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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 11-2461833

SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION

Tax-exempt · WADING RIVER, NY 11792

Financials

$77K$90K2025
Revenue Expenses · by fiscal year end
Financials of SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$77,023$90,198-$13,175$116,094$48,350$67,744
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$10,000
Program service revenue
$66,524
Other revenue
$499

Expenses

Compensation of officers, directors and key employees
$20,855
Salaries, compensation and benefits (total)
$41,147
Professional fees and payments to contractors
$8,100
Other expenses
$40,951
Program services (functional)
$83,598

Balance sheet and other

Total assets, start of year
$80,919
Total assets, end of year
$116,094
Total liabilities, end of year
$48,350
Net assets, end of year
$67,744
Cash, savings and investments
$69,178
Gross receipts
$77,023

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
DIANE FISHPROGRAM MANA0$8,905
DEANNA NELSONSECRETARY0$6,450
RANDI VOGTTREASURER0$3,000
DOUGLAS DERENZOPRESIDENT/DI0$2,500
DAVID THOMPSONVICE PRESIDE0$0

Address and contacts

Address (IRS master file)
PO BOX 532, WADING RIVER, NY 11792-0532
Signed the 990-EZ
DOUGLAS DERENZO, PRESIDENT/DIRECTOR
Phone
(631) 220-0918
Return prepared by
KANDELL FARNWORTH & PUBINS CPA'S PC

Mission

TO PROVIDE EDUCATION, PRESERVATION AND PUBLICATIONS RELATED TO ARCHAEOLOGICAL ARTIFACTS AND SITES

990-EZ for the year ended December 31, 2025

Program accomplishments

  • MUSEUM EDUCATION PROGRAMS FOR STUDENTS
    Expenses $60,748
  • PRODUCTION OF RESEARCH VOLUMES AND CURRICULUM MATERIALS
    Expenses $647
  • PROVIDE TRANSPORTATION TO SUPPORT PRIMARY PURPOSE ACCOMPLISHMENTS
    Expenses $22,203

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 December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-EZ for SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
11-2461833
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
1978
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$116,094
Income (IRS master file)
$77,023

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025–––IRS
990-EZDecember 2024–––IRS
990-EZDecember 2023$49,008$43,771$19,113IRS
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION

What is the EIN of SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION?
The employer identification number (EIN) of SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION is 11-2461833.
Is SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1978.
Are donations to SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION 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 SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION?
The 990-EZ for the year ended December 31, 2025 lists 5 people; 4 received compensation from the organization, the highest $8,905 (DIANE FISH, PROGRAM MANA).
How much revenue does SUFFOLK COUNTY ARCHAEOLOGICAL ASSOCIATION have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $77,023, expenses of $90,198 and total assets of $116,094 at year end.

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