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San Diego, CA

James Duncan, SIOR

Executive Vice President | Shareholder
Contact
T 858.369.3015 james.duncan@kidder.com
12230 El Camino Real, 4th Floor
San Diego, CA 92130
LIC N°
01253770
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About

James Duncan is an Executive Vice President with Kidder Mathews in San Diego, California, specializing in the sales and leasing of warehouse, manufacturing and Flex/R&D properties throughout San Diego County.

During his 27+ year career in commercial real estate, James has negotiated sale and lease transactions totaling over 14 million square feet for a total consideration of over $2 billion. Prior to joining Kidder Mathews in 2015, James worked with Cushman & Wakefield/Burnham Real Estate for 16 years.

Professional Achievements

2017-2018

top ten southwest producer

2020-2022

top ten southwest producer

Affiliations

Member Society of Industrial and Office Realtors (SIOR)
2023 – 2025 SECRETARY/ TREASURER – SIOR, San Diego Chapter
Member NAIOP Commercial Real Estate Development Association
Member Industrial Asset Management Council

Education

Bachelor of Science degree in business administration, with emphasis in real estate, San Diego State University
Bachelor of Arts degree in psychology, San Diego State University

Industrial Real Estate Brokerage in Greater San Diego, CA

James Duncan is part of Kidder Mathews’ industrial real estate team in San Diego, which includes Mickey Morera, Jeff Brown and Danna Tiu. The team helps clients buy, sell, lease, and invest in industrial properties throughout San Diego County, with services including:

  • Leased-Investment sales
  • Landlord representation
  • Tenant representation
  • Acquisitions
  • Dispositions
  • Sale-leasebacks
  • Demographic analysis
  • Market research
  • Lease-versus-own analysis
  • Site selection

Who James Works With

James Duncan advises the following industrial real estate clients across Greater San Diego, California:

  • Developers
  • Private owners
  • Family offices
  • Institutional owners
  • Real Estate Investment Trusts
  • Private equity firms
  • High-net-worth investors
  • 1031 exchange buyers
  • Owner-occupiers
  • Tenants

His work with these types of clients includes investment sales, acquisitions, dispositions, sale-leasebacks, leasing, and recapitalizations involving warehouse buildings, manufacturing buildings, Industrial Outdoor Storage (IOS) land, and Flex/R&D buildings.

Leased Investment Acquisition & Disposition

James works with industrial property owners and investors on leased-investment pricing strategy, market positioning, buyer targeting, negotiation, and transaction execution. His advisory work focuses on helping clients understand property value, market timing, lease structure, tenant credit, and the investor demand driving industrial building pricing.

Owner-Occupier Purchase & Sales

James also advises owner-occupiers on their company’s purchase or sale of industrial real estate, by helping determine the appropriate facilities for their specific needs. This involves assessing a building’s suitable size for their current (and future growth) needs, amount of office vs. industrial area, warehouse clear height, power infrastructure (Amps and Volts), dock high loading doors, grade level (drive-in) loading doors, fire suppression systems, as well as the potential tax savings from completing a Cost Segregation utilizing 100% Bonus Depreciation.

James Duncan’s geographic coverage is Greater San Diego, CA, which includes:

  • Carlsbad
  • Carmel Mountain Ranch
  • Chula Vista
  • El Cajon
  • Escondido
  • Kearny Mesa
  • Lakeside
  • Miramar
  • National City
  • Oceanside
  • Otay Mesa
  • Poway
  • Rancho Bernardo
  • San Diego
  • San Marcos
  • Santee
  • Scripps Ranch
  • Sorrento Valley
  • Spring Valley
  • Vista

Significant Assignments

534,000 SF
Vantage Point

Completed the largest industrial lease in San Diego County history in a speculative project, 2020

299,000 SF
Kearny Mesa Logistics Center

Completed the second largest industrial lease in San Diego County history in a speculative project, 2021

702,000 SF
Ridgeview Industrial Park

Completed $180,000,000 industrial park sale, the largest of its kind in San Diego County History, 2024

Available Properties

Recent Wins

100K SF
Lease

2611 Business Park Dr, Vista, CA

28K SF
Lease

12215 Kirkham Rd, Poway, CA

130K SF
Sale

12220 Scripps Summit Dr, San Diego, CA

7K SF
Sale

11415 W. Bernardo Dr, Ranch Bernardo, CA

61K SF
Sale

13400 Danielson St, Poway, CA

15K SF
Lease

6749 Top Gun St, Sorrento Valley, CA

111K SF
Sale

1111 Pioneer Wy, El Cajon, CA

77K SF
Sale

555 Tulip St, Escondido, CA

10K SF
Sale

9530 Dowdy Dr, Miramar, CA

48K SF
Lease

6740 Cobra Wy, Sorrento Valley, CA

Frequently Asked Questions

What is my industrial property worth in San Diego?

The value of an industrial building depends on a number of factors such as age, condition, location, current buyer demand and overall market conditions. Other factors that influence the value of a leased investment property are tenant credit, lease term, occupancy, net operating income and debt. James Duncan provides broker opinions of value for industrial property owners evaluating a potential sale, refinance, recapitalization, or sale-leaseback.

How do I sell an industrial building in San Diego?

Selling an industrial building starts with an accurate valuation, a clear positioning strategy and targeted outreach to qualified industrial real estate buyers. James Duncan and the Kidder Mathews industrial team market industrial properties to local, regional, and national buyers, including REITs, private equity firms, 1031 exchange buyers, local investors, and owner-occupiers.

Can James Duncan help with an industrial property sale-leaseback?

Yes. James Duncan advises manufacturing, logistics and flex/R&D companies evaluating sale-leaseback strategies. A sale-leaseback can allow an owner-occupier to sell the real estate, unlock equity, and continue occupying the property under a long-term lease without the major disruption and expense of relocating their business.

How do I buy or lease an industrial building in San Diego?

James Duncan works with investors, owner-occupiers and tenants seeking to acquire industrial buildings across Greater San Diego. He assists with sourcing, underwriting, market analysis, negotiation, and transaction execution.

What types of industrial properties does James Duncan specialize in?

James Duncan’s practice spans logistics (warehouse/distribution) properties, manufacturing facilities, flex/R&D buildings and Industrial Outdoor Storage (IOS) land. He is experienced in these product types from over 27 years of completing leased-investment sales, owner-occupier sales, sale-leasebacks, and landlord and tenant representation.

What areas does James Duncan cover?

James Duncan works throughout San Diego County, including San Diego, Sorrento Valley, Miramar, Kearny Mesa, Poway, Scripps Ranch, Rancho Bernardo, Carmel Mountain Ranch, Santee, Lakeside, El Cajon, Spring Valley, Escondido, San Marcos, Vista, Carlsbad, Oceanside, National City, Chula Vista and Otay Mesa.

Why work with James Duncan for industrial real estate in San Diego?

James Duncan is part of one of the most active industrial real estate brokerage teams in Greater San Diego. Furthermore, James Duncan is a member of the Society of Industrial and Office Realtors (SIOR), representing the world’s top producing brokers. SIORs are the most capable and experienced industrial and office brokerage practitioners in any market.

Can James Duncan help with a 1031 tax deferred exchange into an industrial property?

Yes. James Duncan assists investors and owner-occupiers evaluating opportunities for 1031 exchanges into industrial buildings. He explains the requirements of a 1031 exchange, helps identify potential replacement properties and complete such a transaction within the respective timelines.

How do I contact James Duncan?

You can reach James Duncan by phone at (858) 369-3015, by email at james.duncan@kidder.com, or through his LinkedIn profile. James Duncan offers free initial consultations for industrial building owners, investors and tenants considering a real estate transaction.

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WE KNOW THE Western US.
IN FACT, WE’RE ITS LARGEST INDEPENDENT COMMERCIAL REAL ESTATE FIRM.

For nearly 60 years, our clients have gotten the best of both worlds — independent counsel from trusted experts, working as part of the largest privately held commercial real estate firm on the Western US.

Today Kidder Mathews has over 900 real estate professionals and staff in 20 offices in Washington, Oregon, California, Nevada, Arizona and Texas.

We offer a complete range of brokerage, appraisal, property management, consulting, and debt and equity finance services for all property types, giving our clients the competitive edge they need.

Commercial Brokerage

 

$9B

TRANSACTION TOTAL (AVG Annual Volume)

 

500+

NO. OF
BROKERS


Valuation Advisory

 

2,700+

ASSIGNMENTS (AVG Annual)

 

42/23

TOTAL NO. OF APPRAISERS / MAIS


Asset Services

 

55M

SF PORTFOLIO SIZE

 

800+

ASSETS UNDER MANAGEMENT