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BOSTON LIBRARY SOCIETY

EIN 04-1105450 BOSTON, MA

Browse the largest nonprofits in Massachusetts

Revenue 2024
$51,945
Expenses 2024
$54,759

Program services were 100.0% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

As filed

Subsection
03
Classification
2000
Street
10 BEACON ST # 12

These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).

Other organizations at this address

1 other organization in the IRS Business Master File lists the same street address. matched by us

This address is a suite or unit (# 12). Organizations that share one are often clients of the same office-services firm, accountant or registered agent rather than related to each other.

We match the street line and ZIP code as the IRS gives them, ignoring case and outer spaces and nothing else, so "AVE" and "AVENUE" count as different streets and this list can miss some. A shared address can mean related organizations or a shared office, but it can also be a registered agent, a mail drop or a service provider holding mail for unrelated clients. It is not, by itself, evidence that two organizations are connected.

Mission and programs · 2024

Mission

SEE SCHEDULE O.THE BOSTON LIBRARY SOCIETY ALLOCATES FUNDS TO THE BOSTON ATHENAEUM, A TAX-EXEMPT ORGANIZATION. THE BOSTON ATHENAEUM IS AN INDEPENDENT LIBRARY COMMITTED TO MAINTAINING AND AUGMENTING ITS SIGNIFICANT COLLECTIONS OF HISTORY, LITERATURE AND ART; TO SERVING A BROAD COMMUNITY OF SCHOLARS AS A CENTER FOR RESEARCH; TO SERVING ITS MEMBERSHIP AND THE PUBLIC NOT ONLY THROUGH ITS CIRCULATING AND REFERENCE COLLECTIONS BUT ALSO THROUGH LECTURES, EXHIBITIONS AND PUBLICATIONS; AND TO PRESERVING AND ENHANCING ITS NATIONAL HISTORIC LANDMARK BUILDING.

Activities or mission (Part I)

THE BOSTON LIBRARY SOCIETY ALLOCATES FUNDS TO THE BOSTON ATHENAEUM, A TAX-EXEMPT ORGANIZATION.

  • THE BOSTON LIBRARY SOCIETY ALLOCATES FUNDS TO THE BOSTON ATHENAEUM, A TAX-EXEMPT ORGANIZATION. THE BOSTON ATHENAEUM IS AN INDEPENDENT LIBRARY COMMITTED TO MAINTAINING AND AUGMENTING ITS SIGNIFICANT COLLECTIONS OF HISTORY, LITERATURE AND ART; TO SERVING A BROAD COMMUNITY OF SCHOLARS AS A CENTER FOR RESEARCH; TO SERVING ITS MEMBERSHIP AND THE PUBLIC NOT ONLY THROUGH ITS CIRCULATING AND REFERENCE COLLECTIONS BUT ALSO THROUGH LECTURES, EXHIBITIONS AND PUBLICATIONS; AND TO PRESERVING AND ENHANCING ITS NATIONAL HISTORIC LANDMARK BUILDING.

    Expenses $54,759 · Grants $54,759

As filed on the 2024 return. The filer continues this part on Schedule O, which is not shown here.

Officers and directors · 2024

As listed in Part VII of the 2024 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.

  • Arthur B Page

    SECRETARY

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • F Javier Cevallos

    TREASURER

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Earl M Collier Jr

    TRUSTEE

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Roger Haynes

    TRUSTEE

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Austin V Shapard

    TRUSTEE

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Creelea Henderson Pangaro

    TRUSTEE

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Amy Ryan

    TRUSTEE

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Melissa Fetter

    TRUSTEE

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Susan Weatherbie

    TRUSTEE

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Timothy W Diggins

    TRUSTEE

    Total calculated
    $0
    Hours/week
    2 + 2 related
  • Leah Rosovsky

    DIRECTOR

    Total calculated
    $393,408
    From this org
    $0
    From related orgs
    $362,733
    Other
    $30,675
    Hours/week
    2 + 35 related

    Schedule J breakdown matched by us

    Base
    $0 + $362,733 related
    Bonus
    $0
    Other
    $0
    Deferred
    $0 + $29,160 related
    Nontaxable benefits
    $0 + $1,515 related
    Filer's total
    $0 + $393,408 related
  • Christopher J Boudrot

    DIRECTOR OF FINANCE

    Total calculated
    $220,277
    From this org
    $0
    From related orgs
    $180,811
    Other
    $39,466
    Hours/week
    2 + 35 related

    Schedule J breakdown matched by us

    Base
    $0 + $180,811 related
    Bonus
    $0
    Other
    $0
    Deferred
    $0 + $15,045 related
    Nontaxable benefits
    $0 + $24,421 related
    Filer's total
    $0 + $220,277 related

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. A Schedule J breakdown is as filed: base pay, bonus, other, deferred compensation and nontaxable benefits from this organization, with any from related organizations beside each, and the filer's own total. It is shown with the Part VII listing of the same name on the same return. The form gives no key between the two, so that pairing is ours, and is marked matched by us. Earlier years are each on their own filing page.

Filings

  • 2024
    Revenue
    $51,945
    Expenses
    $54,759
    Contributions
    $0
    Grants paid
    $54,759
  • 2023
    Revenue
    $38,495
    Expenses
    $54,759
    Contributions
    $0
    Grants paid
    $54,759
  • 2022
    Revenue
    $29,627
    Expenses
    $54,759
    Contributions
    $0
    Grants paid
    $54,759

The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.

Other returns filed

  • 2023 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2022 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2021 · 990

    Revenue
    $33,339
    Expenses
    $51,172
    Assets (EOY)
    $897,842
  • 2021 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2020 · 990

    Revenue
    $27,023
    Expenses
    $49,958
    Assets (EOY)
    $1,165,604
  • 2020 · 990-T

    Revenue
    not reported
    Expenses
    not reported
    Assets (EOY)
    not reported
  • 2019 · 990

    Revenue
    $21,619
    Expenses
    $48,725
    Assets (EOY)
    $1,005,187
  • 2018 · 990

    Revenue
    $27,695
    Expenses
    $46,995
    Assets (EOY)
    $966,279
  • 2017 · 990

    Revenue
    $20,796
    Expenses
    $45,645
    Assets (EOY)
    $980,759
  • 2016 · 990

    Revenue
    $571,860
    Expenses
    $45,423
    Assets (EOY)
    $979,887

Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all. Showing the 10 most recent; the API carries the rest.

Grants made

Where these grants went next →

Grants received

No itemized grant names this organization as a recipient. Only grants over $5,000 are itemized, and only by filers of the full Form 990.

Related organizations

From Schedule R Part II, where a filer lists the tax-exempt organizations it is related to by control. It does not record shared board members or money.

Declared on its 2024 return

Declared as related by

Other IRS files

Auto-Revocation List

Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.

Publication 78

Listed as of 13 October 2026, under deductibility PC.

These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.

What this page reflects

The registration facts above come from the IRS Business Master File published 13 October 2026 and read 1 November 2026, for every organization at once. Returns through tax year 2024, the newest we have parsed for this organization.