The Riordan Mansion State Historic Park is an American Arts and Crafts style duplex estate preserved as a historical museum, located adjacent to the university campus in Flagstaff, Arizona. This 2026 visitor guide covers opening hours, ticket prices, transport or parking, accessibility, and practical visitor tips.
This guide was updated in April 2026, noting that the standard park entrance fee is now entirely waived for visitors who book a guided tour reservation in advance.
Quick facts
| Detail | Information |
| Opening hours | Summer: 9:30 am to 5:00 pm. Winter: 10:30 am to 5:00 pm. |
| Ticket prices | Guided Tour: $18.00 (Adults), $12.00 (Youth). Grounds only: $5.00 (Adults). |
| Address | 409 West Riordan Road, Flagstaff, AZ 86001 |
| Nearest public transport or parking | Free on-site car park |
| Typical time needed to visit | 1.5 to 2 hours |
Riordan Mansion State Historic Park opening hours
The Riordan Mansion State Historic Park opening hours vary depending on the season. During the summer schedule, from 1 April to 31 October, the park operates daily from 9:30 am to 5:00 pm, with interior tours departing hourly between 10:00 am and 4:00 pm.
During the winter schedule, from 1 November to 31 March, the gates open later from 10:30 am to 5:00 pm, with the first tour beginning at 11:00 am. The site closes early at 2:00 pm on Thanksgiving and Christmas Eve, and remains entirely closed on Christmas Day.
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Riordan Mansion State Historic Park ticket prices
The Riordan Mansion State Historic Park ticket prices are split into two tiers. A guided tour ticket, which is required to see the interior, costs $18.00 for adults (aged 14 and over) and $12.00 for youths (aged 7 to 13). If you only want to access the outdoor grounds and the visitor centre exhibits, the general park entrance fee is $5.00 for adults and $3.00 for youths. Children aged six and under enter for free on both tiers.
Opening hours and ticket prices were checked on the official website and last updated in April 2026.
How to get to Riordan Mansion State Historic Park
You can reach Riordan Mansion State Historic Park by driving two blocks east of Milton Road in central Flagstaff. The estate is situated immediately next to the Northern Arizona University (NAU) parking garage. When using GPS, enter the exact address of 409 West Riordan Road to ensure you are routed to the primary visitor entrance.
Parking at Riordan Mansion State Historic Park
Free parking at Riordan Mansion State Historic Park is provided directly on the grounds for all registered visitors. The dedicated car park is located immediately past the main entrance gates and features adjacent shaded picnic tables that are available on a first-come, first-served basis.
How long to spend at Riordan Mansion State Historic Park
Visitors typically spend between one and a half to two hours at Riordan Mansion State Historic Park. The required guided interior tour lasts exactly 60 minutes, which leaves sufficient time to browse the visitor centre exhibits and walk the self-guided exterior trail around the estate.
Accessibility at Riordan Mansion State Historic Park
Accessibility at Riordan Mansion State Historic Park complies with ADA guidelines, featuring fully accessible public toilets inside the visitor centre. The paved outdoor pathways and the first floor of the historic mansion are accessible to standard wheelchairs, though some minor manoeuvring restrictions apply within the original 1904 architectural layout.
Inside Riordan Mansion State Historic Park
Visitors to Riordan Mansion State Historic Park experience a rare 13,000-square-foot residential duplex built from local volcanic basalt rock and ponderosa pine, connected by a shared communal rendezvous room.
The interior is strictly viewed via the guided tour, which begins in the East House. This wing is preserved as a time capsule reflecting the original owners’ lives, showcasing an exceptional collection of original Arts and Crafts movement furniture designed by Gustav Stickley and Harvey Ellis.
The tour concludes in the West House, where the ground floor has been converted into an exhibition space. Displays here feature Native American baskets, historical photography, and a scale model of early 20th-century Flagstaff.
The separate visitor centre occupies the family’s former 1914 automotive garage. It houses introductory exhibits outlining the Riordan family’s significant influence on the region’s logging industry and the subsequent development of the city.
Practical visitor tips
| Focus | Tip |
| Timing | Advance reservations for the interior tour are highly recommended, as group sizes are strictly limited and frequently sell out during peak summer months. |
| Crowds | Weekday mornings generally offer quieter tour groups and more readily available parking compared to weekend afternoons. |
| Layout | The property is divided into the main historic home, the detached visitor centre, and a surrounding forest featuring a self-guided walking trail. |
| Entry process | Upon arrival, proceed immediately to the visitor centre to pay any outstanding fees and collect your physical tour lanyard before meeting your guide. |
| On-site logistics | Touching the antique furnishings or interior walls during the guided tour is strictly prohibited in order to preserve the original 1904 materials. |
Frequently asked questions about Riordan Mansion State Historic Park
| Question | Answer |
| Is Riordan Mansion State Historic Park suitable for children? | Yes, children are permitted on the guided tours, provided they are closely supervised and do not interact with the fragile historical artefacts. |
| Do you need to book tickets in advance for Riordan Mansion State Historic Park? | Yes, booking the guided tour in advance online or by phone is strongly recommended to guarantee entry to the mansion’s interior. |
| Is Riordan Mansion State Historic Park open on Sundays? | Yes, the park grounds and the visitor centre operate every Sunday throughout the year. |
| Are bags allowed at Riordan Mansion State Historic Park? | Standard day bags are permitted inside, but visitors must wear them carefully to avoid brushing against the historic furniture. |
Things to do near Riordan Mansion State Historic Park
- Lowell Observatory
- Museum of Northern Arizona
- Historic Downtown Flagstaff
- Pioneer Museum
- Walnut Canyon National Monument
More Arizona travel
Other Arizona travel articles on Planet Whitley include:
- The best route from Flagstaff to the Grand Canyon.
- What is the best value entrance pass for Grand Canyon National Park?
- Visitor guides to the national monuments around Flagstaff: Wupatki National Monument, Sunset Crater National Monument and Walnut Canyon National Monument.
- Visitor guide to the Sea Life Aquarium Arizona in Tempe.
- A practical guide to visiting Monument Valley.
