Family Owned And Operated for Generations
Family Owned And Operated for Generations

Serving the Finger Lakes Region Since 1958

Knapp and Schlappi Lumber Co. is a family owned and operated business that has been serving our local community since 1958. We carry a large selection of building materials and hardware supplies that make us your one-stop shopping place. Please contact us for any of your residential and commercial needs. We will do our best to ensure you have a great shopping experience with us.

Our Services

From top-notch tools to expert advice, we’ve got your DIY and home improvement needs covered! Our services are tailored to meet your every need. Trust us as your local experts and one-stop-shop for convenience, quality, and unmatched expertise in all things hardware! 

Deal of the Week - Save 30% - Flexzilla Drinking Water Safe Garden Hose - $34.99 - Shop now
Deal of the Week - Save 30% - Flexzilla Drinking Water Safe Garden Hose - $34.99 - Shop now
Gift Cards
Andersen Windows & Doors logo with house
Andersen Windows & Doors logo with house
DuraLife composite decking with logo
MoistureShield logo with MoistureShield deck seating
Makita power saw with logo
Makita power saw with logo
Milwaukee - Built for His Next Project - Power tools built to last - Shop now
Milwaukee - Built for His Next Project - Power tools built to last - Shop now
Up to 30% Off - Stock Up on Bird Feeding Supplies - Shop now
Up to 30% Off - Stock Up on Bird Feeding Supplies - Shop now
Start Canning Season Right - Jars, lids, and tools from Ball - Shop now
Start Canning Season Right - Jars, lids, and tools from Ball - Shop now
Get the Backyard Ready for Dad with Outdoor Expressions - Shop now
Get the Backyard Ready for Dad with Outdoor Expressions - Shop now

Featured articles

Scotts Lawn Care 4-Step Program

A simple & effective plan for a great lawn

Scotts Spreaders Buying Guide

The best options to get the greenest grass on the block

Get Your Garden Ready for Spring

Do these things for a beautiful and healthy harvest

Beginner’s Guide to Backyard Bird Feeding

Tips and tricks for attracting beautiful feathered friends all year long