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Nonprofit · EIN 20-1842693

LANNON STONE FOUNDATION INC

Tax-exempt · SUSSEX, WI 53089

Financials

$1.2M$2.5M2023$301K$852K2024$275K$345K2025
Revenue Expenses · by fiscal year end
Financials of LANNON STONE FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$275,150$344,629-$69,479$4,252,104$0$4,252,104
December 31, 2024990-PF$300,530$851,605-$551,075$4,321,583$0$4,321,583
December 31, 2023990-PF$1,154,174$2,494,401-$1,340,227$4,872,658$0$4,872,658
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$110,500
Dividends
$132,312
Interest
$28,343
Net gain from sales of assets
$3,995

Expenses

Grants and similar amounts paid
$304,568
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$328,016
Excise tax on investment income
$2,061

Balance sheet and other

Total assets, start of year
$4,321,583
Total assets, end of year
$4,252,104
Total liabilities, end of year
$0
Net assets, end of year
$4,252,104
Fair market value of assets
$4,273,206
Qualifying distributions
$1,078,016
Net investment income
$164,650

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
JAMES DAWSON
W232 N9200 WOODED RIDGE TRAIL, SUSSEX, WI 53089
DIRECTOR0$0
HEIDI DAWSON
3044 BARK LAKE ROAD, HUBERTUS, WI 53033
DIRECTOR0$0
HANS DAWSON
1501 SLEEPY HOLLOW DR, RICHFIELD, WI 53076
DIRECTOR0$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
JAMES DAWSON
W232 N9200 WOODED RIDGE TRAIL, SUSSEX, WI 53089
DIRECTOR0$0
HEIDI DAWSON
3044 BARK LAKE ROAD, HUBERTUS, WI 53033
DIRECTOR0$0
HANS DAWSON
1501 SLEEPY HOLLOW DR, RICHFIELD, WI 53076
DIRECTOR0$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
JAMES DAWSON
W232 N9200 WOODED RIDGE TRAIL, SUSSEX, WI 53089
DIRECTOR0$0
HEIDI DAWSON
3044 BARK LAKE ROAD, HUBERTUS, WI 53033
DIRECTOR0$0
HANS DAWSON
1501 SLEEPY HOLLOW DR, RICHFIELD, WI 53076
DIRECTOR0$0

Address and contacts

Address (IRS master file)
N52W23096 LISBON RD, SUSSEX, WI 53089-4428
Signed the 990-PF
HEIDI DAWSON, DIRECTOR
Phone
(262) 251-1520
Return prepared by
DJA CPAS SC

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
20-1842693
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
2004
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$4,252,104
Income (IRS master file)
$2,268,128

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$275,150$344,629$4,252,104IRS
990-PFDecember 2024$300,530$851,605$4,321,583XML
990-PFDecember 2023$1,154,174$2,494,401$4,872,658XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––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 20-1842693).

Questions about LANNON STONE FOUNDATION INC

What is the EIN of LANNON STONE FOUNDATION INC?
The employer identification number (EIN) of LANNON STONE FOUNDATION INC is 20-1842693.
Is LANNON STONE FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2004.
Are donations to LANNON STONE FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does LANNON STONE FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of LANNON STONE FOUNDATION INC 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 LANNON STONE FOUNDATION INC 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 LANNON STONE FOUNDATION INC?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does LANNON STONE FOUNDATION INC have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $275,150, expenses of $344,629 and total assets of $4,252,104 at year end.

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