Skip to the page content
Your donations
Passes our checks

Muddy River Arts Inc

EIN 81-5350446 · Brookline, MA

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

LegitimacyPassesRegistration and standingFinancial healthFair54 out of 100GovernanceNot ratedThe short tax form does not cover thisImpact evidenceDescribes programsHow well its results are evidenced

What it says it does

ArtsBrookline promotes art and supports artists in the Brookline community by identifying places and opportunities for artistic expression in Brookline, leasing affordable art studio workspaces in Brookline, delivering arts-centered public education, cultivating equitable access to the arts and art marketplaces, and encouraging public dialogue and education about the historical and ongoing value of the arts as an essential part of a healthy, thriving community.

Income
$117,523
Spending
$117,785
Reserves
1.6 months of spending
Largest source of income
fees for its services, 82%

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

Fair: 54 out of 100. Higher than 22% of charities in its peer group (arts and culture, under $250k).

  • Reserves

    10 of 35

    Spendable reserves would cover 1.6 months of spending.

  • Debt

    20 of 20

    It owes 8% of what it owns.

  • Living within its means

    8 of 15

    Spending exceeded income by 0% 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. $90,097 spent. ArtsBrookline manages Station Street Studios, a studio space whose goal is to provide affordable artist workspaces with below market rental prices. in 2025, there were 14 artists with workspaces at Station Street Studios.
  2. Third Thursdays. Arts Brookline hosted 11 Third Thursday events in the 2025 calendar year, offering free art activities during each 3 hour event. Estimated number of visitors/participants - 25 unique vistors per event x 11 = 275 visitors for the year.
  3. $8,733 spent. ArtsBrookline organizes and manages a one day outdoor arts festival called Brookline Village Arts Festival on the first Saturday of May. In 2025, there were 60 artists and 950 visitors to this festival.
  4. $778 spent. In 2025, ArtsBrookline offered one day art workshops at an affordable price to participants. Seven workshops offered with 25 participants registered. ArtsBrookline will continue to offer workshops in 2026 and future years.

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? Worth knowing.

    Status was revoked on May 15, 2021 for not filing returns for three years, and reinstated on May 15, 2021.

    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 December 2022.

    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.