Business Details
50+ Years
experience
Your Trusted Commercial Real Estate Partner in Diamond Bar, CA
Ashwill Associates has been a trusted leader in commercial real estate since 1968, with a legacy rooted in the creation of Ashwill-Burke & Company. Over the past 30+ years, our team has served the San Gabriel Valley and Inland Empire markets, offering unmatched expertise in sales, leasing, investments, and development. Our reputation is built on decades of repeat clients who value our in-depth market knowledge, strategic local insights, and personalized service. We specialize in navigating complex real estate challenges, from ground-up development to lease negotiations, ensuring clients achieve their financial and operational goals.With a team of seasoned professionals, we provide comprehensive solutions tailored to commercial property owners, investors, and tenants. Our affiliations with industry leaders like SIOR and AIR further cement our authority in industrial and office real estate. By combining innovation with integrity, we empower clients to maximize property value in a dynamic marketplace. Our mission remains clear: align client objectives with actionable market intelligence to drive long-term success.
Services
Commercial Sales
Leasing Services
Investment Analysis
Development Consulting
Site Selection
Tenant Representation
Land Acquisition
Market Valuation
1031 Exchange Assistance
Strategic Planning
Details
- Year established: 1968
Highlights and features
- We have 30+ years of specialized expertise in San Gabriel Valley and Inland Empire markets.
- Our team provides actionable market intelligence for sales, leasing, and development strategies.
- 85%+ client retention rate demonstrates consistent delivery of superior transaction outcomes.
- Affiliations with SIOR and AIR ensure access to premium industry resources and networks.
- We offer end-to-end solutions from land acquisition to complex lease negotiations and 1031 exchanges.
Associations and certifications
- Society of Industrial and Office Real Estate (SIOR)
- American Industrial Real Estate Association (AIR)
What people say
Repeat clients
Superior client service
Extensive experience
Market expertise
Strategic insights
Services
Commercial Sales
We facilitate commercial property sales with precision, leveraging 30+ years of market experience. Our brokers execute transactions averaging $950M in value, providing tailored strategies for property owners and investors. From industrial warehouses to office complexes, we deliver optimal sale pricing through targeted marketing and competitive bidding processes.
Leasing Services
Our leasing experts negotiate favorable terms for tenants and landlords across 10M+ sq ft of commercial space. We specialize in lease expansions, renewals, and build-to-suit arrangements, ensuring cost-effective occupancy solutions that align with business objectives while maintaining broker neutrality.
Investment Analysis
We provide data-driven investment analysis for commercial property acquisitions and dispositions. Our team evaluates market trends, comparable sales, and financial projections to guide clients in maximizing returns on industrial and commercial real estate investments.
Development Consulting
From land entitlements to ground-up development, our consultants guide clients through every stage of commercial real estate projects. With expertise in zoning regulations and entitlement processes, we help transform undeveloped sites into profitable commercial assets.
Site Selection
We deliver strategic site selection solutions tailored to business requirements. Our market analysis considers transportation logistics, demographic factors, and zoning regulations to identify optimal locations for warehouse, manufacturing, and office facilities across Southern California.
People
Greg Ashwill
Founder
Greg Ashwill founded Ashwill Associates in 1987 after starting his career at CBRE. He specializes in industrial real estate development and investment sales, completing over $950M in transactions across 3M+ sq ft of space. A SIOR member since 1987, he serves on Sunwest Bank's credit committee.
Mitch Ashwill
Founding Partner
Mitch Ashwill co-founded Ashwill Associates in 1987 and has managed over $1B in commercial real estate transactions. Recognized twice as L.A. Economic Development Corporation's Broker of the Year, he specializes in land acquisitions and industrial park developments across 280 acres.
David Brackmann
Principal
David Brackmann brings 35 years of industrial real estate expertise to Ashwill Associates. With 980+ transactions exceeding 14M sq ft, he specializes in complex lease negotiations, 1031 exchanges, and environmental compliance solutions for commercial property owners and tenants.
Cory Lewis
Senior Vice President
Cory Lewis has executed 400+ commercial real estate transactions totaling $250M in value. As a Senior Vice President since 1999, he focuses on San Gabriel Valley industrial properties, specializing in acreage sales and tenant representation for distribution facilities.
Edward Lee
Senior Vice President
Edward Lee combines fluency in Mandarin Chinese with 15+ years of industrial real estate experience. His expertise includes representing clients in the City of Industry and Inland Empire markets, with a focus on cross-cultural transactions and contractor relations.
Questions
What commercial real estate services do you offer?
We provide comprehensive services including property sales, leasing, investment analysis, development consulting, site selection, and 1031 exchange assistance across industrial, warehouse, and office spaces.
Which geographic markets do you specialize in?
Our primary focus areas include the San Gabriel Valley and Inland Empire regions of Southern California, with specialized knowledge of local zoning regulations and market dynamics.
How experienced is your team?
Collectively, our brokers have completed over 2,000 transactions exceeding 25 million square feet of commercial space since 1968, with many team members having 25+ years of industry experience.
What sets Ashwill Associates apart from competitors?
We differentiate through location-specific expertise, a 90%+ client retention rate, and a founder-led approach that prioritizes personalized service over volume-driven brokerage models.
Do you handle 1031 tax-deferred exchanges?
Yes, we specialize in facilitating 1031 exchanges and reverse exchanges, with brokers trained in IRS-compliant transaction structures to optimize clients' investment tax strategies.
Reviews (1)
Fay Fay
Jul 11, 2020
Report
I work with Sean this week. Really good service
He always reply me fast and responds to me as soon as possible. Even after his working hour he still reply back fast to me. He is the most patient agent I have ever met! I strongly recommend that everyone find him as your agent! You will have a great experience!
He always reply me fast and responds to me as soon as possible. Even after his working hour he still reply back fast to me. He is the most patient agent I have ever met! I strongly recommend that everyone find him as your agent! You will have a great experience!