Photo of One New Hampshire Avenue
6
Class A Office · General

One New Hampshire Avenue

Portsmouth, NH 03801

Available spaces

3 for lease · asking rates · updated Sep 25, 2026

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Suite 203

$18.50/SF/yr NNN
Size 6,150 SFAvailable Now≈ Monthly $9,481

An Amenity-Rich and ENERGY STAR certified Property in a Class A Office Park. This is the epitome of a high-end office building. The entrance, featuring flags and a multi-level water feature, will lead visitors into an elegant lobby complete with extensive tilework and a grand staircase. Looks are not the only thing this building has to offer. This three-story office building, totaling almost 108,000 square feet, offers underground parking, a cafe, a tenant-only fitness center, a nine-hole putting green and more. Available 11/1/19, this space combines private offices and open office area in our flagship office building.

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Suite 206

$18.50/SF/yr NNN
Size 2,000 SFAvailable Now≈ Monthly $3,083

An Amenity-Rich and ENERGY STAR certified Property in a Class A Office Park. This is the epitome of a high-end office building. The entrance, featuring flags and a multi-level water feature, will lead visitors into an elegant lobby complete with extensive tilework and a grand staircase. Looks are not the only thing this building has to offer. This three-story office building, totaling almost 108,000 square feet, offers underground parking, a cafe, a tenant-only fitness center, a nine-hole putting green and more.

Suite 209 at One New Hampshire Avenue

Suite 209

$18.50/SF/yr NNN
Size 1,859 SFAvailable Now≈ Monthly $2,866

Office space in a Class A building.

The building

Building
108,000 SF · 3 floors · 2001
Site
5.45 Acres · LI zoning
Systems
Gas
Occupancy
Multi-tenant
Submarket
Boston-Cambridge-Newton

Comps

Comparable sales and lease data is available to members only.
RD
Russ Doyle · Two International Group
Lists 3 of 3 spaces