Nonprofit · EIN 06-0685118
THE MARK TWAIN MEMORIAL
Tax-exempt · HARTFORD, CT 06105
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $4,010,233 | $3,593,180 | $417,053 | $14,050,881 | $2,200,219 | $11,850,662 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $2,122,984
- of which government grants
- $112,574
- Membership dues
- $61,857
- Program service revenue
- $1,323,749
- Investment income
- $276,726
- Net gain from sales of assets
- $170,776
- Net income from fundraising events
- -$32,684
- Net income from sales of inventory
- $319,458
- Other revenue
- $286,774
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $199,278
- Other salaries and wages
- $1,365,048
- Salaries, compensation and benefits (total)
- $1,838,811
- Professional fundraising fees
- $0
- Accounting fees
- $30,450
- Occupancy
- $205,527
- Depreciation
- $693,272
- Program services (functional)
- $2,839,520
- Management and general (functional)
- $355,642
- Fundraising (functional)
- $398,018
Balance sheet and other
- Total assets, start of year
- $13,965,687
- Total assets, end of year
- $14,050,881
- Total liabilities, end of year
- $2,200,219
- Net assets, end of year
- $11,850,662
- Land, buildings and equipment
- $9,236,063
- Publicly traded securities
- $3,206,334
- Net assets without donor restrictions
- $8,548,598
- Net assets with donor restrictions
- $3,302,064
- Gross receipts
- $8,545,732
- Employees
- 75
- Volunteers
- 225
- Year formed
- 1929
- State of legal domicile
- CT
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JEFFREY L NICHOLS | EXECUTIVE DI Trustee or director, Officer | 40 | $109,278 |
| JOHN L SENNOTT | INT. ED END Trustee or director, Officer | 40 | $90,000 |
| KAMAL AGRAWAL | TRUSTEE Trustee or director | 0.5 | $0 |
| PETER ANDERSON | TRUSTEE Trustee or director | 0.5 | $0 |
| MICHAEL ARON MD | TRUSTEE Trustee or director | 0.5 | $0 |
| DAVID BALDACCI | TRUSTEE Trustee or director | 0.5 | $0 |
| Y'LANDA BURCH | TRUSTEE Trustee or director | 0.5 | $0 |
| JOHN BYRNES | TRUSTEE Trustee or director | 0.5 | $0 |
| RAND R COOPER | TRUSTEE Trustee or director | 0.5 | $0 |
| ROBERT ENGLEHART | TRUSTEE Trustee or director | 0.5 | $0 |
| ELLIS A FENWICK | TRUSTEE Trustee or director | 0.5 | $0 |
| AMY GALLENT | TRUSTEE Trustee or director | 0.5 | $0 |
| DR CHRISTINA GREER | TRUSTEE Trustee or director | 0.5 | $0 |
| DR LAWRENCE HOWE | TRUSTEE Trustee or director | 0.5 | $0 |
| JAVON JACKSON | TRUSTEE Trustee or director | 0.5 | $0 |
12 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DR JULINE MILLS | TRUSTEE Trustee or director | 0.5 | $0 |
| HON DANIEL MORRIS | TRUSTEE Trustee or director | 0.5 | $0 |
| LAURA PEDERSEN | TRUSTEE Trustee or director | 0.5 | $0 |
| ABBY SANNIZZARO-JACKSON | TRUSTEE Trustee or director | 0.5 | $0 |
| JOSE SANTOS | TRUSTEE Trustee or director | 0.5 | $0 |
| MERCHE DEL VALLE | TRUSTEE Trustee or director | 0.5 | $0 |
| HENRY DENTON | SEC, CO-CHAI Trustee or director, Officer | 1 | $0 |
| TREVON CANADA | TREASURER Trustee or director, Officer | 1 | $0 |
| DAVID JIMENEZ | CO-CHAIR DEV Trustee or director, Officer | 1 | $0 |
| JULIE ZYLA | CHAIR - COLL Trustee or director, Officer | 1 | $0 |
| EDWARD WHITTEMORE | VICE PRESIDE Trustee or director, Officer | 1 | $0 |
| TIMOTHY MATSON | CHAIRMAN Trustee or director, Officer | 5 | $0 |
Address and contacts
- Address (IRS master file)
- 351 FARMINGTON AVE, HARTFORD, CT 06105-6400
- Principal officer (990 for 2025)
- JEFFREY L NICHOLS, 351 FARMINGTON AVENUE, HARTFORD, CT 06105
- Signed the 990
- JEFFREY L NICHOLS, EXECUTIVE DIRECTOR
- Phone
- (860) 247-0998
- Return prepared by
- MAHONEY SABOL & COMPANY LLP
Mission
FROM THIS HOUSE. MARK TWAIN CHANGED THE WAY THE WORLD SEES AMERICA AND THE WAY AMERICANS SEE THEMSELVES. WE CONTINUE THE CONVERSATION HE BEGAN WITH A WINDOW INTO THE TIMELESS RELEVANCE OF HIS WORDS, WORK, AND WORLD.
