Nonprofit · EIN 68-0321106
POWERHOUSE SCIENCE CENTER
Tax-exempt · SACRAMENTO, CA 95811
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $5,962,762 | $6,482,133 | -$519,371 | $60,067,953 | $46,499,304 | $13,568,649 |
| June 30, 2024 | 990 | $7,718,795 | $6,800,291 | $918,504 | $62,986,503 | $46,907,791 | $16,078,712 |
| June 30, 2023 | 990 | $7,754,308 | $6,570,963 | $1,183,345 | $64,561,140 | $47,443,092 | $17,118,048 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $3,013,321
- of which government grants
- $2,536,651
- Program service revenue
- $2,664,617
- Investment income
- $29,191
- Net rental income
- $24,000
- Net income from fundraising events
- $89,148
- Net income from sales of inventory
- $142,485
- Other revenue
- $255,633
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $290,425
- Other salaries and wages
- $2,106,053
- Salaries, compensation and benefits (total)
- $2,771,911
- Professional fundraising fees
- $0
- Accounting fees
- $49,650
- Occupancy
- $441,114
- Travel
- $13,470
- Depreciation
- $1,573,676
- Program services (functional)
- $5,065,263
- Management and general (functional)
- $1,066,803
- Fundraising (functional)
- $350,067
Balance sheet and other
- Total assets, start of year
- $62,986,503
- Total assets, end of year
- $60,067,953
- Total liabilities, end of year
- $46,499,304
- Net assets, end of year
- $13,568,649
- Land, buildings and equipment
- $5,056,769
- Net assets without donor restrictions
- -$33,281,156
- Net assets with donor restrictions
- $46,849,805
- Gross receipts
- $6,304,056
- Employees
- 95
- Volunteers
- 73
- Year formed
- 1993
- State of legal domicile
- CA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ANDREA DURHAM THRU 11725 | INTERIM EXECUTIVE DIRECTOR Trustee or director, Officer | 40 | $187,000 | $3,425 |
| DANIELA CALVITTI | DIRECTOR OF FINANCE Officer | 40 | $100,000 | $0 |
| JITA PANDYA BUNO | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| STEVE HANSEN | VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| ANNE STAINES | SECRETARY Trustee or director, Officer | 5 | $0 | $0 |
| JEFF GRUBBS | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| MICHELE WONG | DIRECTOR Trustee or director | 5 | $0 | $0 |
| FARRES EVERLY | DIRECTOR Trustee or director | 5 | $0 | $0 |
| BINDA MANGAT | DIRECTOR Trustee or director | 5 | $0 | $0 |
| DUSTY MILLER | DIRECTOR Trustee or director | 5 | $0 | $0 |
| MELISSA FOSTER | DIRECTOR Trustee or director | 5 | $0 | $0 |
| MICHAEL GALANE | DIRECTOR Trustee or director | 5 | $0 | $0 |
| DR JUDY KJELSTROM | DIRECTOR Trustee or director | 5 | $0 | $0 |
| CELESTE CHIN | DIRECTOR Trustee or director | 5 | $0 | $0 |
| HARRY LASWELL | DIRECTOR Trustee or director | 5 | $0 | $0 |
6 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SAM SMALLS | DIRECTOR Trustee or director | 5 | $0 |
| MEG BIRMINGHAM | DIRECTOR Trustee or director | 5 | $0 |
| MABEL SALON | DIRECTOR Trustee or director | 5 | $0 |
| THOMAS WOODS | DIRECTOR Trustee or director | 5 | $0 |
| SIMEON GANT | DIRECTOR Trustee or director | 5 | $0 |
| MAJORIE SOLOMON | DIRECTOR Trustee or director | 5 | $0 |
990 for the year ended June 30, 2024: 20 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ANDREA DUNHAM | EXECUTIVE DIRECTOR Trustee or director, Officer | 40 | $147,888 | $11,637 |
| DANIELA CALVITTI | FINANCE DIRECTOR Officer | 40 | $96,923 | $673 |
| MICHELE WONG | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| MICHAEL CHASE | VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| ANNE STAINES | SECRETARY Trustee or director, Officer | 5 | $0 | $0 |
| JEFF GRUBBS | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| RAYMOND BURNELL | DIRECTOR Trustee or director | 5 | $0 | $0 |
| MICHAEL CHASE | DIRECTOR Trustee or director | 5 | $0 | $0 |
| CELESTE CHIN | DIRECTOR Trustee or director | 5 | $0 | $0 |
| FARRES EVERLY | DIRECTOR Trustee or director | 5 | $0 | $0 |
| MELISSA FOSTER | DIRECTOR Trustee or director | 5 | $0 | $0 |
| MICHAEL GALANE | DIRECTOR Trustee or director | 5 | $0 | $0 |
| DR JUDY KJELSTROM | DIRECTOR Trustee or director | 5 | $0 | $0 |
| ANDY KRAMER | DIRECTOR Trustee or director | 5 | $0 | $0 |
| HARRY LASWELL | DIRECTOR Trustee or director | 5 | $0 | $0 |
| BINDA MANGAT | DIRECTOR Trustee or director | 5 | $0 | $0 |
| DUSTY MILLER | DIRECTOR Trustee or director | 5 | $0 | $0 |
| HON PHIL SERNA | DIRECTOR Trustee or director | 5 | $0 | $0 |
| HON DARRELL STEINBERG | DIRECTOR Trustee or director | 5 | $0 | $0 |
| JOHAN OTTO | DIRECTOR Trustee or director | 5 | $0 | $0 |
990 for the year ended June 30, 2023: 19 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BONNIE PATTERSON | DIRECTOR OF FINANCE & OPERATIONS Officer | 40 | $84,040 | $8,392 |
| MICHELE WONG | EXECUTIVE DIRECTOR Trustee or director, Officer | 40 | $36,000 | $0 |
| MICHAEL GALANE | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| BRADLEY SIMMONS | VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| ANNE STAINES | SECRETARY Trustee or director, Officer | 5 | $0 | $0 |
| JEFF GRUBBS | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| RAYMOND BURNELL | DIRECTOR Trustee or director | 5 | $0 | $0 |
| MICHAEL CHASE | DIRECTOR Trustee or director | 5 | $0 | $0 |
| CELESTE CHIN | DIRECTOR Trustee or director | 5 | $0 | $0 |
| FARRES EVERLY | DIRECTOR Trustee or director | 5 | $0 | $0 |
| MELISSA FOSTER | DIRECTOR Trustee or director | 5 | $0 | $0 |
| DR JUDY KJELSTROM | DIRECTOR Trustee or director | 5 | $0 | $0 |
| ANDY KRAMER | DIRECTOR Trustee or director | 5 | $0 | $0 |
| HARRY LASWELL | DIRECTOR Trustee or director | 5 | $0 | $0 |
| BINDA MANGAT | DIRECTOR Trustee or director | 5 | $0 | $0 |
| DUSTY MILLER | DIRECTOR Trustee or director | 5 | $0 | $0 |
| HON PHIL SERNA | DIRECTOR Trustee or director | 5 | $0 | $0 |
| HON DARRELL STEINBERG | DIRECTOR Trustee or director | 5 | $0 | $0 |
| JOHAN OTTO | DIRECTOR Trustee or director | 5 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 400 JIBBOOM ST, SACRAMENTO, CA 95811-0114
- Principal officer (990 for 2024)
- DANIELA CALVITTI, 400 JIBBOOM STREET, SACRAMENTO, CA 95811
- Signed the 990
- DANIELA CALVITTI, INTERIM EXECUTIVE DIRECTOR
- Phone
- (916) 674-5000
- Website
- WWW.VISITMOSAC.ORG
- Return prepared by
- GILBERT CPAS
California records
California keeps its own records of charities and corporations. Search them by EIN 68-0321106 or by the name POWERHOUSE SCIENCE CENTER.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
THE POWERHOUSE SCIENCE CENTER IS A DYNAMIC, REGIONAL HUB THAT ENGAGES AND INSPIRES PEOPLE OF ALL AGES TO EXPLORE THE WONDERS, POSSIBILITIES, AND RESPONSIBILITIES OF SCIENCE.
