Gregory Whalen

Senior Advisor

NAI Norwood Group
28 Deer Street Suite 301
Portsmouth, New Hampshire 03801
United States
T +1 603 637 2019
M 16036747800

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Development, Industrial, Investment, Advisory / Consulting, Buyer Representation, Landlord Representation, Tenant Representation

Scope of Experience

Gregory W. Whalen, Regional Vice President. With over thirty five years of practical real estate experience in the New Hampshire seacoast area, Mr. Whalen has developed an expertise in the areas of development, project and feasibility analysis, site selection, regulatory approvals, financing, property management, construction management, consulting, marketing and brokerage.

Background & Experience

Exec VP/Director James A. Shanley Corp., Realtors, Portsmouth, NH. 1972-1980.

Founder, Director and COO, Whalen & Gamester, Real Estate Brokers and Property Managers, Portsmouth, NH, 1981-1991. Positioned the growth of the company during the decade of the 1980’s into the premiere residential and commercial/industrial brokerage and property management firm in the southeastern New Hampshire seacoast area.

Founder and President of Seaboard-Whalen Real Estate Management, Inc., Portsmouth, NH, 1992-2006. Provided property management, asset management, construction management and brokerage services to the office, industrial and retail markets with over 2.5 million square feet under direct, third party management extending from the NH seacoast to Manchester to Boston.

Mr. Whalen has also served as a general partner in numerous real estate development entities responsible for several pioneering commercial and residential projects in the NH seacoast over the past three decades.


BA, Ripon College, Ripon, Wisconsin, Political Science
U.S. Army, Defense Language Institute/Foreign Language Center, Presidio of Monterey, Monterey, California
CCIM Courses of Study
CPM Courses of Study

Professional Associations & Designations

Licensed Broker in New Hampshire and Maine

Transaction History

$20.2M disposition of Harbour Place, 110,000sf Class A+ Office Building located directly on the waterfront, Portsmouth, NH.

Site selection, feasibility analysis and regulatory approvals for the Residences at Ryegate, a 117 unit gated luxury condominium community, Portsmouth, NH.

Sale of the former Robertshaw Controls building in Kingston, NH, a 170,000sf warehousing and distribution facility.

Site selection, feasibility analysis and regulatory approvals for two 100,000sf R&D and corporate office buildings at 273 and 325 Corporate Drive, Pease International Tradeport, Portsmouth, NH.

Consultant and owner’s rep for The Independence Block, a newly constructed 30,000sf mixed-use office and retail building, Portsmouth, NH.

$3.2M sale of 17 acres of industrial land, the site of the former Exxon/Mobil tank farm, Newington, NH.