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Nantucket Sustainable Development Corporation

EIN 04-3427501 · Nantucket, MA

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

LegitimacyPassesRegistration and standingFinancial healthStrong100 out of 100GovernanceGood81 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

TO CULTIVATE A SUSTAINABLE NANTUCKET ISLAND COMMUNITY BY SUPPORTING LOCAL AGRICULTURE, FOOD PRODUCERS AND MAKERS.

Income
$639,006
Spending
$550,198
Spent on programs
73%
Reserves
15.4 months of spending
Largest source of income
donations and private grants, 52%
Employees
8
Volunteers
75

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

Financial health

Strong: 100 out of 100. Higher than 94% of charities in its peer group (housing, $250k to $1m).

  • Reserves

    35 of 35

    Spendable reserves would cover 15.4 months of spending.

  • Debt

    20 of 20

    It owes 1% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 14% of income.

  • Income trend

    15 of 15

    Income rose 1% on the year before.

  • Spending floor

    15 of 15

    73% of spending went to programs and raising each dollar of donations cost 15 cents.

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

Governance

Good: 81 out of 100. Higher than 51% of charities in its peer group (housing, $250k to $1m).

  • Independent board

    25 of 25

    14 of 14 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no 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.

  • Independent check of accounts

    12 of 15

    Its accounts were reviewed or compiled by an independent accountant, but not audited.

  • No reported misuse

    10 of 10

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

Source: Form 990 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 (5)
  1. $293,179 spent. MENTOR FARMER PROGRAM - IS DESIGNED TO INCREASE OVERALL SUSTAINABLE AGRICULTURAL PRODUCTION AND DISTRIBUTION ON THE ISLAND. SN IS EXPANDING THE PRODUCTION AND ISLAND WIDE ACCESS TO LOCALLY GROWN FOOD BY PROVIDING LAND AND INFRASTRUCTURE TO OUR CURRENT FARMERS.
  2. $54,850 spent. FARM TO SCHOOL - TEACHES LIFETIME LESSONS TO ISLAND CHILDREN IN NUTRITION AND ENVIRONMENTAL STEWARDSHIP THROUGH THE HANDS-ON PROCESS OF GROWING, HARVESTING, COOKING AND EATING FOOD IN THE GARDEN, GREENHOUSE, FARM FIELDS, CLASSROOM AND CAFETERIA.
  3. $42,512 spent. FARMERS AND ARTISANS MARKET - TO SUPPORT AND STRENGTHEN THE INDUSTRY OF AGRICULTURE; TO SUPPORT THE LOCAL ECONOMY AND ENCOURAGE ENTREPRENEURS, TO HELP KEEP DOWNTOWN VITAL AND TO ENHANCE OUR EXPERIENCE OF COMMUNITY. RAISE AWARENESS OF AND DEMAND FOR LOCALLY GROWN FOOD. PROVIDE ISLAND FARMERS AND ARTISANS WITH A VENUE TO CONNECT TO COMMUNITY.
  4. $8,729 spent. OUR NANTUCKETGROWN BRAND PROMOTES AND SUPPORTS THE CONSUMPTION OF LOCALLY GROWN FOOD, MAKING IT EASY FOR CONSUMERS TO IDENTIFY FOOD THAT HAS BEEN GROWN, PROCESSED, AND DISTRIBUTED ON THE ISLAND. NANTUCKETGROWN RAISES AWARENESS ABOUT THE BENEFITS OF SOURCING FOOD LOCALLY WHILE STRENGTHENING OUR ISLAND'S FOOD SYSTEM. BY CHOOSING NANTUCKETGROWN, RESIDENTS AND VISITORS ALIKE SUPPORT LOCAL FARMERS, SUSTAIN OUR COMMUNITY'S AGRICULTURAL HERITAGE, AND ENJOY THE FRESHEST INGREDIENTS NANTUCKET HAS TO OFFER.
  5. OUR NANTUCKETGROWN BRAND PROMOTES AND SUPPORTS THE CONSUMPTION OF LOCALLY GROWN FOOD, MAKING IT EASY FOR CONSUMERS TO IDENTIFY FOOD THAT HAS BEEN GROWN, PROCESSED, AND DISTRIBUTED ON THE ISLAND. NANTUCKETGROWN RAISES AWARENESS ABOUT THE BENEFITS OF SOURCING FOOD LOCALLY WHILE STRENGTHENING OUR ISLAND'S FOOD SYSTEM. BY CHOOSING NANTUCKETGROWN, RESIDENTS AND VISITORS ALIKE SUPPORT LOCAL FARMERS, SUSTAIN OUR COMMUNITY'S AGRICULTURAL HERITAGE, AND ENJOY THE FRESHEST INGREDIENTS NANTUCKET HAS TO OFFER.

Source: Form 990 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 May 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.