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

Nonprofit · EIN 68-0043310

MAPES HEIGHTS MUTUAL WATER COMPANY

Tax-exempt · CALISTOGA, CA 94515

Address and contacts

Address (IRS master file)
497 KORTUM CANYON RD, CALISTOGA, CA 94515-9703
In care of
% GAIL GOLDEN
Mailing address (990-N for 2025)
497 Kortum Canyon Road, Calistoga CA 94515
Principal officer (990-N for 2025)
Yvonne Rich, 471 Kortum Canyon Road, Calistoga CA 94515

California records

California keeps its own records of charities and corporations. Search them by EIN 68-0043310 or by the name MAPES HEIGHTS MUTUAL WATER COMPANY.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for MAPES HEIGHTS MUTUAL WATER COMPANY

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

IRS record

EIN
68-0043310
Tax-exempt status
501(c)(12): Benevolent life insurance association or mutual company
Donations deductible
No
Exempt since
1985
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Yvonne Rich
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Gail Golden
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Yvonne Rich
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Yvonne Rich
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Marvin Pestoni
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Marvin Pestoni
December 31, 2019≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Gail Golden
December 31, 2018≤ $50,000 receipts––e-Postcard

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 68-0043310).

Questions about MAPES HEIGHTS MUTUAL WATER COMPANY

What is the EIN of MAPES HEIGHTS MUTUAL WATER COMPANY?
The employer identification number (EIN) of MAPES HEIGHTS MUTUAL WATER COMPANY is 68-0043310.
Is MAPES HEIGHTS MUTUAL WATER COMPANY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(12) since 1985.
Are donations to MAPES HEIGHTS MUTUAL WATER COMPANY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does MAPES HEIGHTS MUTUAL WATER COMPANY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MAPES HEIGHTS MUTUAL WATER COMPANY 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 MAPES HEIGHTS MUTUAL WATER COMPANY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of MAPES HEIGHTS MUTUAL WATER COMPANY?
The 990-N for 2025 names Yvonne Rich.

Other nonprofits in CALISTOGA

All nonprofits in CALISTOGA · California