152 Main Street; New London, NH 03257

Economically Efficient & Environmentally Sound Civil Engineering Solutions


Site Design, Design, Planning, Permitting

Right Angle Engineering, PLLC, can take your project from initial concepts through design, permits, and construction.  Erin Darrow, P.E., C.P.S.E.C., has been providing  economically-efficient and environmentally sound civil engineering solutions for municipal, residential, commercial, and industrial clients throughout New Hampshire and Vermont for more than fourteen years. 


Bridge Design

Right Angle Engineering, PLLC, assists municipalities with bridge and culvert replacements.  This bridge on Lovejoy Brook Road in Enfield, New Hampshire was funded with a grant from the Federal Emergency Management Agency.  We can help you go through planning, design, permitting, and construction.

Erin Darrow, P.E., C.P.E.S.C.

Erin Darrow, P.E., owner, has eighteen years of experience practicing civil engineering across New England.  A native of New Hampshire, she prides herself in providing beautiful, practical, and cost-efficient solutions to her clients.  She will put together a team of experts that will best suit your project to bring you success.


Contact Us

Drop us a line!

We'd love to hear from you!

Right Angle Engineering, PLLC

152 Main Street; New London, NH 03257

(603) 526-2807 / info@rightangle.engineering