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Nonprofit · EIN 04-2104317

WINCHESTER MOUNT VERNON HOUSE

Tax-exempt · WINCHESTER, MA 01890

Financials

$2.9M$1.6M2023$1.4M$1.7M2024$3.9M$2M2025
Revenue Expenses · by fiscal year end
Financials of WINCHESTER MOUNT VERNON HOUSE by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$3,913,497$2,030,505$1,882,992$46,051,785$0$46,051,785
December 31, 2024990-PF$1,420,261$1,720,392-$300,131$43,348,355$0$43,348,355
December 31, 2023990-PF$2,889,371$1,636,284$1,253,087$42,372,414$0$42,372,414
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$119,272
Dividends
$665,335
Net gain from sales of assets
$2,829,870
Other income
$299,020

Expenses

Grants and similar amounts paid
$145,200
Compensation of officers, directors and key employees
$198,026
Salaries, compensation and benefits (total)
$610,480
Disbursements for charitable purposes
$1,532,454

Balance sheet and other

Total assets, start of year
$43,348,355
Total assets, end of year
$46,051,785
Total liabilities, end of year
$0
Net assets, end of year
$46,051,785
Fair market value of assets
$46,051,785
Qualifying distributions
$1,567,735
Net investment income
$3,495,205

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 / weekCompensationOther / benefits
JANE E WARD
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
EXECUTIVE DIRECTOR40$177,510$20,516
MARIA A LOPES
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
ADMINISTRATIVE ASSIS
Highest-paid employee
40$102,051$16,542
CISLYN A HIBBERT
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
CNA/PCSP
Highest-paid employee
35$65,508$3,815
DAVID N DALTON JR
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
MAINTENANCE
Highest-paid employee
24$63,407$2,536
SUSAN POWERS
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
PRESIDENT4$0$0
MICHAEL MANZO
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
TREASURER1$0$0
GEOFFREY A CURTIS
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
SECRETARY1$0$0
MICHAEL WALSH
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
ASSISTANT TREASURER1$0$0
EDWARD LAMSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE1$0$0
JOHN CARROLL
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE1$0$0
JAMES WILLING
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE (UNTIL 7/25)1$0$0
STEPHEN ANDERSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CLAIRE CONSTANTINE
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CHRISTINE A CREELMAN
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
DAVID STIRLING
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
11 more people on this return
NameTitleHours / weekCompensation
CONSTANCE DEMAKES
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
CAROLE PIERCE CONNOLLY
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
CRAIG GIBSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
NANCY GIBSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
ERIC HARSTAD
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
LOUIS BERTOCCI
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
DEE PEDULLA
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
JOHN SNOW
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
CAROLYN VERNAGLIA
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0
CARL BOERNER
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR (UNTIL 4/25)1$0
JUSTIN MAGEE
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR (UNTIL 4/25)1$0
990-PF for the year ended December 31, 2024: 25 people
NameTitleHours / weekCompensationOther / benefits
JANE E WARD
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
EXECUTIVE DIRECTOR40$165,000$19,089
MARIA A LOPES
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
ADMINISTRATIVE ASSIS
Highest-paid employee
40$87,940$15,698
DAVID N DALTON JR
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
MAINTENANCE
Highest-paid employee
24$65,535$2,621
CISLYN A HIBBERT
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
CNA/PCSP
Highest-paid employee
35$62,749$2,510
KATHLEEEN A JONES
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
SERVICE CARE COORDIN
Highest-paid employee
40$51,080$0
SUSAN POWERS
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
PRESIDENT4$0$0
MICHAEL MANZO
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
TREASURER1$0$0
GEOFFREY A CURTIS
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
SECRETARY1$0$0
EDWARD LAMSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE1$0$0
JAMES WILLING
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE1$0$0
MICHAEL WALSH
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
ASSISTANT TREASURER1$0$0
JOHN CARROLL
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE1$0$0
STEPHEN ANDERSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CARL BOERNER
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CLAIRE CONSTANTINE
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CHRISTINE A CREELMAN
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
JUSTIN MAGEE
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
DAVID STIRLING
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CONSTANCE DEMAKES
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CAROLE PIERCE CONNOLLY
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CRAIG GIBSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
NANCY GIBSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
ERIC HARSTAD
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
SUSAN KEATS
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR (UNTIL 7/2024)1$0$0
PAUL DONAHUE
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR (UNTIL 10/2024)1$0$0
990-PF for the year ended December 31, 2023: 26 people
NameTitleHours / weekCompensationOther / benefits
JANE E WARD
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
EXECUTIVE DIRECTOR40$150,107$18,197
MARIA A LOPES
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
ADMINISTRATIVE ASSIS
Highest-paid employee
40$75,180$13,057
DAVID N DALTON JR
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
MAINTENANCE
Highest-paid employee
24$61,733$2,469
KATHLEEEN A JONES
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
SERVICE CARE COORDIN
Highest-paid employee
35$61,232$0
CISLYN A HIBBERT
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
CNA/PCSP
Highest-paid employee
40$59,432$2,377
SUSAN POWERS
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
PRESIDENT4$0$0
MICHAEL MANZO
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
TREASURER1$0$0
MICHAEL WALSH
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
ASSISTANT TREASURER1$0$0
GEOFFREY A CURTIS
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
SECRETARY1$0$0
EDWARD LAMSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE1$0$0
JAMES WILLING
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE1$0$0
JOHN CARROLL
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR INVESTMENT TRUSTEE1$0$0
STEPHEN ANDERSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CARL BOERNER
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CLAIRE CONSTANTINE
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CHRISTINE A CREELMAN
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
SUSAN KEATS
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
JUSTIN MAGEE
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
DAVID STIRLING
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CONSTANCE DEMAKES
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CAROLE PIERCE CONNOLLY
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
PAUL DONAHUE
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
CRAIG GIBSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
NANCY GIBSON
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
DIRECTOR1$0$0
RAYMOND KENNEY JR
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
PRESIDENT (UNTIL 4/2023)4$0$0
PETER SEGERSTROM
110 MOUNT VERNON STREET, WINCHESTER, MA 01890
INVESTMENT TRUSTEE (UNTIL 4/2023)1$0$0

