added a kitchen and office onto the building, on the south and west ends respectively, in 1881. Grierson also added a carriage house and placed locks on every door in the building. The Fort Concho Museum purchased the building in 1964. In 1994, it was renovated and became the Concho Valley Pioneer Heritage Center. Officer's Quarters 8 and 9 were built to the same plan as Officer's Quarters 1, and were also completed in 1872. Another room was added to the south side of Officer's Quarters 8 in 1936. Officer's Quarters 9 was restored to its original appearance in 1905.