Business Details
50+ Years
experience
Trusted Building Supplies & Hardscape Products in Pennsylvania
Keystone Block has served the construction industry since 1926, established by Joseph Galdieri in Scranton, Pennsylvania. Our family-owned business operates three manufacturing locations in Scranton, Honesdale, and Towanda, Pennsylvania, distributing products across Pennsylvania, New Jersey, Connecticut, and New York, including Long Island. We specialize in concrete blocks, masonry supplies, and hardscape products, including our exclusive status as the manufacturer of Versa-Lok retaining wall systems for eastern Pennsylvania. Our commitment to quality and customer service has made us a trusted partner for contractors and builders throughout the region. With nearly a century of experience, we continue to provide durable, innovative materials that meet evolving construction needs.Our team understands the importance of reliable products and timely delivery, ensuring projects of all sizes are completed successfully. As a third-generation family business, we maintain the same dedication to excellence that defined our founding principles. Our knowledgeable staff works closely with clients to offer tailored solutions for residential, commercial, and infrastructure projects. By maintaining extensive inventory and efficient distribution networks, we ensure consistent availability of essential building materials. This combination of heritage, expertise, and customer focus positions us as a leading supplier in the Northeastern United States.
Services
Concrete blocks
Versa-Lok retaining walls
Stone veneers
Concrete pavers
Masonry supplies
Details
- Year established: 1926
Highlights and features
- We have nearly a century of experience in concrete manufacturing.
- Our family ownership ensures personalized service and accountability.
- We operate three strategically located Pennsylvania manufacturing facilities.
- We are the exclusive Versa-Lok retaining wall system provider for eastern PA.
- Our distribution network serves four Northeastern states efficiently.
Services
Concrete blocks
Our concrete blocks provide durable foundational materials for commercial and residential construction. Manufactured to strict quality standards, these blocks offer superior strength and thermal performance. Contractors throughout the Northeast rely on our products for both structural integrity and energy efficiency in new builds and renovations.
Versa-Lok retaining walls
As eastern Pennsylvania's exclusive manufacturer, we produce Versa-Lok interlocking retaining wall systems that combine aesthetic appeal with engineering excellence. These modular systems enable efficient installation while providing long-term erosion control and slope stabilization for residential landscapes and large-scale infrastructure projects across our service region.
Stone veneers
Our manufactured stone veneers offer the appearance of natural stone with enhanced durability and installation efficiency. These lightweight, pre-colored products provide architects and homeowners with versatile design options while maintaining structural integrity. Available in multiple textures and hues for both interior and exterior applications.
Concrete pavers
We supply concrete pavers designed for high-traffic areas requiring both durability and visual appeal. Our products resist cracking from freeze-thaw cycles and maintain color integrity through advanced manufacturing processes. Ideal for residential driveways, commercial plazas, and municipal walkways throughout our Northeast distribution network.
Masonry supplies
Our comprehensive masonry supply inventory includes mortars, adhesives, and specialty tools required for professional installations. These companion products ensure proper application of our core offerings while maintaining structural integrity. We stock both standard and specialty items to support diverse project requirements across all served markets.
Questions
What areas do you serve?
We serve Pennsylvania, New Jersey, Connecticut, and New York, including Long Island, through our three Pennsylvania manufacturing locations.
Are you a family-owned business?
Yes, we've been family-owned and operated by three generations of the founding family since our establishment in 1926.
What makes your retaining walls unique?
We're the exclusive manufacturer of Versa-Lok retaining wall systems for eastern Pennsylvania, offering patented interlocking technology and design versatility.
Do you sell directly to homeowners?
While we primarily serve contractors, we recommend contacting our locations directly for homeowner-specific purchasing options and guidance.
What product lines do you offer?
We manufacture concrete blocks, pavers, stone veneers, and masonry supplies, along with exclusive Versa-Lok retaining wall systems for Pennsylvania.
How can I become a dealer?
Visit our website's dealer application page or contact our main office in Scranton for detailed information about joining our distribution network.
