List Search

40 Pleasant St
Portsmouth, NH 03801 Downtown Portsmouth

$1,468 - $5,000 USD/MO

Office For Lease  •  587+ SF

Property Details

  • Property Type Office
  • Year Built 1860
  • Total Building Size 24,237 SF
  • Tenancy Multiple
  • Building Class C
  • Zoning CD5
0 Transit Score
97 Walk Score

4 Spaces Available

Name Space Use Size Rent Details
Ll Floor Ste Basement Flex 2,000 SF $30.00 USD/SF/YR
This basement-level commercial suite offers a unique opportunity for a variety of uses including restaurants, offices, service-based businesses, fitness concepts, or specialty retail. The space features an open layout that can be customized to suit a tenant’s operational needs. Located on the basement level of the Custom House building, this unit displays some of the most historical features of the property, with barrel brick ceilings, exposed stone walls, wood floors, and wooden beams. 

Depending on the proposed use, tenant improvements may be required to meet applicable code requirements. For example, restaurant or food service concepts may require the installation of a sprinkler system and additional buildout. Ownership is open to working with qualified tenants.

This suite presents an excellent opportunity for businesses seeking adaptable space with the ability to tailor the layout and buildout to their specific concept.

  • Date available: Apr 2026
  • Lease term: 5 Years
  • Service type: Modified Gross
  • Space Type: New
2nd Floor Ste 201 Flex 823 SF $27.00 USD/SF/YR
  • Date available: Apr 2026
  • Lease term: Negotiable
  • Service type: Modified Gross
  • Space Type: New
2nd Floor Ste 202 Office 587 SF $30.00 USD/SF/YR
  • Date available: Apr 2026
  • Lease term: Negotiable
  • Service type: Modified Gross
  • Space Type: New
2nd Floor Ste 203 & 205 Flex 961 SF $30.00 USD/SF/YR
  • Date available: Apr 2026
  • Lease term: Negotiable
  • Service type: Modified Gross
  • Space Type: New

Description

The Custom House is a premier commercial property located at the corner of State Street and Pleasant Street in the heart of downtown Portsmouth. With 11 total commercial spaces and 8 active businesses, including the popular Five Thai Bistro and new Howling Wolf Taqueria, this property offers a prime location for small offices, business suites, and restaurant spaces. Situated in a highly walkable area, tenants and visitors enjoy immediate access to Portsmouth’s vibrant restaurants, shops, and cultural attractions. The property is secure, meticulously maintained, and managed by a responsive team dedicated to supporting your business’s success.

Property Flyers

Amenities

  • Atrium
  • Restaurant
  • Monument Signage

Public Transportation

AirportDriveWalkDistance
Portsmouth International at Pease 11 min - 4.5 mi
Manchester Boston Regional 69 min - 49.5 mi
David Schleyer 603-502-5987 Chinburg Management
David Schleyer 603-502-5987 Chinburg Management