Hikers enjoying sunset sky at Monte Bello Preserve

Measure AA

Sunset hikers at Monte Bello Preserve (Karl Gohl)
Funded by Measure AA 2014 Open Space Bond

Measure AA is a $300 million general obligation bond approved in June 2014 by over two-thirds of District voters. Midpen issued its first portion of bonds, sized at $45 million, in August 2015. These funds were used to implement Measure AA projects first approved by the board of directors at a public meeting in October 2014, then updated in March 2018. 

Measure AA funded projects are highlighted with information through our newsletters, email, website, and social media and signage in our preserves. We encourage the public to stay involved in and aware of our project accomplishments by signing up for email notifications, attending our board meetings and providing comments. We look forward to this wonderful opportunity to expand our beautiful open spaces with habitat restoration and outdoor recreation opportunities.

Assets and Organizational Support
Organization Support
illustration of a bird in flight next to the letters MAA
Measure AA

Measure AA Bond Accountability Report

The Measure AA bond oversight committee convenes at least once a year and takes the time required to thoroughly review annual Measure AA expenditures and Midpen’s Annual Audit and Accountability Report. Each year, the committee’s findings are presented to the board at a public meeting and are posted on our website. Find out more about the committee.

The timeframe of this report spans from July 1, 2021 – June 30, 2022 and reflects Measure AA expenditures during this time period. The structure of this document is guided by the Measure AA Ballot language, specifically Priority Portfolio Actions by Region, which appears on page 7 of this report. See accountability reports from previous years

Measure AA bonds will be sold in a series over the next 20-30 years. Midpen's goal is to invest the bond proceeds to: 

  • protect natural open space lands
  • open preserves or areas of preserves that are currently closed
  • construct public access improvements such as new trails and staging areas
  • restore and enhance open space land, which includes forests, streams, watersheds and coastal ranch areas


Stay informed!

Sign up to receive project updates and notifications about Measure AA and other administrative programs and policies.

Voter-Approved Measure AA Ballot Language

To improve access to hiking and biking opportunities, protect and preserve redwood forests, natural open spaces, the scenic beauty of our region and coastline, critical wildlife habitat, restore creeks to protect water quality, and reduce forest fire risk; shall Midpeninsula Regional Open Space District be authorized to issue up to $300 million in bonds, at a tax rate not to exceed $3.18 per $100,000 of assessed value of property owned, with expenditures verified by an independent citizen oversight committee.

Measure AA Bond Oversight Committee

The Measure AA Bond Oversight Committee consists of seven at-large members who reside within the District, and is essential to implementing Measure AA. The Committee is appointed by the Midpeninsula Regional Open Space District’s Board of Directors pursuant to Measure AA to ensure accountability, transparency, and public oversight of all funds collected and allocated under Measure AA.