Program accomplishments
- OPERATION OF THE SCIENCE CENTER REQUIRES SKILLED AND DYNAMIC STAFF, WITH RELATED EXPENSES, AS WELL AS OPERATING THE BUILDING THAT HOUSES THE MUSEUM. THESE STAFF BRING THE EXCITEMENT OF STEM (SCIENCE, TECHNOLOGY, ENGINEERING AND MATHEMATICS) TO ALL WHO VISIT, AND ALSO CONDUCT ALL OF THE FUNCTIONS REQUIRED TO OPERATE THE MUSEUM. THE MUSEUM AUDIENCE INCLUDES PAID VISITORS, SCHOOL GROUPS, SUMMER CAMPS, AND ALL ATTENDEES TO SPECIAL PROGRAMMING. OUR PROGRAMS INCLUDE FIELD TRIP PROGRAMS FOR SCHOOL GROUPS, LIVE PLANETARIUM SHOWS DELIVERED BY STAFF, SCIENCE DEMONSTRATIONS, BIRTHDAY PARTIES, MEMBER EVENTS, ADULT FOCUSED PROGRAMS, AND MORE. STAFFING ALSO INCLUDES ALL OF THE ESSENTIAL SUPPORT FUNCTIONS FOR OPERATING EVERY ASPECT OF THE MUSEUM. STAFF CREATE AND REPAIR THE HANDS-ON EXHIBITS AND DEVELOP NEW PROGRAMMING THAT MEETS EDUCATIONAL STANDARDS, AND MEET OUR HIGH STANDARDS FOR LIFELONG LEARNING FOR VISITORS OF ALL AGES. THE SCIENCE CENTER SERVES VISITORS WHO COME FROM THE ENTIRE STATE OF CALIFORNIA, AS WELL AS TOURISTS FROM THROUGHOUT NORTH AMERICA AND BEYOND.Expenses $5,065,263 · revenue $2,688,617
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 68-0321106
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1995
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A500)
- Assets (IRS master file)
- $60,067,953
- Income (IRS master file)
- $6,304,056
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $5,962,762 | $6,482,133 | $60,067,953 | IRS |
| 990 | June 2024 | $7,718,795 | $6,800,291 | $62,986,503 | IRS |
| 990 | June 2023 | $7,754,308 | $6,570,963 | $64,561,140 | IRS |
| 990 | June 2022 | $7,088,630 | $4,648,970 | $66,254,950 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 68-0321106).
Questions about POWERHOUSE SCIENCE CENTER
- What is the EIN of POWERHOUSE SCIENCE CENTER?
- The employer identification number (EIN) of POWERHOUSE SCIENCE CENTER is 68-0321106.
- Is POWERHOUSE SCIENCE CENTER tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
- Are donations to POWERHOUSE SCIENCE CENTER tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does POWERHOUSE SCIENCE CENTER file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of POWERHOUSE SCIENCE CENTER due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did POWERHOUSE SCIENCE CENTER last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of POWERHOUSE SCIENCE CENTER?
- The 990 for the year ended June 30, 2025 names DANIELA CALVITTI.
- Who are the officers and directors of POWERHOUSE SCIENCE CENTER?
- The 990 for the year ended June 30, 2025 lists 21 people; 2 received compensation from the organization, the highest $187,000 (ANDREA DURHAM THRU 11725, INTERIM EXECUTIVE DIRECTOR).
- How much revenue does POWERHOUSE SCIENCE CENTER have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $5,962,762, expenses of $6,482,133 and total assets of $60,067,953 at year end.
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