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Sonoma Mountain Preservation Group Inc

EIN 68-0428234 · Glen Ellen, CA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthGood79 out of 100GovernanceNot ratedThe short tax form does not cover thisImpact evidenceDescribes programsHow well its results are evidenced

What it says it does

ADVOCACY AND EDUCATION FOR CONSERVATION, ENVIRONMENTAL PRESERVATION, AND COMMUNITY ENGAGEMENT.

Income
$43,537
Spending
$52,057
Reserves
31.7 months of spending
Largest source of income
donations and private grants, 84%
Highest pay
$700, president

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

Good: 79 out of 100. Higher than 49% of charities in its peer group (environment, under $250k).

  • Reserves

    35 of 35

    Spendable reserves would cover 31.7 months of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    0 of 15

    Spending exceeded income by 20% of income.

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 (4)
  1. $14,650 spent. ADVOCACY ON SONOMA DEVELOPMENT CENTER BOTH WITH REGARDS TO WILDLIFE HABITAT PRESERVATION, WATERSHED PROTECTION, AND GENERAL ENVIRONMENTAL PROTECTION FROM AIR, WATER AND LAND POLLUTION; FUNDING OF RESEARCH REGARDING FIRE SAFETY AND A LAWSUIT TO REQUIRE AN ADEQUATE ENVIRONMENTAL IMPACT REPORT FOR A DEVELOPMENT PROJECT; ATTENDING AND SPEAKING AT PUBLIC MEETINGS AND WRITING ARTICLES AND LETTERS TO THE EDITOR FOR LOCAL PAPERS.
  2. $15,350 spent. EDUCATION OF THE PUBLIC ON SONOMA MOUNTAIN PRESERVATION THROUGH PUBLICATION OF A BOOK ON SONOMA MOUNTAIN'S VALUE TO THE COMMUNITY, A SCHOOL SCIENCE PROGRAM, MULTIPLE HIKES, PUTTING ON AND MAKING PRESENTATIONS AT FAIRS, AND ARTICLES AND LETTERS TO THE EDITOR WRITTEN FOR LOCAL PAPERS.
  3. $14,650 spent. COORDINATING AND COLLABORATING WITH OTHER ENVIRONMENTAL ORGANIZATIONS IN THE AREA TO INCREASE EFFECTIVENESS OF ALL, DECREASE OVERLAP AND UNNCESSARY DUPLICATION OR WORKING AT CROSS PURPOSES, AND SUPPORTING THEIR EFFORTS WHERE THEY INCREASE THE LIKELIHOOD OF US ACHIEVING OUR GOALS.
  4. $7,407 spent. ALL OTHER PROGRAMS

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

  1. 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.

  2. 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.

  3. 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.

  4. 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.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since July 2000.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. 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.