Business Details
50+ Years
experience
Custom Home Building & Real Estate Development in Marlborough, MA
Keystone Custom Builders has been a trusted leader in real estate development and construction since 1975. Our hands-on approach and commitment to detail have established a proven track record of successful residential and commercial projects. We specialize in multi-family developments, custom single-family homes, and adaptive reuse of commercial properties, combining traditional craftsmanship with modern innovation. Our teams deep regional ties ensure every project aligns with local needs and environmental standards. As pioneers in green building, we are certified Earthcraft House builders and founding members of Build Green Massachusetts. Our comprehensive services span site acquisition, design, permitting, and construction management, delivering seamless solutions for clients.With over 700 residential units permitted and 1 million square feet of commercial real estate developed, we prioritize client collaboration and satisfaction. Our expertise in navigating zoning, environmental regulations, and energy-efficient practices ensures projects meet the highest standards. We maintain transparency through detailed budgeting and regular updates, fostering trust and long-term relationships. For over five decades, our dedication to quality, sustainability, and community impact has solidified our reputation as a leader in the industry.
Services
Design/Build Services
Green Building
Residential Construction
Commercial Development
Property Management
Details
- Year established: 1975
Highlights and features
- We have over 50 years of experience in residential and commercial development.
- Our hands-on approach ensures meticulous attention to every project detail.
- We pioneered green building practices in Massachusetts with certified expertise.
- We manage projects from site acquisition to final construction for seamless delivery.
- Our team has permitted 700+ residential units and developed 1M+ sq ft of commercial space.
Associations and certifications
- Earthcraft House
- Build Green Massachusetts
- National Association of Home Builders Certified Green Professionals
Services
Design/Build Services
Our Design/Build Services streamline home creation from concept to completion. We collaborate with clients to transform ideas into detailed plans, coordinating architects and designers. This integrated approach ensures cost efficiency, timely delivery, and cohesive execution while maintaining client involvement throughout the process.
Green Building
Keystones Green Building Program focuses on energy-efficient, eco-friendly construction. We incorporate recycled materials, advanced insulation, and Energy Star appliances to reduce environmental impact. Our homes meet rigorous standards like Earthcraft House certification, ensuring healthier living spaces and long-term cost savings for homeowners.
Residential Construction
We specialize in custom single-family homes, townhomes, and multi-family developments. Our team manages all phases, from site preparation to final finishes, prioritizing craftsmanship and client preferences. By addressing site-specific challenges, we create homes that harmonize with their natural surroundings and meet individual needs.
Commercial Development
Keystone develops and renovates commercial properties, including offices, warehouses, and retail spaces. We focus on revitalizing underutilized sites through adaptive reuse, environmental remediation, and modernization. Our expertise ensures functional, code-compliant spaces that add value for investors and tenants.
Property Management
Through affiliate WRT Management, we oversee commercial property portfolios totaling 4+ million square feet. Services include tenant relations, lease negotiations, maintenance, and financial oversight. Our hands-on approach maximizes asset performance while maintaining tenant satisfaction and long-term investment growth.
People
Michael Staiti
Owner
Michael Staiti has led the permitting of 700+ residential units and development of 1M+ sq ft of commercial real estate. His expertise in land use and zoning ensures projects meet regulatory standards while maximizing value.
Rick Olstein
Owner
Rick Olstein specializes in construction management and client collaboration. With decades of experience, he oversees project execution from design to completion, ensuring quality, budget adherence, and client satisfaction across residential and commercial ventures.
Questions
What types of residential projects does Keystone handle?
We build custom single-family homes, townhomes, and multi-family developments, tailored to client preferences and site-specific conditions.
Are Keystone homes energy efficient?
Yes. All homes meet Energy Star standards and incorporate green building practices like advanced insulation and low-flow fixtures.
Do you develop commercial properties?
Yes. We specialize in commercial redevelopment, including offices, warehouses, and retail spaces through adaptive reuse and modernization.
How does Keystone manage construction budgets?
We provide detailed cost breakdowns and regular updates, helping clients make informed decisions to stay on budget.
What areas do you serve?
We primarily serve Central Massachusetts, including Marlborough and surrounding communities for residential and commercial projects.
Can Keystone assist with design choices?
Yes. Our team offers full design services, guiding material selections and layout decisions to align with client tastes and functionality.
