A 1904 Arts-and-Crafts duplex built by Flagstaff's lumber-baron Riordan brothers, where family lore tells of a billiard-room ghost and a chapel light tied to Caroline Riordan's death
409 W Riordan Rd, Flagstaff, AZ 86001
Research updated June 2026
Age
All Ages
Cost
$$
Park entrance fee plus a separate guided-tour fee; the interior is seen by guided tour only. See state parks website for current rates.
Access
Wheelchair OK
Wooded park grounds; the historic house has stairs and period interiors
Equipment
Photos OK
Est. 1904 · Built by lumber barons Timothy and Michael Riordan, founders of the Arizona Lumber and Timber Company · Designed by Charles Whittlesey, architect of the Grand Canyon's El Tovar Hotel · Notable American Arts-and-Crafts duplex preserved with original furnishings · Now a state historic park operated by Arizona State Parks
Timothy and Michael Riordan were central figures in turn-of-the-century Flagstaff. Through the Arizona Lumber and Timber Company they built much of the region's lumber business, and they extended their influence into railroads, cattle, banking, and local politics. The brothers married the Metz sisters — Timothy married Caroline and Michael married Elizabeth — and in 1904 they built a single large house to keep the two families close.
The result was a 13,000-square-foot home arranged as two separate residences linked by a shared central room. The design came from Charles Whittlesey, the architect who also designed the El Tovar Hotel at the Grand Canyon, and the house is a notable example of American Arts-and-Crafts architecture, with log-slab siding, hand-built furniture, and built-in cabinetry. Much of the original furniture, including pieces by Gustav Stickley, survives in place.
The Riordan families lived in the house for decades. It later passed into state ownership and opened to the public as Riordan Mansion State Historic Park, where the interior is preserved largely as the families left it. Guided tours of roughly an hour walk visitors through the rooms and the family's story, and the wooded grounds are open with park admission.
Sources
The mansion's two best-known stories both come out of the family's own retelling. The first centers on the central billiard room that joins the two wings of the house. The Riordans reportedly said that a ghostly figure would now and then appear there to play pool when the room was otherwise empty, a quiet bit of household lore that has followed the house into its museum era.
The second story is about Caroline Riordan, Timothy's wife. She is said to have asked that a light in a corner of the home's chapel be kept burning at all times, and a maid changed the bulb regularly to honor the request. According to the legend, while the family was away in California, the housekeeper noticed the light had gone dark despite a fresh bulb. Soon after, Timothy telephoned the house to say that Caroline had died — at, the family held, the same moment the light went out. Some versions add that the light came back on shortly afterward.
The stories are passed along on tours and in regional press coverage of haunted Flagstaff, and park accounts acknowledge unexplained happenings without claiming to explain them. They remain documented family lore rather than investigated phenomena.
Notable Entities
The interior of Riordan Mansion is seen on a guided tour that runs about an hour and covers the Riordan family history, the Arts-and-Crafts architecture, and the original furnishings. Reservations are not required but are recommended; the park grounds can be walked separately with park admission.
Every HauntBound history is researched from documented sources. We clearly separate verified historical fact from paranormal folklore.
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