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Sales Associate

  • Email
  • Phone
    • (973) 224-4605 mobile
    • (201) 891-6700 office
    • (201) 848-3413 direct
    • (862) 345-1091 fax
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Bill's Listings


President’s Premier Team 


Previews Property Specialist (Previews Prop. Spec.), Cartus Network Inventory Specialist (CNIS), Cartus Network Marketing Specialist (CNMS), Cartus Network Referral Specialist (CNRS)

More about Bill Boswell


After entering real estate in 2005, Bill has built his reputation as a prominent real estate professional in the traditional residential and luxury markets serving Bergen, Morris, Essex, Hudson and Passaic counties. He is a Coldwell Banker Previews International Property Specialist, specializing in the marketing of luxury homes. In 2013, Boswell was announced by Realtor Magazine as a member of its prestigious 30 Under 30 Class, a group of young professionals across the country who exemplify “the ingenuity, dedication and prowess that’s raising the bar in real estate today.” Boswell combines knowledge of his local market with focused online marketing to reach today’s buyers and sellers further and faster.

Boswell Aiosa & Co.

Bill co-founded Boswell Aiosa & Co. with Ronald “Ron” Aiosa of Coldwell Banker Residential Brokerage in Kinnelon. The team is also comprised of 2 Buyer Specialists, Stephanie Andronaco and Donna Nelson, as well as a Rental Specialist, Mark Mielke, and is supported by a full-time client relations and administrative staff.

The team has ranked among the Top 5 affiliated teams in the company for 2014 and is ranked No. 1 for total units sold. The team also attained the Coldwell Banker International President’s Premier Team Award following its successful sales year in 2014. This honor places Boswell Aiosa & Co. within the Top 3% of approx. 2,500 Coldwell Banker sales teams in the U.S. and Canada.

“Bill and Ron have a made a great impact in their marketplaces, developing a stellar reputation for pleasant customer service and outstanding results. I am excited to congratulate them for their multiple accolades in 2014,” said Hal Maxwell, President of Coldwell Banker Residential Brokerage.

Boswell and Aiosa were each named Platinum Level recipients of the NJAR® Circle of Excellence Sales Award® for 2014, the highest level recognized by NJ Realtors®. They both have also qualified for the NJAR® Distinguished Sales Club® Award, a recognition attained after receiving the NJAR® Circle of Excellence Sales Award® for 10 years. In addition, Boswell was acknowledged for his exceptional service as one of its Five Star Real Estate Agents in 2015. They were ranked No. 68 and No. 69, respectively, on the 2014 REAL Trends Best Real Estate Agents in America list of NJ’s top real estate sales professionals based on closed transaction sides.