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Ambit Civil Engineering


Ambit Engineering, Inc. is a full service Civil Engineering and Land Surveying firm licensed in New Hampshire and Maine. Ambit Engineering, Inc. began in 1988 in Portsmouth, NH.  

The Company's philosophy is to provide professional design services that balance the needs of its clients with the requirements of public permitting agencies at a reasonable cost and in a timely fashion. Ambit Engineering, Inc.'s strength and ability to deliver comes from a team approach applied to each individual project based upon the client’s unique needs, requirements and desires. 

Our employees are constantly encouraged to refine and expand their knowledge and skill to ensure that the Company's work products are of the highest quality possible. The environmental, social, economic, and political aspects of each project are incorporated into the design process to minimize regulatory hurdles, change orders, and other costly delays.

Ambit Engineering, Inc. is conveniently located at 200 Griffin Road, Unit 3 in Portsmouth, New Hampshire. The Company serves the Seacoast Regions of New Hampshire and Southern Maine. We are fully licensed as Land Surveyors and Civil Engineers in Maine and New Hampshire. We are licensed as Septic System Designers in New Hampshire.

Contact Us

Ambit Engineering, Inc.
200 Griffin Road, Unit 3
Portsmouth, NH  03801

telephone 603-430-9282
fax 603-436-2315

Ambit Engineering's Services
Civil Engineering
Land Surveying
Land Use Consulting
Septic System Design
Regulatory Permitting


John Chagnon of Ambit Engineering was recently presented with 2 Map Contest Awards from the New Hampshire Land Surveyors Association (NHLSA) at the Association Annual meeting held in Concord, New Hampshire. The Map Awards were for maps submitted in the Color Presentation Map and Subdivision Plat categories for recently completed projects in Portsmouth and Greenland, New Hampshire. The plans were drafted by John Easter and Alan Marshall, Ambit employees. The NHLSA Map Contest is an annual event with submissions from New Hampshire Land Surveyors across the state. Ambit Engineering previously had winning maps in the 2002, 2004, 2005, and 2006 contests. The winning maps are presented to the UNH Thompson School of Applied Science, Berlin Voc-Tech and New England College for classroom use in their respective surveying curricula.


Ambit Engineering, Inc. recently assisted 3S Artspace with Planning Board Site Plan and Conditional Use Permit Approvals for their proposed facility at 319 Vaughan Street in Portsmouth, New Hampshire. 3S is planning a major renovation at this existing commercial building that will include a Gallery / Exhibit Hall, Performance Space, Artist Studios as well as a Farm-to-Table Restaurant. Recognizing the importance of the Arts to the vitality of Portsmouth and as an extension of Ambit’s commitment to outreach within the community Ambit provided Land Surveying and Civil Engineering services Pro – Bono to 3S Artspace. Ambit President John Chagnon was honored to be chosen to represent 3S throughout the permit process.


John Chagnon of Ambit Engineering was presented with a Presidential Citation from National Society of Professional Surveyors president Joseph M. Dolan at the annual awards ceremony held in St. Louis Missouri. The citation was awarded “in recognition of dedication and outstanding achievement for his efforts on the Trig Star program, on behalf of The National Society of Professional Surveyors”. Trig-Star is a competition sponsored by Land Surveyors throughout the country to determine the most highly skilled high school students in the USA at the practical application of trigonometry. The contest is sponsored nationally by the National Society of Professional Surveyors. In addition to serving on the NSPS Committee for Trig Star John has sponsored the Trig Star contest at Portsmouth High School and has coordinated the New Hampshire Land Surveyors State Trig Star Contest for 23 years. More information about the contest is available on the NSPS web site at: