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Your Trusted Partner for Real Estate Investment Solutions
De Mattheis Investments is a full-service boutique real estate investment company dedicated to transforming properties into exceptional investments. With over 35 years of experience, we specialize in the strategic acquisition, development, and management of high-potential apartment complexes and shopping centers across the United States. Our hands-on approach ensures meticulous attention to detail in every project, from land acquisition through construction to long-term property management. We prioritize prime locations with strong market barriers to guarantee rental demand and resilience against economic fluctuations. Our teams expertise in navigating regulatory approvals, securing financing, and curating tenant mixes has consistently delivered above-market returns for investors.

By maintaining ownership stakes in each investment, we align our interests with those of our partners, ensuring sustained success. Our commitment to proactive management and tenant satisfaction has fostered loyalty among residents and merchants, driving industry-leading occupancy rates. With a focus on New Jersey, Pennsylvania, Connecticut, and New York, we capitalize on opportunities in thriving markets to maximize portfolio growth. Our principals deep industry knowledge and disciplined investment evaluation process have solidified our reputation as a trusted leader in real estate investment. We pride ourselves on transparency, ethical practices, and delivering measurable value to investors, tenants, and communities alike.
Services
Strategic Acquisitions Property Development Investment Management Leasing Services Tenant Relations
Details
  • Year established: 2006
Highlights and features
  • We offer 35 years of proven expertise in real estate investment and management.
  • Our hands-on approach ensures meticulous oversight of every project detail.
  • We focus on prime locations with strong market barriers for stable returns.
  • Our team maintains ownership stakes in all investments to align investor interests.
  • We guarantee proactive management and tenant satisfaction across all properties.
Services
Strategic Acquisitions
We identify and acquire income-producing properties in high-growth markets. Our disciplined evaluation process ensures optimal locations with strong demographic and economic fundamentals. By leveraging market insights, we secure assets that align with investor goals for long-term value creation.
Property Development
Our team manages full-cycle development projects from land acquisition to construction completion. We specialize in revitalizing underperforming assets through modernization and adaptive reuse. This approach maximizes returns while meeting evolving market demands in targeted regions.
Investment Management
We provide comprehensive asset management services to ensure sustained profitability. Our strategies include proactive market adjustments, equity maintenance, and performance optimization. With direct oversight of all operations, we deliver consistent returns aligned with investor objectives.
Leasing Services
Our leasing experts curate high-quality tenant mixes to enhance property value. By collaborating with retail brokers, we attract desirable merchants that drive cross-shopping and maximize occupancy rates. This strategic approach ensures long-term tenant retention and revenue stability.
Tenant Relations
We prioritize tenant satisfaction through responsive service and community-building initiatives. Our on-site management teams address resident needs promptly while fostering vibrant living environments. This commitment to quality enhances retention and reinforces our reputation for excellence.
People
Mark S. De Mattheis
Principal and Founder
Founded De Mattheis Investments in 2006 after leading family real estate ventures since 1990. Holds NJ Real Estate License and serves on multiple industry boards. Specializes in acquisitions, development, and management of commercial properties nationwide.
Questions
What types of properties does De Mattheis Investments focus on?
We specialize in income-producing apartment complexes and neighborhood shopping centers across the northeastern United States.
How long has the company been in business?
The founder established the company in 2006, building on 16 years of prior family real estate experience since 1990.
Which geographic markets do you operate in?
We focus on high-growth areas in New Jersey, Pennsylvania, Connecticut, and New York.
How does De Mattheis ensure investment returns?
Through strategic acquisitions in prime locations, hands-on management, and maintaining ownership stakes to align investor interests.
What sets your property management approach apart?
Our proactive, detail-oriented management includes market responsiveness, tenant satisfaction initiatives, and direct oversight of all operations.