2026-09-16T05:08:56-07:00 2026-03-31 043432473 Turner & Costa PC 190 Littleton Rd Westford MA 01886 990 2025-04-01 237105636 Mystic Valley Railway Society Inc MYST 6176997101 PO Box 365486 Hyde Park MA 021360009 Theresa Rylko President 6176997101 2026-09-14 true Robert M Turner P00497567 9786923291 2026-09-16 2025 Theresa Rylko 120 Beaver Street Hyde Park MA 02136 83997 false X www.mysticvalleyrs.org X 1970 MA Educational - Transportation/Railway 11 11 0 11 0 0 6395 7450 7329 8537 73095 68010 0 86819 83997 0 0 0 0 0 86250 86690 86250 86690 569 -2693 1002546 1055349 0 1002546 1055349 Educational - Transportation/Railway false false 52832 0 8537 Rail tours and rail shows for general public. 52832 true false false false false false false false false false true 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 true 0 0 0 false false false false false false false false false false false false X 11 11 false false false false false false false true true false false true false false false false false false MA X Judy Berson-Hoyt 7818420026 10 Harvey Park Lynnfield MA 01940 X Theresa Rylko President 20.00 X X 0 0 0 Judy Berson-Hoyt Treasurer 20.00 X X 0 0 0 Nancy Roney Clerk 20.00 X X 0 0 0 Nancy Rabonitwz Vice President 20.00 X X 0 0 0 false false false 5778 1672 7450 Railway Tours 611000 8190 0 0 Trade Shows 611000 347 0 0 8537 31959 0 31959 36051 36051 36051 0 0 36051 83997 8537 0 68010 351 0 351 0 9600 0 9600 0 1300 0 1300 0 6148 6148 0 0 23934 17950 5984 0 3239 3239 0 0 0 0 0 0 Membership Expenses 1750 1750 0 0 Trip costs 16019 16019 0 0 Computer Expense 1675 0 1675 0 Postage & Freight 7858 5894 1964 0 14816 1832 12984 0 86690 52832 33858 0 58315 77953 29592 29592 0 0 944231 977396 1002546 1055349 0 0 X 1002546 1055349 1002546 1055349 1002546 1055349 X -2693 55496 X false false false X 0 0 5012 6119 8352 6395 7450 33328 748 6727 7403 7329 8537 30744 0 0 5760 12846 15755 13724 15987 64072 0 0 0 64072 29990 25314 27366 28945 31959 143574 29990 25314 27366 28945 31959 143574 35750 38160 43121 42669 47946 207646 0.30860 0.29210 0.69140 0.70790 X 29592 29592 0 0 Fidelity Government Money Mkt 30359 F SA Emerging Market 53810 F SA International 113403 F SA Short Duration 9679 F SA Income Opp. 9920 F SA Core Income Fund 288517 F Fidelity SAI US Treasury Bond Index 8618 F Fidelity Government Cash Reserves 10306 F SA Alternatives Funds 12760 F Cohen & Steers Realty Sh 3747 F FID SAI Inflation 10232 F Fidelity SAI Canada Equity Index 16106 F Total Stock FD 385240 F Protected Bond Index 24699 F 977396 Pt VI, Line 11b Organizations Process to Review Form 990. The officers review the Form 990. Pt VI, Line 19 Governing Documents Disclosure Explanation. Pt VI, Line 19 Governing Documents available to the public upon request. Pt XI Unrealized gains/losses on investments. Form 990, Part IX, Line 24e Telephone 2109. 1582. 527. 0. Form 990, Part IX, Line 24e Bank Service Charge 12. 0. 12. 0. Form 990, Part IX, Line 24e Boutique 250. 250. 0. 0. Form 990, Part IX, Line 24e Investment Fees 10338. 0. 10338. 0. Form 990, Part IX, Line 24e Permits & Fees 2107. 0. 2107. 0.