioneer Square presentation
- Chinatown-International District presentation