Mason-McDuffie Financial Corporation, an affiliate of INTERVEST-Mortgage Investment Co., specializes in the origination and servicing of commercial mortgage investments. The company was formed in 1982 by the managing partners and officers of the commercial loan department of Mason-McDuffie Company, a diversified real estate general partnership originally established in 1887.

In 2006, Mason-McDuffie Financial Corporation became an affiliate of INTERVEST-Mortgage Investment Co., a wholly-owned subsidiary of Sterling Savings Bank, in Spokane, Washington. INTERVEST is headquartered in Lake Oswego, Oregon, a suburb of Portland, and has offices located throughout the Western United States. Mason-McDuffie Financial Corporation /INTERVEST has offices in Oakland, Walnut Creek and Sacramento, California.

Locations and Lending Regions

Oregon / SW Washington (Headquarters)
INTERVEST-Mortgage Investment Co.,
5005 SW Meadows Road, Suite 400, Lake Oswego, OR 97035-4291
503-684-4570

Washington / Puget Sound
Peter W. Wong Associates
321 Parkplace, Suite 120, Kirkland, WA 98033-6202
800-508-8568 / 425-828-1404

Eastern Washington / Idaho / Montana
Peter W. Wong Associates
505 W. Riverside, Suite 450, Spokane, WA 99201-0513
800-436-6192 / 509-358-6192

San Francisco Bay Area
Mason-McDuffie Financial Corporation
2030 Franklin Street, 7th Floor, Oakland, CA 94612-2914
510-622-8500

Mason-McDuffie Financial Corporation
1646 N. California Boulevard, Suite 330, Walnut Creek, CA 94596-4170
925-274-1848

Northern California
Mason-McDuffie Financial Corporation
2270 Douglas Boulevard, Suite 215, Roseville, CA 95661-4239
916-780-3072