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Business Details
40 Years
experience
Your Trusted Building Supplies & Home Improvement Store
Guis Lumber, established in 1986, has been a trusted full-service retail lumberyard and Ace Hardware Store serving the greater Western New York region. We prioritize customer satisfaction by offering quick delivery, competitive pricing on building products, and expert service. Our commitment to quality is reflected in our inventory of high-grade lumber, construction supplies, and home improvement materials. We operate a custom millwork plant for specialized projects and maintain seven strategically located stores to better serve homeowners, contractors, and businesses. Our knowledgeable team provides personalized assistance with product selection, project planning, and technical advice.

We continuously update our inventory to include the latest advancements in building materials and tools. Our reputation as a reliable supplier is built on decades of consistent service and adherence to industry standards. We serve communities including Niagara Falls, Grand Island, Clarence, Springville, North Collins, Hamburg, Batavia, and Buffalo, NY. Our dedication to customer-centric solutions ensures every project receives tailored support. We combine traditional business values with modern product offerings to meet evolving industry demands.
Services
Lumber Supply Custom Millwork Plumbing Supplies Electrical Materials Power Tools Hot Water Tanks Drywall Products Painting Supplies Siding Materials Construction Equipment
Details
  • Year established: 1986
Highlights and features
  • We have over 35 years of experience in the building materials industry
  • Our custom millwork plant creates tailored solutions for unique projects
  • Seven strategically located stores ensure convenient access across WNY
  • We maintain competitive pricing while upholding product quality standards
  • Our staff provides expert guidance for both DIYers and professional contractors
Associations and certifications
  • NYS Certified Minority & Woman-Owned Business/Supplier
What people say
Helpful staff Better quality Amazing service Competitive pricing Expert problem-solving
Services
Lumber Supply
We provide comprehensive lumber solutions for residential and commercial construction projects. Our inventory includes spruce, treated lumber, doug fir, hem fir, engineered lumber, and specialty boards. Each location maintains competitive pricing on framing materials and specialty trim products.
Custom Millwork
Our in-house millwork plant creates custom trim, interior doors, and architectural elements for remodeling and new construction. We produce made-to-order components that meet specific design requirements while maintaining quality standards for durability and aesthetics.
Plumbing Supplies
We stock complete plumbing systems including water heaters, drainage pipes, faucets, and remodeling supplies. Our inventory covers residential and commercial applications with both standard replacement parts and specialty components for complex installations.
Electrical Materials
Our electrical department offers wiring, conduits, circuit breakers, and lighting solutions for residential and commercial use. We maintain current inventory of code-compliant components and energy-efficient lighting systems to meet modern building requirements.
Power Tools
We carry major brand power tools including Milwaukee, DeWalt, and Craftsman for professional contractors and DIY enthusiasts. Our selection includes drills, saws, sanders, and cordless systems with expert guidance for selecting appropriate tools for specific applications.
Questions
What types of building supplies do you carry?
We offer lumber, plumbing supplies, electrical materials, power tools, drywall products, painting supplies, and custom millwork solutions for residential and commercial projects.
Do you have locations throughout Western New York?
We operate seven locations serving Niagara Falls, Grand Island, Clarence, Springville, North Collins, Hamburg, and Batavia areas.
Can you special order construction materials?
Yes, our custom millwork plant handles special orders for trim, doors, and architectural elements to meet specific project requirements.
What are your current business hours?
Most locations are open Monday-Friday 7AM-5/6PM, Saturday 8AM-4PM, and Sunday 9AM-2/4PM with variations by location.
Do you offer expert assistance for home improvement projects?
Our experienced staff provides product recommendations, project planning guidance, and technical support for both DIYers and professional contractors.
Reviews (5)
Rob Russell
Sep 22, 2021 Report
I'm a regular customer here and the lumber and trim is of a better quality and cheaper than the big box stores. The service is amazing, if you want to go somewhere where they call you by name, this is the place to become a frequent visitor. The hardware store itself has everything you could think of and a lot you wouldn't.
Daniel Kozak
Sep 14, 2021 Report
Ok store. Had most Shark Bite fittings I needed. Had to go to Hector's to get the rest and 10' red and blue PEX I needed. Next PEX project will be from Hector's
Tim Pazda
Sep 13, 2021 Report
Great place to do business. Rusty the mascot can always be counted on for a smile and Beau is always a wealth of knowledge. Pay no attention to the thin skinned naysayers who post bad reviews. It's a hardware store, not a salon!
Ridge C.
Jun 22, 2021 Report
This was my first visit to this location and I loved it. I was looking for something specific on line and this store had it. A little out if my way but glad I went. They have a great staff, helpful, hard working and friendly. I will be back.
Me
Jun 06, 2021 Report
Went into store. All 3 mature (>60) adults were on their phones texting. No one else around. Still they took their time to finish then i got helped. Had a problem w my online order where wrong thing was canceled by Ace and i was refunded for wrong item. Once i explained that to them they wanted no part of it. It was liked i asked them to derive Einstein's theory of relativity from scratch. AVOID AVOID AVOID BTW, online help was worse if that's even possible Lost 1 customer today for life. and no, if the owner is going to respond w some form caged meaningless apology with no contact into then no im not interested. I instead fix ur store Its funny im looking at the most recent negative review by John Davis and it's THE SAME PROBLEM. Apparently they fixed NOTHING