Program accomplishments
- EDUCATION PROGRAMS: THE MEMORIAL PROVIDES A NUMBER OF EDUCATIONAL PROGRAMS FOR STUDENTS, TEACHERS AND THE GENERAL PUBLIC. THESE INCLUDE INTERPRETIVE TOURS OF THE HISTORIC MARK TWAIN HOUSE, INFORMATIONAL PRESENTATIONS, WRITING WORKSHOPS, LECTURES, CULTURAL PERFORMANCES, FAMILY PROGRAMS, SPECIAL TOURS AND AGE-APPROPRIATE LEARNING ACTIVITIES FOR STUDENTS, AND WORKSHOPS FOR TEACHERS. MANY OF THESE PROGRAMS EXAMINE THE LIFE, WORK AND/OR ERA OF MARK TWAIN, OR EXPLORE THEMES ADDRESSED IN HIS WORK.Expenses $1,254,611 · revenue $1,141,932
- MUSEUM: THE MEMORIAL'S CAMPUS INCLUDES A MUSEUM CENTER THAT FEATURES EXHIBITION GALLERIES, AN AUDITORIUM, CLASSROOMS AND A FILM THEATER. VISITORS TO THE MUSEUM CENTER CAN EXPERIENCE A PERMANENT EXHIBITION ABOUT MARK TWAIN'S LIFE AND ERA, VIEW SPECIAL EXHIBITIONS OF HISTORIC AND ARTISTIC ARTIFACTS FROM THE COLLECTIONS OF THE MEMORIAL AND OTHER INSTITUTIONS, WATCH A BIOGRAPHICAL FILM ABOUT MARK TWAIN, AND PARTICIPATE IN VARIOUS EDUCATIONAL AND CULTURAL PROGRAMS.Expenses $1,584,909 · revenue $501,275
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 06-0685118
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1938
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A540)
- Assets (IRS master file)
- $14,050,881
- Income (IRS master file)
- $8,545,732
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | – | – | – | IRS |
| 990 | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $2,944,648 | $3,551,637 | $14,543,751 | IRS |
| 990 | December 2022 | $2,766,310 | $3,001,120 | $15,179,533 | IRS |
| 990 | January 2022 | – | – | – | IRS |
| 990 | January 2021 | – | – | – | IRS |
| 990 | January 2020 | – | – | – | IRS |
| 990 | January 2019 | – | – | – | IRS |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS.
Questions about THE MARK TWAIN MEMORIAL
- What is the EIN of THE MARK TWAIN MEMORIAL?
- The employer identification number (EIN) of THE MARK TWAIN MEMORIAL is 06-0685118.
- Is THE MARK TWAIN MEMORIAL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1938.
- Are donations to THE MARK TWAIN MEMORIAL tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does THE MARK TWAIN MEMORIAL file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of THE MARK TWAIN MEMORIAL due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did THE MARK TWAIN MEMORIAL last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of THE MARK TWAIN MEMORIAL?
- The 990 for the year ended December 31, 2025 names JEFFREY L NICHOLS.
- Who are the officers and directors of THE MARK TWAIN MEMORIAL?
- The 990 for the year ended December 31, 2025 lists 27 people; 2 received compensation from the organization, the highest $109,278 (JEFFREY L NICHOLS, EXECUTIVE DI).
- How much revenue does THE MARK TWAIN MEMORIAL have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $4,010,233, expenses of $3,593,180 and total assets of $14,050,881 at year end.
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