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Coastal Maine Botanical Gardens Inc

EIN 01-0476545 · Boothbay, ME

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

LegitimacyPassesRegistration and standingFinancial healthFair58 out of 100GovernanceStrong100 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

The mission of Coastal Maine Botanical Gardens, Inc. is to inspire meaningful connections among people and nature and promote plant conservation through horticulture, education, and plant science.

Income
$28.6 million
Spending
$12.7 million
Spent on programs
52%
Reserves
-2.7 months of spending
Largest source of income
donations and private grants, 69%
Employees
170
Volunteers
208
Highest pay
$327,311, president & ceo

Source: Form 990 for the year ending March 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Fair: 58 out of 100. Higher than 20% of charities in its peer group (environment, $10m to $100m).

  • Reserves

    0 of 35

    Spendable reserves are negative: it owes or has committed more than it holds.

  • Debt

    20 of 20

    It owes 15% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 56% of income.

  • Income trend

    15 of 15

    Income rose 123% on the year before.

  • Spending floor

    8 of 15

    52% of spending went to programs and raising each dollar of donations cost 8 cents.

Source: Form 990 for the year ending March 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 100 out of 100. Higher than 35% of charities in its peer group (environment, $10m to $100m).

  • Independent board

    25 of 25

    17 of 17 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Pay set independently

    5 of 5

    Sets its chief executive's pay through independent review and comparison.

  • Independent check of accounts

    15 of 15

    Its accounts were audited by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending March 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 (1)
  1. $6.6 million spent. Incorporated as a non-profit in 1992, Coastal Maine Botanical Gardens (CMBG) opened in 2007 as Maine's first major botanical garden. At 325 acres, seventeen of which include themed and ornamental gardens, woodland trails, with nearly a mile of tidal shorefront, it is the largest public garden in Northern New England. The Gardens feature the Lyn and Daniel Lerner Visitor Center, a curated garden shop, and a cafe and grab-and-go market. CMBG offers educational programs encompassing plant science, gardening, botanical arts, and environmental education in our LEED-platinum, net-zero Bosarge Family Educational Center. Each of the Gardens' buildings also house administrative offices. CMBG remains an economic engine for the State of Maine, attracting 331,442 visitors to the Boothbay region during this tax year.

Source: Form 990 for the year ending March 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 September 7, 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 September 30, 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 September 10, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending March 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

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

    Recognized by the IRS since March 1993.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 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 7, 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.