Coastal Maine Botanical Gardens Inc
To inspire connections among people and nature through horticulture, education, and research.
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Visit www.mainegardens.orgAbout Coastal Maine Botanical Gardens Inc
Enjoy beautiful gardens, giant trolls, and miles of trails at New England's largest botanical garden, located on the coast of Maine.
Verified certifications
Confirmed against the issuing authority - not self-reported.
Mission
To inspire connections among people and nature through horticulture, education, and research.
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 6 similar environment in United StatesRed flags
· All clearWhere every $1 goes
Common questions
· Auto-generated from filings + methodologyCoastal Maine Botanical Gardens Inc is a registered environment nonprofit based in Boothbay, ME, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1992 and has been operating for 34 years. Its EIN is 010476545. It has a GiveRadar Integrity Assessment of 89/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $29M in annual revenue. 117 officers and directors are publicly disclosed. No red flags have been detected.
Coastal Maine Botanical Gardens Inc has a GiveRadar Integrity Assessment of 89/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 89 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for environment charities in United States is 89/100.
Coastal Maine Botanical Gardens Inc is located in Boothbay, ME, United States. The organization was established in 1992 and has been active for 34 years.
Based on official tax filings, Coastal Maine Botanical Gardens Inc has $29M in annual revenue. It allocates 3% of expenses to programs and services. This is below the typical benchmark of 65-75% and may warrant further review. Its revenue is significantly above the peer average of $2M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Coastal Maine Botanical Gardens Inc is classified as a Environment organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). It has $29M in annual revenue. The organization has 117 disclosed officers and directors.
No red flags have been detected for Coastal Maine Botanical Gardens Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.
Coastal Maine Botanical Gardens Inc has a GiveRadar Integrity Assessment of 89/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 3% of expenses go to programs. Visit the Coastal Maine Botanical Gardens Inc profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.
Enjoy beautiful gardens, giant trolls, and miles of trails at New England's largest botanical garden, located on the coast of Maine. Coastal Maine Botanical Gardens Inc is classified as a environment organization registered in United States. The organization was founded in 1992.
Among environment charities registered in United States: Coastal Maine Botanical Gardens Inc's GiveRadar Integrity Assessment of 89/100 is in line with the peer average of 89/100. Its annual revenue of $29M is well above the peer average of $2M.
Yes, donations to Coastal Maine Botanical Gardens Inc are generally tax-deductible in the United States. Coastal Maine Botanical Gardens Inc is a 501(c)(3) tax-exempt organization. Its EIN is 010476545, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.
Verified against 4 official sources, last refreshed .
Filing history
6 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
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Tax-deductibility for donors
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
COASTAL MAINE BOTANICAL GARDENS INC is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Leadership
Officers & trustees (25)
Source: Public filings
Latest news
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Activity timeline
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Other environment in United States, by integrity assessment
Sources and verification
Refreshed
- Registration and legal identity
- Internal Revenue Service (IRS) - Tax Exempt Organization Search
- Financial filings
- IRS Form 990 filings - Fiscal year 2025 most recent on file.
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search - 117 disclosed in the public registry.
- Supplementary verification
- Charity Navigator
Data freshness
What we don't know
Honest gaps - our score reflects transparency, not impact
Methodology
GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.
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Quick facts about Coastal Maine Botanical Gardens Inc
- What is Coastal Maine Botanical Gardens Inc?
- Coastal Maine Botanical Gardens Inc is a environment publicly-supported charity (509(a)(2)) based in Boothbay, United States. Enjoy beautiful gardens, giant trolls, and miles of trails at New England's largest botanical garden, located on the coast of Maine.
- When was Coastal Maine Botanical Gardens Inc founded?
- Coastal Maine Botanical Gardens Inc was founded in 1992.
- Who leads Coastal Maine Botanical Gardens Inc?
- Gretchen Ostherr serves as President & CEO.
- Where is Coastal Maine Botanical Gardens Inc located?
- Headquartered in Boothbay, United States.
- What is Coastal Maine Botanical Gardens Inc's annual budget?
- Annual revenue for fiscal year 2025 is approximately $10M-$100M. 3% of expenses go to program services.
- Is Coastal Maine Botanical Gardens Inc trustworthy?
- Coastal Maine Botanical Gardens Inc has a GiveRadar Integrity Assessment of 89 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Coastal Maine Botanical Gardens Inc's registration number?
- IRS EIN: 010476545.
- What is Coastal Maine Botanical Gardens Inc's website?
- https://www.mainegardens.org/