Sunnyslope Historical Society
Public records show a registered, tax-exempt organization in good standing.
What it says it does
To preserve the past of the Sunnyslope community for its future through researching, collecting, preserving, and sharing the history of this community. Promote community safety and identity and to promote community involvement. To educate the community about the rich history of the people and land surrounding it.
- Income
- $38,342
- Spending
- $41,109
- Reserves
- 13.8 months of spending
- Largest source of income
- donations and private grants, 71%
Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Financial health
We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.
Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Governance
This organization files the short tax form, which does not ask about boards, policies or audits. That is normal for a small charity and is not a mark against it.
Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Impact evidence
Describes programs. Its tax return describes what it does but we have found no measurable results in it.
Programs described in its return (3)
- $220 spent. The mission of the Sunnyslope Historical Society is to promote, encourage and foster research on the history of Sunnyslope and to collect, preserve, disseminate materials, and information related to the history of Sunnyslope. It is also to raise funds for any of the foregoing objectives and accept donations, gifts, legacies and bequests. The organization was open to the public to tour the museum exhibits and to educate the public and promote Sunnyslope and Phoenix area history. We received 691 visitors to our campus and hosted 46 events at our museum
- $1,547 spent. Community outreach. The organization participated or held 46 community events, including blood drives, Phoenix G.A.I.N. events, community clean-ups and promoting local events held by Block Watches and other community organizations. We distributed handouts and flyers for community events and to promote safety and community involvement.
- $53 spent. Archiving and preserving artifacts pertaining to the history of Sunnyslope. The organization has 2 buildings that we maintain and give tours of them. We maintain an archive of numerous photographs, textiles and items of historical significance to the Sunnyslope and Phoenix community. These materials are used for exhibits and to help the public with inquiries about their history in the community.
Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Legitimacy checks
Is it registered with the IRS? Passed.
Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Has the IRS revoked its tax-exempt status? Passed.
Not on the IRS automatic revocation list.
Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.
Are donations tax-deductible? Passed.
On the IRS list of organizations eligible to receive tax-deductible contributions.
Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.
Is it keeping up with its IRS filings? Passed.
Most recent return on file covers the year ending December 2025.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since January 1990.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it in good standing with state regulators? Passed.
Not on California's list of charities barred from soliciting. Other states are not yet checked.
Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.
Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.