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US nonprofit · EIN 770479110 · Avila Beach, CAiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 770479110) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe time served.Latest return IRS Form 990 series e-file data - 990 for the year to 31 December 2025: assets, liabilities, staff, website, telephone, pay.Finances by year IRS Form 990 e-file data - total revenue and total expenses by tax year.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue. Not a statement that the organisation is recruiting.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Central Coast Aquarium

Donations deductible
Revenue
$556k
year to 31 December 2025
Expenses
$509k
year to 31 December 2025
Total assets
$823k
$5k liabilities
Net assets
$818k
assets less liabilities
Directors and trustees
6
5.8 years on average
Staff
4
7 volunteers
Chair observed
≥7 yrs
Tim Williams
Left since last filing
2
33% of the board
How am I connected?

Central Coast Aquarium's network

6 people1 organisationi6 people and 1 organisation on this map.The large node is the subject of this page. Solid lines are what the register itself records (6). Violet dotted lines (1) are likely: the same full name sits on the current board of another organisation in the same register and region. Form 990 filings give names without a person identifier; SEC insider filings carry a CIK. It may be a different person.

The board

6 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations in the tables. The network map shows same-name matches as likely links only, never as confirmed.Time served and departures are observed across annual filings. Observed time served is a lower bound - a member may have joined before the first year on record. The organisation reported 6 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
TIM Williams ChairChairman2018
8 yrs
Christy KasarjianTreasurer2025
1 yr
John LindseyDirector2018
8 yrs
Kate GillespieExecutive Dir.2025
1 yr
Leslie TerryCompany secretary2020
6 yrs
Tara KasarjianDirector2018
8 yrs
Under 5 years5 to 6 years6 years or more

Officers and senior leadership

1 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
Christine JohnsonPrevious E.D.since 2018

Pay and hours

year to 31 December 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Christy KasarjianTreasurer40$86k
Tim WilliamsChairman40$0
Leslie TerrySecretary40$0
Tara KasarjianDirector40$0
John LindseyDirector40$0
Kate GillespieExecutive Dir.40$0

About

Legal name
Central Coast Aquarium
EIN
770479110
Address
50 San Juan St, Avila Beach, CA, 93424-3606
State
California
Mission
The central coast aquarium serves as a marine science education center and community resource that strives to educate and engage vistors on marine life and aquatic enviornments. The organization is committed to providing educational exhibits and programs that are beneficial and educational to the vistors and residents of san luis obispo county. (as filed on the Form 990)
Activity (NTEE)
B90 Education
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Education
Size band
5 (IRS master file code)
Formed
1998
IRS ruling date
1 July 1998
Status
Code 01 (unconditional exemption)
Form 990 filings on record
8, latest 2025
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥8years on the filingsTIM Williams
≥8years on the filingsJohn Lindsey
≥8years on the filingsTara Kasarjian
≥6years on the filingsLeslie Terry

Latest return

year to 31 December 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2025. US dollars, as filed.
Total assets
$823k
Total liabilities
$5k
Net assets or fund balances
$818k
Contributions and grants received
$68k
Program service revenue
$440k
Employees
4
Volunteers
7

Filed finances

1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2024$480k$443k$38k

As filed on the IRS Form 990. US dollars.