Every year Doors Open Lowell provides an inside look to nearly 30 buildings over two days. Look for old favorites this year as well as new additions to the roster of buildings.
Please note that Doors Open Lowell 2025 will again be a one day event on Saturday, May 10.
No tickets or pre-registration is required. Admission is free.
Look for the blue Doors Open Lowell banners identifying participating sites.
Shuttle bus will run on a rolling basis on Saturday, May 10 between several sites.
The official Doors Open Lowell program guide will be online and also available at the Lowell National Historical Park Visitor Center, Mogan Cultural Center, Boott Cotton Mills Museum, and Pollard Memorial Library.
The 2025 building roster is a work in progress and the listing below reflects sites confirmed for this year as of 2/25/2025.
CLICK HERE TO SEE AND DOWNLOAD THIS YEAR’S PROGRAM GUIDE AND MAP (AVAILABLE MID-APRIL, 2025)
Click on each building’s name to learn more about its history.
Saturday, May 10
10 am - 1 pm
First Unitarian Church *New in 2025*
72 Merrimack Street
The former First Unitarian Church (1832) was designed in the Greek Revival style by architect Ammi Young who also designed Boston’s Custom House (1847) and became the first Supervisory Architect of the United States Treasury Department in 1852. The building ceased being a church in 1926 and has always contained commercial businesses. Discover the third floor with its period Greek Revival decor and ornament which was once part of the former church’s hall.
Boston & Maine Railroad Depot
240 Central Street
This High Victorian Gothic style structure (1876) was originally built as a train depot but is more commonly known locally as the former Rialto Theater up until 1960 when it was converted into a bowling alley. Discover how it has been spectacularly rehabilitated by Middlesex Community College and is now home to the Richard & Nancy Donahue Family Academic Arts Center and the new Owl Theatre.
St. Patrick Church
282 Suffolk Street
Visit this Gothic Revival church (1853-1874) and learn more about past restoration projects and how the church continues to serve Lowell’s immigrant populations today. Designed by famed ecclesiastic architect Patrick Keely, St. Patrick is home to the oldest Catholic parish in the Merrimack Valley and third oldest in the Archdiocese of Boston.
Saturday, May 10
10 am - 4 pm
Gates Block
307 Market Street
The Gates Block (1881) originally housed a leather goods manufacturer as well as the manufactory for Moxie Nerve Food, a patent medicine that later became a soft drink. Explore the building’s rebirth as an arts center, home to the Arts League of Lowell, Van Gogh’s Gear Art Supplies, and three floors of artist studios.
National Streetcar Museum
25 Shattuck Street
The Queen Anne style Mack Building (1886) was originally home to W.A. Mack and Company, a manufacturer and dealer in cast iron stoves, architectural elements, fences, and other metal products. Browse exhibits about the influence of street railways on the development of our cities.
Saturday, May 10
11 am - 4 pm
Brush Art Gallery & Studios
256 Market Street
Browse these working artist studios and view current exhibits housed in this Italianate style mill building originally built by the Lowell Manufacturing Company in 1882, today the Market Mills complex.
Saturday, May 10
1 pm - 4 pm
Transfiguration Greek Orthodox Church
25 Fr. John Sarantos Way
Visit this Byzantine-style church (1956-1964) and discover its rich ornamentation including imported ceiling mosaics from Italy, iconography, and stained glass.
Spalding House
383 Pawtucket Street
The Georgian style Spalding House (1761) is the third oldest surviving house in Lowell. Learn about its history and the Lowell Parks & Conservation Trust’s preservation efforts.