2026-05-29T06:58:01-06:00 2025-12-31 430551028 JAMES C THOMPSON & CO LLC 9909 CLAYTON ROAD STE 206 Saint Louis MO 63124 990 2025-01-01 436055281 Chatillon-DeMenil House Foundation % Mary Hayward CHAT 3147715828 3352 DeMenil Place Saint Louis MO 63118 MARY HAYWARD President 3147715828 2026-05-10 true THOMAS M SIMPSON P01208583 3149912929 2026-05-29 2025 2025-03-06 01:10:19Z 70419 false X www.DEMENIL.ORG X 1965 MO EDUCATION AND HISTORIC PRESERVATION 9 9 2 0 0 89411 7368 20036 23318 1 0 11540 39733 120988 70419 0 0 54136 59764 0 13468 83861 81841 137997 141605 -17009 -71186 452215 382607 3192 4522 449023 378085 EDUCATION AND HISTORIC PRESERVATION 101204 TOUR INCOME IS A FEE FOR EDUCATIONAL VIEWING OF THE HOUSE. 101204 true false false false false false false false false false true false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false true 0 0 2 false false false false false false false false false false false false false false false true X 9 9 false false false false false false false true true false false true false false false false false false MO X Mary Hayward 3147715828 3352 DeMenil Place Saint Louis MO 63118 X Joseph C Carpenter Treasurer 0.00 0.00 X X 0 0 0 Wardwell Buckner Board Member 0.00 0.00 X 0 0 0 Mary Hayward President 0.00 0.00 X X 0 0 0 Mary Stiritz Vice President 0.00 0.00 X 0 0 0 Shashi Palamand Board Member 0.00 0.00 X 0 0 0 Ted Atwood Board Member 0.00 0.00 X X 0 0 0 Willaim H Hart Board Member 0.00 0.00 X 0 0 0 Tim Rohan Board Member 0.00 0.00 X 0 0 0 Jane Chouteau Board Member 0.00 0.00 X 0 0 0 0 0 0 0 false false false 2875 2215 2278 7368 Mbrship dues & assesmts 900099 17996 17996 Tours 561520 5322 5322 23318 2875 0 Other 900099 39733 39733 39733 70419 63051 0 0 36477 25534 7295 3648 2959 2071 592 296 20328 14230 4065 2033 570 399 114 57 17647 12353 3529 1765 6937 6937 16634 11644 3327 1663 Building and Ground Maint 27869 19508 5574 2787 Utilities 10389 7272 2078 1039 Phone 1795 1256 359 180 141605 101204 26933 13468 27229 16285 526 526 810692 662979 153324 147713 269940 216887 1196 1196 452215 382607 3192 4522 3192 4522 X 449023 378085 449023 378085 452215 382607 X -71186 248 X false false false X 110644 216393 65943 115925 65097 574002 5700 4353 5508 5063 5322 25946 116344 220746 71451 120988 70419 599948 0 0 0 0 0 0 599948 5 1 6 5 1 6 116349 220746 71452 120988 70419 599954 1.00000 1.00000 0.00000 0.00000 X 25000 25000 785692 662979 122713 147713 Form 990 governing body review Part VI line 11 Form 990, Part VI, Line 11b - Organizations Process of Review Form 990 No review was or will be conducted. Governing documents etc available to public Part VI line 19 Form 990, Part VI, Line 19 - Governing Documents Disclosure Explanation No documents available to the public Explanation of other changes in net assets or fund balances Part XI line 9 ACCRUAL FOR BOOK PURPOSES OF UNREALIZED GAINS ON INVESTMENTS Part XI response or note to any line in Part XI Form 990, Part XI - Additional Information Accrual for book purposes of unrealized gains on investments. Form 990, Part XI, Line 9 - Other Changes in Net Assets Explanation UNREALIZED APPRECIATION $