Commercial Construction Management & Owner’s Representative Services

Construction Management

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Management Team

Mar Ventures has delivered over 2 million square feet of commercial construction projects totaling more than $1 billion in value. Our experience ranges from $500,000 tenant improvement projects to ground-up developments exceeding $150 million.

Based in El Segundo, California, we provide commercial construction management and owner’s representative services, including GMP contract oversight, for private developers, institutional owners, and public agencies throughout Southern California. Since 1991, we have successfully managed complex ground-up, repositioning, and tenant improvement construction projects across office, industrial/logistics, retail/mixed-use, government, residential, and sports facility asset classes.

Mar Ventures is a hands-on construction management firm providing:

Owner’s Representative Services
CMAR & GMP Contract Oversight
Budget & Schedule Control
Contractor Procurement & Negotiation
Risk Management & Cost Containment

We act exclusively in the owner’s interest, delivering cost control, schedule discipline, and risk mitigation across every phase of construction.

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What our clients say

About Mar Ventures Construction Management

Mar Ventures' expertise and innovative solutions ensured the project's success. Their team was friendly, professional, and efficient, maintaining excellent communication from start to finish. I am extremely grateful for this experience and highly recommend Mar Ventures.

Jeanny Yang Hwang

My experience working with Mar Ventures on a range of multimillion-dollar projects in Los Angeles was extremely rewarding. Their experience in navigating the entitlements and permitting process with LADBS, managing contractors, and focus on timely project delivery contributed significantly to our successful project outcomes. I highly recommend Mar Ventures for their exceptional skills and look forward to future collaborations.

Joshua Breeden

HKS

About mar Ventures
Construction Management

Mar Ventures offers innovative, cost-efficient construction management solutions, ensuring adherence to timelines and budgets from pre-design to project completion. Our qualified managers enhance value and efficiency through constructability reviews, scheduling, and estimating. We specialize in collaborative approaches to manage intricate projects, providing effective construction administration and management.

Our services streamline workflow, enhance transparency, elevate quality, and optimize time and cost in order to have projects finish on time and on budget.