Leasing & Management

Comprehensive leasing and management focused on long-term property success.

Real Estate Sales

Representing commercial & residential buyers and sellers across San Diego County.

Project Development

Helping property owners with acquisition, renovations, and construction management.

Lease Consultation

Providing expert insight on lease structure, performance, and portfolio management.

Who We Are

Commercial Property Management Tailored to Your Property

We bring attentive, hands-on management to every property we oversee. From tenant coordination to maintenance oversight and lease negotiations, our approach is built on responsiveness, transparency, and a commitment to protecting your investment.

27+

Years of Experience

Why Us

Why Choose GMBC?

Whether you’re a property owner, investor, or business seeking reliable management support, GMBC is here to help. Reach out today to learn how we can simplify your real estate needs and protect your investment.

With nearly three decades in San Diego County, GMBC understands the needs of local owners and tenants. Our long-standing relationships and on-the-ground experience help us anticipate issues before they arise. You get knowledgeable guidance backed by years of proven results.

Being family-owned means your property never feels like just another address. We take a hands-on approach shaped by decades of local involvement. It’s real estate management with heart, history, and genuine care.

We believe great management starts with clear, timely communication. From updates to issue resolution, you’re never left guessing. We stay proactive so you always know what’s happening with your property.

We focus on building stability through strong, lasting relationships with tenants and owners. By fostering trust and communication, we help reduce turnover and maintain consistent occupancy. Our long-term approach creates smoother operations and stronger investments.

Why Our Clients Love Us

What Our Clients Say

The stories our clients share speak to our focus on quality service, responsiveness, and consistent results.

Neva Hartjen

The Hartjen 1983 Family Trust

“GMBC Real Estate has been managing, leasing and handling acquisitions for my family’s properties for over 25 years. With their expert advice and professionalism they have helped us to grow and almost triple our portfolio. There is no one else I would trust with my real estate needs – we couldn’t be happier!?”

L. Boylan

President/CEO Orange Directories, LLC

“My business has been a tenant of GMBC for more than seven years and we are extremely happy with the proactive, responsive, respectful treatment we receive.”

Contact Us

Connect With GMBC Real Estate

Whether you have a question or would like to schedule a consultation, we are here to help with any property or service inquiries. Reach out anytime and we will respond promptly.

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