Address and contacts

Address (IRS master file)
110 MOUNT VERNON STREET, WINCHESTER, MA 01890-2864
Signed the 990-PF
MICHAEL MANZO, TREASURER
Phone
(781) 729-0497
Return prepared by
AAFCPAS INC

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
04-2104317
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private operating foundation (exempt from paying excise taxes)
Donations deductible (Pub 78)
Private operating foundation, 50% limit
Exempt since
1950
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$46,051,785
Income (IRS master file)
$4,844,142

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$3,913,497$2,030,505$46,051,785XML
990-PFDecember 2024$1,420,261$1,720,392$43,348,355XML
990-PFDecember 2023$2,889,371$1,636,284$42,372,414XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––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 04-2104317).

Questions about WINCHESTER MOUNT VERNON HOUSE

What is the EIN of WINCHESTER MOUNT VERNON HOUSE?
The employer identification number (EIN) of WINCHESTER MOUNT VERNON HOUSE is 04-2104317.
Is WINCHESTER MOUNT VERNON HOUSE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1950.
Are donations to WINCHESTER MOUNT VERNON HOUSE tax-deductible?
Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
Which annual return does WINCHESTER MOUNT VERNON HOUSE file?
Form 990-PF. Private foundations file every year.
When is the next return of WINCHESTER MOUNT VERNON HOUSE 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 WINCHESTER MOUNT VERNON HOUSE 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 WINCHESTER MOUNT VERNON HOUSE?
The 990-PF for the year ended December 31, 2025 lists 26 people; 4 received compensation from the organization, the highest $177,510 (JANE E WARD, EXECUTIVE DIRECTOR).
How much revenue does WINCHESTER MOUNT VERNON HOUSE have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $3,913,497, expenses of $2,030,505 and total assets of $46,051,785 at year end.

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