Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 31-1630033

WINDHOVER FOUNDATION

Tax-exempt · PORTSMOUTH, NH 03801

Financials

$55K$164K2023$680K$162K2024$82K$188K2025
Revenue Expenses · by fiscal year end
Financials of WINDHOVER FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$82,277$188,083-$105,806$1,478,126$0$1,478,126
December 31, 2024990-PF$680,087$162,294$517,793$1,583,932$0$1,583,932
December 31, 2023990-PF$54,666$164,424-$109,758$1,486,959$0$1,486,957
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Dividends
$45,989
Net gain from sales of assets
$36,288

Expenses

Grants and similar amounts paid
$175,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$175,000
Excise tax on investment income
$1,032

Balance sheet and other

Total assets, start of year
$1,583,932
Total assets, end of year
$1,478,126
Total liabilities, end of year
$0
Net assets, end of year
$1,478,126
Fair market value of assets
$2,464,451
Qualifying distributions
$175,000
Net investment income
$82,277

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

NameTitleHours / weekCompensation
MAY K HOUGHTON
100 Market Street Suite 302, Portsmouth, NH 03801
PRESIDENT0.25$0
NINA B HOUGHTON
100 Market Street Suite 302, Portsmouth, NH 03801
VICE PRESIDENT, SECRETARY0.25$0
JAMES D HOUGHTON
100 Market Street Suite 302, Portsmouth, NH 03801
TREASURER0.25$0
CONNIE B COBURN
100 Market Street Suite 302, Portsmouth, NH 03801
DIRECTOR0.25$0
990-PF for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
MAY K HOUGHTON
100 Market Street Suite 302, Portsmouth, NH 03801
PRESIDENT0.25$0
NINA B HOUGHTON
100 Market Street Suite 302, Portsmouth, NH 03801
VICE PRESIDENT, SECRETARY0.25$0
JAMES D HOUGHTON
100 Market Street Suite 302, Portsmouth, NH 03801
TREASURER0.25$0
CONNIE B COBURN
100 Market Street Suite 302, Portsmouth, NH 03801
DIRECTOR0.25$0
990-PF for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
MAY K HOUGHTON
80 E MARKET ST STE 300, CORNING, NY 14830
PRESIDENT0.25$0
NINA B HOUGHTON
80 E MARKET ST STE 300, CORNING, NY 14830
VICE PRESIDENT, SECRETARY0.25$0
JAMES D HOUGHTON
80 E MARKET ST STE 300, CORNING, NY 14830
TREASURER0.25$0
CONNIE B COBURN
80 E MARKET ST STE 300, CORNING, NY 14830
DIRECTOR0.25$0

Address and contacts

Address (IRS master file)
100 MARKET ST UNIT 302, PORTSMOUTH, NH 03801-3760
In care of
% MARKET STREET SERVICES LLC
Signed the 990-PF
May HOUGHTON, President
Return prepared by
Sayles & Evans

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
31-1630033
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
1999
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1,478,126
Income (IRS master file)
$105,356

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$82,277$188,083$1,478,126XML
990-PFDecember 2024$680,087$162,294$1,583,932IRS
990-PFDecember 2023$54,666$164,424$1,486,959XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2019–––IRS
990-PFDecember 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 31-1630033).

Questions about WINDHOVER FOUNDATION

What is the EIN of WINDHOVER FOUNDATION?
The employer identification number (EIN) of WINDHOVER FOUNDATION is 31-1630033.
Is WINDHOVER FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
Are donations to WINDHOVER FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does WINDHOVER FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of WINDHOVER FOUNDATION 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 WINDHOVER FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of WINDHOVER FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does WINDHOVER FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $82,277, expenses of $188,083 and total assets of $1,478,126 at year end.

Other nonprofits in PORTSMOUTH

All nonprofits in PORTSMOUTH · New Hampshire · Philanthropy, voluntarism and grantmaking foundations