Nonprofit · EIN 95-4190309
ALTADENA HERITAGE
Tax-exempt · ALTADENA, CA 91001
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $236,321 | $24,793 | $211,528 | $243,870 | $202,912 | $40,958 |
| December 31, 2024 | 990 | $36,634 | $46,130 | -$9,496 | $252,635 | $221,512 | $31,123 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $234,737
- of which government grants
- $206,512
- Membership dues
- $19,375
- Program service revenue
- $1,500
- Investment income
- $0
- Net income from sales of inventory
- $84
- Other revenue
- $84
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Program services (functional)
- $17,556
- Management and general (functional)
- $7,237
Balance sheet and other
- Total assets, start of year
- $242,454
- Total assets, end of year
- $243,870
- Total liabilities, end of year
- $202,912
- Net assets, end of year
- $40,958
- Gross receipts
- $236,321
- Employees
- 0
- Year formed
- 1989
- State of legal domicile
- CA
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 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Gary Mendes | Treasurer Officer | 20 | $0 |
| Val Zaval | Recording Secretary Officer | 10 | $0 |
| Hans Allhoff | Chair Officer | 20 | $0 |
| Claire Smith | Social Media Officer | 10 | $0 |
| Huan Gu | Catering Officer | 10 | $0 |
| Kathleen McDonnell | Communications Officer | 10 | $0 |
| Darrell Weber | Membership Officer | 20 | $0 |
| Becky Nicolaides | Historian Officer | 10 | $0 |
| Ken Haber | Photo and Video Officer | 10 | $0 |
990 for the year ended December 31, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Hans Allhof | Chairperson Officer | 10 | $0 |
| Gary Mendes | Treasurer Officer | 10 | $0 |
| Val Zavala | Recording Secrectary Officer | 10 | $0 |
| Darrell Weber | Membership Director Officer | 10 | $0 |
| Bill Stuart | Events Director Officer | 10 | $0 |
| Huan Gu | Social Media Director Officer | 10 | $0 |
| Ken Haber | Director of Photography Officer | 10 | $0 |
| Kathleen McDonnell | Grants Director Officer | 10 | $0 |
| Claire Smith | Locations Director Officer | 10 | $0 |
Address and contacts
- Address (IRS master file)
- 730 E ALTADENA DR, ALTADENA, CA 91001-2351
- In care of
- % VAL ZAVALA
- Mailing address (990-N for 2022)
- 730 E ALTADENA DR, ALTADENA CA 910012351
- Principal officer (990 for 2025)
- Gary Mendes, 151 S Olive St, Apt 3507, Los Angeles, CA 90012
- Principal officer (990-N for 2022)
- Val Zavala, 730 East Altadena Drive, Altadena CA 91001
- Signed the 990
- Gary P Mendes, Treasurer
- Phone
- (626) 487-6066
- Website
- www.altadenaheritage.org
Mission
We advocate to preserve the many historic cultural resources of our foothill community and promote thoughtful rebuilding of our business districts and gathering places. Working with the Owen Brown Grave-site Committee through contract with Los Angeles County to create signage, maps, programs, educational materials, a film, and teacher training. Developing programs for community engagement through tours, art contests, lectures, marking important community anniversaries with special events programs, mapping historical context and creating and distributing brochures, newsletters, books, and maps.
Program accomplishments
- We maintain "Old Marengo Park" as a community beautification project, paying for utilities and weekly maintenance.Expenses $3,491
- We gathered the community at the holiday season to celebrate the 90th anniversary of the Altadena Historical Society. It celebrated other community achievements during the year and was attended by dignitaries.Expenses $12,204
- We gathered our patron and higher level members to hear their suggestions for our work in the coming year.Expenses $299
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 95-4190309
- 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
- 1989
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A82Z)
- Assets (IRS master file)
- $243,870
- Income (IRS master file)
- $236,321
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | – | – | – | IRS |
| 990 | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $288,185 | $49,846 | $262,672 | IRS |
| 990-N for 2022 Officer: Val Zavala | December 31, 2022 | ≤ $50,000 receipts | – | – | e-Postcard |
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 ALTADENA HERITAGE
- What is the EIN of ALTADENA HERITAGE?
- The employer identification number (EIN) of ALTADENA HERITAGE is 95-4190309.
- Is ALTADENA HERITAGE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to ALTADENA HERITAGE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ALTADENA HERITAGE 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 ALTADENA HERITAGE 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 ALTADENA HERITAGE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of ALTADENA HERITAGE?
- The 990 for the year ended December 31, 2025 names Gary Mendes.
- Who are the officers and directors of ALTADENA HERITAGE?
- The 990 for the year ended December 31, 2025 lists 9 people; 0 received compensation from the organization.
- How much revenue does ALTADENA HERITAGE have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $236,321, expenses of $24,793 and total assets of $243,870 at year end.
Other nonprofits in ALTADENA
- ALTADENA HISTORICAL SOCIETY EIN 23-7372694 · last filed 990 for 2025
- LITALO AMERICAN FOUNDATION EIN 56-2323163 · last filed 990 for 2025
- ALTADENA MUSIC THEATRE INC EIN 87-3007032 · last filed 990 for 2025
- FOUNDWORK ORGANIZATION INC EIN 88-1145360 · last filed 990-EZ for 2025
- TESSERAE INC EIN 90-0881243 · last filed 990-EZ for 2025
- FINE ARTS CLUB OF PASADENA EIN 95-6228937 · last filed 990 for 2025
- NOR OR CHARITABLE FOUNDATION INC EIN 87-0801780 · last filed 990 for 2025
- ART AIDS ART EIN 91-2199364 · last filed 990 for 2024
All nonprofits in ALTADENA · California · Arts, culture and humanities