Hillsborough County · New Hampshire

Engineering Services in Manchester

MEP, structural, civil, and energy-compliance engineering for Manchester projects — permitted through City of Manchester Department of Planning and Community Development, Building Services and designed to the city's adopted codes and amendments.

Services in Manchester

Manchester Design Environment

Permit Office (AHJ)
City of Manchester Department of Planning and Community Development, Building Services
Building Code
2018 New Hampshire State Building Code, based on the 2018 I-Codes, with state amendments
Energy Code
2018 IECC / ASHRAE 90.1-2016 under the New Hampshire State Energy Code
Electric Utility
Eversource Energy

Manchester zoning, site-plan, fire, floodplain, and public-works requirements supplement the statewide code. Local review can impose access, parking, stormwater, and infrastructure conditions even though the technical building code is statewide.

Manchester's market includes advanced manufacturing, aerospace and defense, healthcare, higher education, office conversion, logistics, and multifamily development along the I-93/Route 3 corridor. Older mill and industrial buildings create recurring adaptive-reuse, hazardous-material, utility, and structural coordination needs.

One Organization, Connected Delivery

Manchester Engineering FAQs

Who reviews commercial permits in Manchester, New Hampshire?
Manchester Building Services is the municipal building and trade reviewer, with zoning, fire, site, and utility review as applicable. NHDES permits may be separate for larger earth disturbance, wetlands, or shoreline work.
What code and energy standard apply in Manchester?
New Hampshire's statewide code is based on the 2018 I-Codes with state amendments; commercial energy compliance follows the 2018 IECC with ASHRAE 90.1-2016 as an alternate. Manchester local site and fire requirements still apply.
What site conditions should Manchester projects investigate?
Snow and deep frost, shallow granite or ledge, glacial soils, fill, winter drainage, and Merrimack River flood exposure can affect feasibility. A geotechnical report and NHDES/City stormwater screening should precede final grading and foundation decisions.

Verified Local Sources

Reviewed 2026-09-11. Code editions and local requirements can change; confirm the current requirements with the authority having jurisdiction before design.

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Build in Manchester with Apex Grid

Commercial permit applications go through Manchester Building Services for building and trade review, with zoning, fire, site, and utility coordination as applicable. Larger earth disturbances, wetlands, or shoreline work can require separate New Hampshire Department of Environmental Services permits in addition to the City permit.

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