David Choate | Colliers International | Portsmouth

David Choate

Executive Vice President | New Hampshire

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Professional Summary

I have more than 35 years of commercial real estate experience and am licensed in New Hampshire, Maine, and Massachusetts. I have been the managing partner of the Colliers International office in Portsmouth since 1991. In that role, I am responsible for all aspects of the company’s activities, including brokerage, new business generation, and various consulting assignments. Over the years, I have had the pleasure of working with Wells Fargo, Manulife, Citizens Bank, Edward Jones, ConvenientMD, Exeter Hospital, the City of Dover, the University System of New Hampshire, and many more. In my career, I have been involved in transactions totaling over $360,000,000.

Prior to joining Colliers International, I worked at The Robbins Group of New Hampshire, Inc. as a Regional Manager, and at Bradgate Associates, Inc. where I was a Land Acquisition Manager.


> Represented Novocure in the leasing of 54,000 SF in two building with a total lease value of more than $5.0M. 
> Represented Northeast Rehabilitation Health Network in a 50 year ground lease worth more than $4.25M.
> Sold a 140,885 square foot manufacturing building for $4.25M for ThermoFisher Scientific.
> Negotiated a 22,383 square foot lease worth more than $3.2M for Novocure, Inc.
> Represented Southern New Hampshire University in a 19,451 SF lease renewal worth more than $2.25M.
> Sold 41 acres of land for student housing for $1.75M to Capstone Development Co.
> Sold a 52,224 square foot industrial building for $3.02M to an investor.
> Represented Riverwoods in the purchase of land for $1.45M for a continuing care retirement community.
> Sold 7.96 acres for a Holiday Express for $1.0M.
> Sold 25,400 SF industrial building for $1.625M for partial conversion to an indoor shooting range.
> Represented Comcast in a 36,000 square foot lease renewal of industrial and office space worth more than $1.2M.
> Sold 100,025 square foot former community college building on 89.9 acres for $2.75M to an investor.
> Represented ConvenientMD in a 5,326 square foot urgent care center lease worth more than $1.5M.
> Sold 10,984 square foot office building on 12.96 acres for $1.34M to a private investor.

> Colliers International – 2013 to 2016 & 2018 Everest Club
> Colliers International | New Hampshire – Top Producer 2005, 2006, 2008, 2010, 2011, 2013, 2014, 2015, 2016 & 2018
> National Association of Realtors®  – 2014 National Commercial Award
> NHCIBOR – 2002 & 2014 Realtor of the Year
> The Housing Partnership – 2012 “Pro Bono Publico” award
> Grubb & Ellis Company – 2006 Circle of Excellence


> Lafayette College, Easton, PA – BA, French
> US Chamber of Commerce – Institutes for Organization Management
> Tufts University and Middlebury College – Graduate Studies

Memberships & Involvements

> NH Commercial Investment Board of Realtors
> New Hampshire Association of Realtors 
> National Association of Realtors 
> Northern New England Real Estate Network

> The Housing Partnership – Board of Trustees
> The Music Hall – Founding Trustee and Past President
> NHSPCA – Board of Directors
> NEREN – Board of Directors
> NH Preservation Alliance – Board Member
> Regional Economic Development Corporation – CEDS Steering Committee
> Rye Historic District Commission – Board Member
> Rye Demolition Review Committee – Member


>  Novocure
>  Retirement Trust
> Thompson Investment Casting
> Eversource 
> H&R Block
> People's United Bank
> Edward Jones


"In early 2012 our foundry business was given nine months to vacate our rented 30,000 SF facility in Rochester.  We contacted several realtors and quickly found David Choate was the one who could offer both Greenfield sites as well as an existing building.  He worked with us and the seller of an existing building to get us moved within the timeframe we needed. This year David contacted us again with an opportunity to purchase an abutting property, and again his diligence and professionalism won that property for us.   The level of complexity of the second purchase seemed to me daunting but was handled by David and his group in a systematic and expert manner.  Colliers will be the only call we will make should we need property services."

Mike Haley, Vice President
Thompson Investment Casting
“When Novocure decided to establish its 10,000 square foot operations headquarters in Portsmouth, we turned to David Choate. David lined up several good options based upon our requirements and knew details of each option that exceeded my expectations.
When we selected the property we wanted to pursue, David helped us negotiate a very favorable lease including alerting us to potential problems with the building that were addressed in the lease. His local knowledge and vast experience in the marketplace allowed us to assemble a team of advisors who successfully guided us through the lengthy lease and fit up negotiation processes. This was an important move for us and we needed to get it right and, with David Choate’s help, we achieved that objective. He would be on the top of my list for advising another company on a similar move.”

Mike Ambrogi

“As seller of my Trust’s 25,000+ SF industrial property in Rochester, NH, selecting David Choate as our Broker was an easy choice. David and staff are diligent, professional and well known in the commercial real estate market.
David took control of the sale and saw it through to the end. Without his steadfast commitment, we may not have closed in a timely fashion. David Choate gets results!”

Retirement Trust


“We can't find enough superlatives to express our appreciation for everything David Choate did for us during our search for new office space.
His professionalism, thoroughness, kindness and care were phenomenal.
David helped us find fabulous office space which met our needs and our budget. He was with us every step of the way during the negotiation process and continues to support us even though we have moved in. We are extremely grateful for his patience and good humor in working with three business partners who had no previous experience with commercial leases and office space.
We are very appreciative and recommend him highly.”

Carol R. Minotti, LMFT
Phyllis W. Mackey, LMFT
Tia Madaffari Hackett, LMFT
Harbor Point Individual & Family Therapy, PLLC



Mixed-Use Properties
Service Lines
Capital Markets, Landlord Representation, Tenant Representation
Property Types
Land, Office, Retail, Multifamily

My Team

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Featured News
Jul 8, 2020
4,776 SF Leases at MillBrook Office Park in Stratham, NH
David Choate and Abigail Morneault of Colliers’ Portsmouth office represented Cummings Lamont & McNamee, PLLC in the long-term lease of 4,776 SF of office space at 118 Portsmouth Avenue in Stratham, NH.
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Nov 13, 2019
Two Brokers from Colliers Honored on NH 200
Yearlong research initiative by the editors of NH Business Review reveals leaders across major industries.
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Nov 13, 2019
Two Brokers from Colliers Honored on NH 200
Yearlong research initiative by the editors of NH Business Review reveals leaders across major industries.
Read More
May 21, 2019
Choate Honored as a Top Company Achiever
Leading local commercial real estate broker, David Choate, recognized as Colliers' top producer for 2018.
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