Business Details
50+ Years
experience
Trusted Construction & Property Management Services in El Cajon, CA
Hamann Construction has served as a trusted leader in construction and property management since 1954. Founded by R.D. Hamann and now led by fourth-generation contractors Jeffery C. Hamann and Gregg Hamann, our company combines over seven decades of industry expertise with innovative solutions. Specializing in tilt-up commercial and industrial construction, we have completed over 50 million square feet of projects ranging from 5,000 to 350,000 square feet. Our in-house architectural team, led by California-registered architect Paul Giese, ensures seamless design and execution for complex developments. We maintain ownership of 5 million square feet of industrial properties, providing unique insights into long-term maintenance efficiency.With a focus on green building practices, LEED certification, and renewable energy solutions, we deliver sustainable value to clients across Southern California. Our security bonding capacity up to $35 million underscores our reliability for large-scale projects. From churches to cold storage facilities, our diverse portfolio demonstrates adaptability to specialized needs like humidity controls and vapor recovery systems. Backed by fourth-generation expertise and a commitment to client satisfaction, we approach every project with the stability of tradition and the energy of innovation.
Services
New Construction
Tenant Improvement
Solar Installations
Property Management
Land Development
Electrical Systems
Concrete Tilt-Up
Industrial Buildings
Energy Storage
Details
- Year established: 1954
Highlights and features
- Fourth-generation construction expertise since 1954
- In-house architectural and design capabilities
- Specialized experience with LEED certification and green building
- Security bonded up to $35 million for large projects
- Ownership of 5 million sq ft industrial portfolio provides operational insights
Services
New Construction
Hamann Construction specializes in large-scale commercial and industrial construction using tilt-up concrete methods. Our expertise covers complete building development from foundations to specialized systems, with projects ranging from 5,000 to 350,000 square feet. We incorporate energy-efficient designs and LEED-certified practices while maintaining strict budget and timeline controls.
Tenant Improvement
Our tenant improvement division handles projects from $20,000 to $3 million, including office renovations and complete building redevelopments. We manage all aspects of interior modifications while maintaining compliance with current building codes and accessibility standards, ensuring minimal disruption to ongoing business operations.
Solar Installations
Hamann Solar provides commercial solar solutions with over 12 megawatts of installed capacity. We offer rooftop systems, carport shade structures, and energy storage solutions with flexible financing options including power purchase agreements for nonprofits and businesses seeking tax incentive alternatives.
Property Management
Our full-service property management handles millions of square feet of commercial and industrial space across Southern California. Services include maintenance coordination, tenant relations, financial reporting, and lease administration for both third-party and company-owned properties.
Land Development
Hamann Land Development offers industrial land parcels in strategic San Diego and Riverside County locations. We facilitate build-to-suit developments with guaranteed construction by Hamann, providing complete site control and development solutions for custom commercial facilities.
People
Gregg Hamann
President
Fourth-generation construction leader with 40+ years in industrial real estate. Developed award-winning green buildings and owns 600+ palm species in El Cajon garden. Holds expertise in sustainable construction methods and international business operations.
Matthew Sanders
Chief Operating Officer
Former Fortune 100 consultant who stabilized $150M+ food distribution company. Holds finance degree from Baylor University and Lean Six Sigma certification. Oversees operational efficiency across all Hamann divisions.
Paul Giese
Chief Architect
Licensed architect with 25+ years at Hamann. Specializes in translating client needs into cost-effective designs. Coordinates project teams from concept through construction, with expertise in manufacturing, office, and educational facility planning.
Rich Anderson
Vice President
20+ year Hamann veteran who progressed from electrician to electrical division leader. Holds California electrical license and Title 24 lighting certification. Manages solar and electrical design, estimating, and project execution.
Aaron Armstrong
Vice President of Tenant Improvement
7-year Hamann leader focused on process improvement and client relationships. Oversees tenant improvement sales and project delivery. Specializes in value creation and team development within commercial renovation projects.
Questions
What construction services does Hamann offer?
We provide new commercial/industrial construction, tenant improvements, electrical systems, solar installations, and land development solutions across Southern California.
Do you handle large-scale projects?
Yes, we've completed buildings up to 350,000 sq ft with security bonding capacity up to $35 million for complex developments.
Are financing options available for solar projects?
We offer specialized financing including power purchase agreements for nonprofits and businesses seeking tax incentive alternatives.
What areas do you serve?
We primarily serve San Diego and Riverside Counties with construction, property management, and solar installation services.
Can you manage complete building redevelopments?
Our tenant improvement division handles projects from $20k to $3 million, including full building remodels and system upgrades.
Do you offer in-house design services?
Yes, our California-licensed architect and design team provides coordinated planning from concept through construction documentation.
