5 Newest Commercial Listings in Portsmouth, NH

#1 · Listed Nov 6, 2026

111 New Hampshire Avenue

111 New Hampshire Ave, Portsmouth, NH 03801

2,325 SF·Negotiable

Bldg. Class: C

#2 · Listed Nov 4, 2026

Vaughan Mall Office Spaces

10 Vaughan Mall, Portsmouth, NH 03801

448 – 3,404 SF·$18.00 – $29.00/SF ($672 – $8,226/mo)

#3 · Listed Nov 3, 2026

2968 Lafayette Road

2968 Lafayette Road, Portsmouth, NH 03801

$5,750/mo

Samonas Realty

#4 · Listed Nov 3, 2026

25 Maplewood Avenue

25 Maplewood Avenue, Portsmouth, NH 03801

8,712 SF·$34.50/SF NNN ($25,047/mo)

Bldg. Class: B

Samonas Realty

#5 · Listed Oct 30, 2026

135 Commerce Way

135 Commerce Way, Portsmouth, NH 03801

2,324 SF·$19.50/SF NNN ($3,777/mo)

3 units

bow street llc