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R.P. Lumber opened its 100th retail location on Oct. 12, 2026, in Monmouth, Illinois. The store occupies a renovated former auto dealership and is intended to expand local access to building materials, hardware and services; details such as staffing and store capacity were not provided in the report.
R.P. Lumber opened its 100th retail location on October 12 in Monmouth, Illinois, adding a store that the company says will expand access to building materials, hardware and services for customers in western Illinois. The location was created through an extensive renovation of a former auto dealership that had been vacant for about two years.
The new store sits along one of Monmouth’s primary commercial corridors, according to Hardware Retailing’s October 12 report. R.P. Lumber renovated the former dealership with a full interior demolition and major building improvements, installed new fencing and built a new warehouse. The company did not disclose the renovation cost, the store’s floor area or its opening-day staffing.
R.P. Lumber says the location will help it serve its customer base across western Illinois. It is also intended to give area customers access to professional-grade building materials and a broader hardware selection than many had traditionally been able to find locally. The report does not list the store’s specific inventory, operating hours or services.
The opening brings the company to 100 retail locations. CEO Robert Plummer and Donna Plummer, identified in the report as his wife, described the milestone as a result of the company’s employees and customers. Their statements frame the opening both as an expansion into Monmouth and as a marker in the business’s growth since it began in 1977.
A New Store for Western Illinois
For Monmouth, the opening puts a renovated commercial property back into use and adds a local outlet for building materials and hardware. The business may give contractors, property owners and other shoppers another place to source supplies, although the company has not provided information that would allow the store’s expected sales, job count or local economic impact to be quantified.
For R.P. Lumber, reaching 100 locations marks the scale of its retail network after nearly five decades in business. The Monmouth store is also a practical expansion: the company says it is meant to serve customers across western Illinois, rather than simply mark a corporate milestone. The degree to which it changes local shopping options will depend on its assortment, services and customer demand, details not included in the report.
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From Staunton to 100 Stores
R.P. Lumber traces its founding to 1977 in Staunton, Illinois, where Robert and Donna Plummer started the company. In comments reported by Hardware Retailing, Robert Plummer said the founders did not expect to reach 100 stores. The report describes the Monmouth opening as the company’s 100th retail location but does not provide a full list of locations or a breakdown by state.
The Monmouth project repurposed a former auto dealership that had stood vacant for approximately two years. The company’s work included changes to the existing building as well as construction of a new warehouse. That combination supports the stated plan to offer a broader range of materials and hardware, though the company did not detail the warehouse’s size or the inventory it will hold.
“We wanted to invest in Monmouth because it’s a great community filled with hardworking people who share many of the same values that have guided our company for nearly five decades.”
— Robert Plummer, CEO of R.P. Lumber
Store Details Still Unreported
The opening date and location are reported, along with the renovation work and the company’s stated plans for serving western Illinois. However, the report does not provide the store’s workforce size, investment amount, sales expectations, operating hours or detailed product and service list. It also does not quantify how much additional inventory or customer capacity the site will provide.
Claims about broader local access and community benefit are attributed to R.P. Lumber; independent measures of those effects were not included. The available report also does not specify whether the company has further openings planned or how quickly it might add locations after reaching 100.
How the Monmouth Store Develops
The Monmouth location is open for business as of October 12, 2026. The next indicators of its impact will be the products and services available to customers, how the store serves contractors and other shoppers, and whether the company shares further information on staffing or operations. No additional opening date or company expansion plan was announced in the source report.
Key Questions
Where is R.P. Lumber’s 100th retail location?
It is in Monmouth, Illinois, along one of the city’s primary commercial corridors.
When did the store open?
The store officially opened for business on October 12, 2026, according to Hardware Retailing.
What was at the site before the store?
The location was a former auto dealership that had been vacant for approximately two years. R.P. Lumber renovated the building and constructed a new warehouse.
What does the company say the store will offer?
R.P. Lumber says it will bring professional-grade building materials, a broader hardware offering, and additional resources, inventory and services to the area. The report does not give a detailed product list or hours.
How many R.P. Lumber retail locations are there now?
The Monmouth opening is identified as the company’s 100th retail location. The source report does not provide a location-by-location breakdown.
Source: rss
