
Join Us in Shaping Our Future!​​
Since 1941, RDMIA members have been passionately committed to improving our community. We don't just talk about change; we initiate it, negotiating and advocating for enhancements that benefit everyone.
We empower homeowners and renters through education, helping you make informed decisions that impact your quality of life. Engage with your community!
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Please participate in our biannual meetings to discuss critical local matters, and enjoy our informative quarterly newsletters packed with valuable insights and updates. ​​
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Our biannual meetings include presentations covering local issues and ongoing projects that impact the Rio Del Mar community. We are fortunate to host guest speakers such as the County Supervisor, local government, and other business officials reporting on current initiatives in our area.
We welcome your suggestions for future speakers and agenda items. Please get in touch with us at info@rdmia.org.​​
​​​Become a Member Today
Ready to make a positive change in the Rio del Mar community? Signing up for membership is easy!
Get Involved – Make a Difference
Join us a few times a year as we come together for beautification projects that leave a lasting impact on our neighborhood. Whether you want to lend a hand or connect with fellow residents, we welcome you with open arms.
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Membership dues fund various projects from inception to completion and those that require sustainment. The association relies on member support – please join today.
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Annual membership is $30 per year and includes communications and event notifications
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All Rio del Mar residents, property, and business owners are eligible to join
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RDMIA is a 501(c)(4) non-profit organization
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You’ll receive notifications about upcoming projects and essential community updates as a member. Together, let’s enhance the beauty and spirit of our neighborhood.
The Rio del Mar Improvement Association annual membership per household is $30 by check or $32 by PayPal (includes $2 PayPal fee). A $500 lifetime membership is also offered.
​​​Click 'Join & Pay Online'. Complete the online membership form and submit it. Once your registration is confirmed, you'll see a 'Donate' button to securely pay the $32 annual membership fee via PayPal (includes a $2 processing fee).
​​​Click 'Print Form + Mail Payment' to download the registration form PDF. Complete the form and mail with your check for $30 to: RDMIA, P.O. Box 274,
Aptos, CA 95001–0274
3 Simple Ways to Become a Member
Community, conservation, and cooperation are important aspects of the Rio del Mar Improvement Association.
Membership benefits include:
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Informative newsletters throughout the year
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Bi-annual meetings covering essential community issues
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Email alerts about local government developments that impact Rio del Mar
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Your engagement in neighborhood improvements that make Rio del Mar a unique and highly sought-after place to live​

Membership Benefits
Terms and Conditions
Welcome to the Rio Del Mar Improvement Association, Inc. you can explore our By-Laws, which outline our mission, membership rights, and operational guidelines.
Established in 1941, our association is dedicated to enhancing the quality of life in Rio Del Mar, Aptos, CA. For detailed information on how the organization is operated and governed, please refer to the full RDMIA By-Laws document.
Website Terms and Conditions
By accessing and using our site, you agree to comply with the following terms and conditions:
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Use of Site:
You agree to use the site for lawful purposes only. You are prohibited from using the site to engage in any activity that is illegal or violates the rights of others.
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Intellectual Property:
Unless otherwise stated, all content on this site, including text, images, and graphics, is owned by the Rio Del Mar Improvement Association. Unauthorized use or reproduction is prohibited.
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User Contributions:
Any content you submit to the site, such as comments or feedback, becomes the property of RDMIA. We reserve the right to use, modify, or remove any submissions.
External Links:
Our site may contain links to third-party websites. RDMIA is not responsible for the content of these external sites or their privacy practices.
Disclaimer:
The information on this site is provided "as is" without warranties of any kind. RDMIA does not guarantee the accuracy or completeness of the content.
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Limitation of Liability:
RDMIA will not be liable for any damages arising from the use or inability to use the site, including any errors or omissions in the content.
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Modifications:
We reserve the right to modify these terms at any time. Continued use of the site constitutes acceptance of any changes.
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Governing Law:
The laws of the State of California govern these terms. Any disputes will be resolved in the appropriate California courts.
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For any questions or concerns regarding these terms, please contact us directly.​
User Agreement and Your Privacy
​User Agreement:
By accessing and using the RDMIA.org website, you agree to our terms and conditions. You are responsible for ensuring that your use of our website complies with all applicable laws, including federal and civil laws in the United States and California.
You agree not to use RDMIA.org for any unlawful or prohibited activities. We reserve the right to modify these terms at any time, and your continued use of the site constitutes acceptance of any changes.​
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Privacy Policy
At RDMIA, we prioritize your privacy and are committed to safeguarding your personal information. We collect personal data only when you voluntarily provide it through forms on our website, such as when you sign up to become a member, for electronic and print distribution of newsletters, or when sending a request using our contact forms. Your payment information used securely through PayPal* is never stored or accessible to anyone. We do not share your information
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Secure Payments through PayPal
PayPal Transaction Security:
All transactions are processed securely through PayPal, protecting your payment information with advanced encryption.
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PayPal Payment Privacy Protections:
PayPal does not share your financial information with us, maintaining your privacy and security.
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Buyer Protection:
PayPal offers buyer protection for eligible transactions, providing peace of mind for your contributions. For more information about PayPal's policy and protection, use the following link: PayPal Buyer Protection. This page provides details on PayPal's security measures and buyer protection policies.
Non-Profit Status:
As a non-profit, we use PayPal to manage donations and membership fees efficiently, ensuring funds are securely directed towards your membership and our mission.​
Copyright and Permissions
All content on the RDMIA website, including text, images, and graphics, is the property of the Rio Del Mar Improvement Association unless otherwise noted. Unauthorized use or reproduction of this content is prohibited. For permissions or inquiries regarding the use of our materials, please contact us directly.