Annual Report

The Mercer Museum and Fonthill Castle are operated by the Bucks County Historical Society. With thanks to our supporters, our Annual Report can be accessed here.

2018 BCHS Annual Report

2017 BCHS Annual Report

2015 BCHS Annual Report

Strategic Plan

Following considerable planning, the Board of Trustees of the Bucks County Historical Society has adopted a long range Strategic Plan for the period 2019-2021. The Summary of the Plan can be accessed here.

2019 – 2021 Strategic Plan Summary


2018 BCHS IRS Form 990

2018 The Trustees of the Mercer Fonthill Museum IRS Form 990



Henry Mercer was 51 when he began building the first of his three concrete structures, his home Fonthill, 1908-1910.
Rollo's Fact 1

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Beginning Monday, March 1, 2021 the Mercer Museum & Fonthill Castle will be open 6 days per week, Tuesdays – Sundays from 10 a.m. – 5 p.m., and will be closed on Mondays. The Mercer Museum Research Library will be closed from Saturday, March 6 - Saturday, March 13, 2021 to upgrade our facilities. The library will reopen on Tuesday, March 16, 2021.