Welcome to MOSAC!

Are you ready to get curious? Join today to be among the first to experience our new exhibits, programs, star shows, and featured films in our state-of-the-art science center opening 2021. Early members will have access to exclusive member sneak peek events before MOSAC opens to the public.

All memberships include a year of fun and curiosity and support MOSAC’s goal to make science exciting and accessible to all in our community!


Curiosity Memberships


1 Named Adult

Free Admission and Unlimited Standard Digital Domed Theater Shows

Invitations to Exclusive Member Events

Discounts on Program Registrations

Discounts on Special Events and Special Digital Domed Theater Shows

10% Discount in Gift Store

Member Newsletter

Membership to the Association of Science and Technology Centers’ (ASTC) Travel Passport Program

Individual +

2 Named Adults

Includes all
Individual Level benefits


2 Named Adults
and up to 4 children


Includes all
Individual Level benefits


Early Registration on Summer Camps

Family +

2 Named Adults
and up to 4 children


Includes all
Family Level benefits


Discount on Birthday Party Programs

4 Single Use Guest Passes

Membership to the North American Reciprocal Museum (NARM) Association’s Program

Innovator Levels


2 Named Adults
and up to 4 children


Includes all
Family+ Level benefits


8 single use Guest Passes

Annual Donor Recognition


2 Named Adults
and up to 4 children


Includes all 
Discover Level benefits


12 single use Guest Passes

Invitation to Annual VIP Member Event


Coming Soon
For more
information call


Frequently Asked Questions

Absolutely! Call 916.674.5000 from 10:00 am – 4:00 pm M-F for assistance.

Yes, we offer a 10% membership discount for seniors 65+, educators, college students, and military personnel on all Curiosity Level Memberships. All 10% discounts must be applied at the time of purchase. To receive your 10% discount on your MOSAC membership, please purchase your membership over the phone at 916.674.5000.

Your year of curiosity and discovery begins the day MOSAC officially opens to the public, which will be announced soon. Early members will have access to exclusive pre-opening events.

Memberships are valid for 12 months after MOSAC’s opening day or 12 months after the date of purchase, if purchased after opening day.

As an early MOSAC member, you will be invited to exclusive member events and sneak previews before we officially open to the public. Your early membership will ensure that you will be among the first to experience our new exhibits and programs. Members will also receive discounts on summer camps and special programs that will occur before MOSAC officially opens.

All Powerhouse Science Center memberships that were extended due to COVID will be valid at MOSAC for the number of months you were unable to use your membership at Powerhouse Science Center during our COVID closure. For Example, if your membership was set to expire in May, you were unable to use your benefits for three months due to our COVID closure. Therefore, your membership will be extended for three months at the new MOSAC beginning when we open to the public. If you have questions about your membership extension, please email membership@visitmosac.org or call 916.674.5000.

Absolutely! All current Powerhouse Science Center Members will have access to exclusive preview events before the new MOSAC opens.

Membership is vital to the sustainability of MOSAC. We strive to provide the highest level of experience, benefits, and savings to our guests. In order to maintain a high level of service, all membership sales are nonrefundable and nontransferable.

If you would like to upgrade your membership, you can call 916.674.5000 or visit the admissions desk when MOSAC opens. The cost for an upgrade will be the difference in cost from your current level to the higher level. Benefits for the upgraded level will be available immediately, however your current expiration date will remain the same.

You can give the gift of curiosity and endless fun with a membership to MOSAC by selecting the gift membership option at check out or by calling 916.674.5000.

To log-in to your online account, click the Sign In button on our donation page HERE. For existing members logging-in for the first time or if you have forgotten your password, please enter your email address associated with your account and click “Forgot Password?”.

You will receive a welcome email that will include instructions on how to access your digital membership cards a few months before MOSAC opens. Physical membership cards are available upon request by emailing membership@visitmosac.org or calling 916.674.5000.

Physical membership cards are available by request. To request a card, email membership@visitmosac.org or call 916.674.5000, and we will mail your membership card with your welcome packet a few months before MOSAC Opens.

Absolutely! You can sign up for automatic renewals when you purchase or renew your membership online by selecting the auto renew button or by phone at 916.674.5000.

By Email:  membership@visitmosac.org
By Phone:  916.674.5000
By Mail:  SMUD MOSAC, 3615 Auburn Blvd., Sacramento, CA 95821

All MOSAC memberships are revocable licenses and can be revoked at any time at the sole discretion of MOSAC without refund in the event of any noncompliance with or violation of any museum rule or other term or condition of membership, or for any inappropriate conduct.

Memberships are nontransferable and cannot be shared between persons and/or households except as specifically provided for per such membership category.

Memberships are for personal use only.

All membership sales are final and non-refundable.

By becoming a member you agree to adhere to all membership terms and conditions and all museum rules and regulations to ensure a safe and enjoyable experience for all MOSAC staff and guests.


MOSAC’s corporate partners and philanthropic donors share our mission to inspire curiosity and shape our future through STEAM. Their support enables us to provide equal access to rich and innovative experiences for our community.

Learn More