Business Details
44 Years
experience
Custom Sustainable Construction & Renovation Experts
Klockner has been a leader in custom construction and sustainable building for over 41 years. Our approach combines time-tested techniques with innovative materials and designs to deliver durable, energy-efficient homes and structures. We specialize in new construction, renovations, and green building projects that prioritize environmental responsibility and client satisfaction. Our team holds certifications including LEED AP and LEED Green Associate, reflecting our commitment to industry excellence. With licenses in Virginia, Maryland, and Washington, DC, we serve clients across the Mid-Atlantic region.Our reputation for meticulous craftsmanship and problem-solving expertise has earned us accolades like the Arlington County Green Choice Award and features in prominent homebuilding publications. We work closely with homeowners to transform ideas into reality, ensuring seamless project execution from initial design to final completion. Our focus on clear communication and integrity has fostered long-term relationships with clients and partners alike. From LEED-certified homes to historic restorations, we build not just structures but enduring legacies for future generations.
Services
Custom Home Building
Energy-Efficient Kitchens
Open Floor Plans
Additions & Restorations
Green Building
Details
- Year established: 1982
Highlights and features
- 41 years of combined experience in sustainable construction
- LEED-certified professionals on staff
- Specialized in energy-efficient building techniques
- Proven problem-solving approach for complex projects
- Award-winning designs recognized by industry experts
Associations and certifications
- LEED AP Building Design & Construction
- LEED Green Associate
- Maryland Responsible Land Disturber Certification
- Virginia Class A License
- Maryland MHIC
- Montgomery County Builders License
- District of Columbia GC/CM License
What people say
Spectacular results
Top level quality
Fantastic problem solver
Well built
Delighted with the house
Services
Custom Home Building
We design and build custom homes using sustainable materials and energy-efficient techniques. Our team ensures every detail meets client specifications while maintaining environmental responsibility. Projects range from modern additions to full-scale residences.
Energy-Efficient Kitchens
Specialized kitchen renovations incorporating natural materials and energy-saving appliances. We optimize layouts for functionality while reducing environmental impact through sustainable sourcing and construction methods.
Additions & Restorations
From three-story additions to historic restorations, we extend living spaces while preserving architectural integrity. Our process includes structural reinforcement, modernization, and seamless integration with existing elements.
Green Building
We implement LEED-certified practices using recycled materials and energy-efficient systems. Our approach reduces environmental impact while creating durable, healthy living environments for homeowners.
Open Floor Plans
We transform traditional spaces into contemporary open-concept designs. Our team ensures structural integrity while maximizing natural light and creating functional, flow-through living areas.
People
Joseph Klockner
Founder
With over 41 years in sustainable construction, Joseph established Klockner's reputation for excellence. He pioneered the integration of traditional techniques with modern green building practices, shaping the company's client-focused philosophy.
Larry Neal
Project Manager
A LEED-certified expert with decades of experience, Larry specializes in complex renovations. Clients praise his problem-solving skills and ability to manage intricate projects while maintaining clear communication throughout the construction process.
Angel Martin
Lead Carpenter
Angel brings 15+ years of craftsmanship to every project. His attention to detail ensures precision in both structural and aesthetic elements, contributing to the company's award-winning results across residential and commercial builds.
Marty Viger
Construction Supervisor
Marty oversees daily operations with a focus on quality control. His expertise in sustainable materials and energy-efficient systems helps maintain the company's high standards while mentoring junior team members.
Questions
What types of construction projects do you specialize in?
We specialize in custom home building, energy-efficient renovations, and sustainable construction projects across the Washington, DC metro area.
Are you certified in green building practices?
Yes, our team holds LEED AP and LEED Green Associate certifications, ensuring we meet the highest standards in sustainable construction.
How do you handle complex renovation projects?
We use proven problem-solving approaches and maintain clear communication throughout each phase to ensure successful outcomes for challenging renovations.
What areas do you serve?
We operate throughout Maryland, Virginia, and Washington, DC, including Takoma Park, Bethesda, Arlington, and surrounding communities.
Can you work with historic properties?
Yes, we have experience with historic restorations while incorporating modern energy-efficient solutions that preserve architectural integrity.
What sets you apart from other builders?
Our combination of 41 years' experience, LEED-certified expertise, and commitment to client satisfaction creates unique, durable spaces that exceed expectations.
