Marker text: BRENTSVILLE
Fourth seat of the Prince William County government, courthouse, jail, Episcopal chapel, and white house were built in 1822 on land originally part of the Brent Town tract confiscated from Robert Bristow, a Tory, in 1779.
St. James Church of Dettingen Parish (now Hatcher's Memorial Baptist), was built in 1847 on the site of the old chapel.
During the War between the states Col. Mosby operated in this area.
In 1893 the county seat was moved to Manassas.
Prince William Historical Commission, 1980