Building Custom Commercial Real Estate Programs Since 2007
Todd Nathanson is the Founder and President of illi Commercial Real Estate, a Southern California brokerage, property management, and investment advisory firm headquartered in Woodland Hills. Since launching illi in 2007, Todd has built a firm dedicated to multi-tenant, Triple Net leased commercial real estate, delivering custom, non-template programs for every owner he serves.
Over his 40-year career, Todd has been part of nearly 5,800 lease and sales transactions and has mentored more than 150 agents. illi has earned CoStar’s “Power Broker” designation every year since its founding and has ranked #1 in Southern California for total annual lease transaction volume for seven consecutive years.
40+ Years
Commercial Real Estate Experience
5,800+
Lease & Sales Transactions Completed
#1 in Southern California
CoStar-Ranked Annual Lease Volume, 7 Consecutive Years
150+ Agents
Recruited, Trained & Mentored Since Founding illi
Areas of Expertise
Landlord Representation
Full-service leasing and advisory support for owners of multi-tenant, Triple Net retail and commercial centers across Southern California.
Property Management
Custom, non-template property management programs built around each owner's specific investment and property needs.
Shopping Center Repositioning
Transforming underperforming multi-tenant centers into stable, well-leased, higher-value assets.
Big-Box Re-Tenanting
Strategic re-tenanting and subdivision of large-format retail spaces to restore occupancy and NOI.
Tenant Mix Strategy
Curating the right blend of tenants to drive traffic, occupancy, and long-term center performance.
Acquisitions & Dispositions
Guiding owners and investors through the purchase and sale of income-producing, multi-tenant commercial properties.
Markets Served
Todd represents owners, investors, and tenants of multi-tenant, Triple Net commercial properties throughout Los Angeles, Ventura, and Orange counties, including:
Frequently Asked Questions
A strong tenant mix balances complementary businesses, meets local consumer demand, and drives cross-shopping between tenants. We evaluate the trade area and existing tenant roster, then recommend leasing strategies that grow foot traffic, occupancy, and long-term property value.
Owners should look for a manager who builds a program around their specific property and investment goals rather than applying a one-size-fits-all approach. That means responsive maintenance oversight, clear financial reporting, and a team that treats the asset like its own.
In a Triple Net lease, the tenant pays a base rent plus their share of property taxes, insurance, and common area maintenance. It's the standard structure for most multi-tenant retail and commercial centers, and understanding it up front helps both landlords and tenants avoid disputes later.
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Building Custom Commercial Real Estate Programs Since 2007
