100 Borthwick Ave

1,862 - 30,456 SF of Office Space Available in Portsmouth, NH 03801

HIGHLIGHTS

  • Quality office suites ranging from 1,862± SF to 10,304± SF
  • Excellent visibility and signage potential
  • Conveniently located directly off US Route 1 and Exit 3 of I-95
  • Flexible options with layouts consisting of private offices, open collaborative space, conference rooms, and kitchenettes
  • Neighboring Borthwick Avenue tenants include Portsmouth Regional Hospital, Liberty Mutual, Highliner Foods, and numerous medical users
  • Generous Tenant Improvement Allowance of $100.00/SF!

ALL AVAILABLE SPACES(8)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 1st Floor, Ste 101
  • 3,526 SF
  • Negotiable
  • $28.00 /SF/YR
  • Office
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
  • 1st Floor, Ste 101/102
  • 5,388 SF
  • Negotiable
  • $28.00 /SF/YR
  • Office
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
  • 1st Floor, Ste 102
  • 1,862 SF
  • Negotiable
  • $28.00 /SF/YR
  • Office
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
  • 1st Floor, Ste 103
  • 4,142 SF
  • Negotiable
  • $28.00 /SF/YR
  • Office
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
  • 1st Floor, Ste 103/104
  • 7,464 SF
  • Negotiable
  • $28.00 /SF/YR
  • Office
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
  • 1st Floor, Ste 104
  • 3,322 SF
  • Negotiable
  • $28.00 /SF/YR
  • Office
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
  • 1st Floor, Ste 105
  • 2,840 SF
  • Negotiable
  • $28.00 /SF/YR
  • Office
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
  • 2nd Floor, Ste 202
  • 1,912 SF
  • Negotiable
  • $28.00 /SF/YR
  • Office
  • -
  • Now
  • Lease rate does not include utilities, property expenses or building services
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 101 3,526 SF Negotiable $28.00 /SF/YR Office - Now
1st Floor, Ste 101/102 5,388 SF Negotiable $28.00 /SF/YR Office - Now
1st Floor, Ste 102 1,862 SF Negotiable $28.00 /SF/YR Office - Now
1st Floor, Ste 103 4,142 SF Negotiable $28.00 /SF/YR Office - Now
1st Floor, Ste 103/104 7,464 SF Negotiable $28.00 /SF/YR Office - Now
1st Floor, Ste 104 3,322 SF Negotiable $28.00 /SF/YR Office - Now
1st Floor, Ste 105 2,840 SF Negotiable $28.00 /SF/YR Office - Now
2nd Floor, Ste 202 1,912 SF Negotiable $28.00 /SF/YR Office - Now

1st Floor, Ste 101

Size
3,526 SF
Term
Negotiable
Rental Rate
$28.00 /SF/YR
Space Use
Office
Condition
-
Available
Now

1st Floor, Ste 101/102

Size
5,388 SF
Term
Negotiable
Rental Rate
$28.00 /SF/YR
Space Use
Office
Condition
-
Available
Now

1st Floor, Ste 102

Size
1,862 SF
Term
Negotiable
Rental Rate
$28.00 /SF/YR
Space Use
Office
Condition
-
Available
Now

1st Floor, Ste 103

Size
4,142 SF
Term
Negotiable
Rental Rate
$28.00 /SF/YR
Space Use
Office
Condition
-
Available
Now

1st Floor, Ste 103/104

Size
7,464 SF
Term
Negotiable
Rental Rate
$28.00 /SF/YR
Space Use
Office
Condition
-
Available
Now

1st Floor, Ste 104

Size
3,322 SF
Term
Negotiable
Rental Rate
$28.00 /SF/YR
Space Use
Office
Condition
-
Available
Now

1st Floor, Ste 105

Size
2,840 SF
Term
Negotiable
Rental Rate
$28.00 /SF/YR
Space Use
Office
Condition
-
Available
Now

2nd Floor, Ste 202

Size
1,912 SF
Term
Negotiable
Rental Rate
$28.00 /SF/YR
Space Use
Office
Condition
-
Available
Now

PROPERTY OVERVIEW

Quality office suites ranging from 1,862± SF - 10,304± SF available for lease.

PROPERTY FACTS

Building Type
Office
Year Built/Renovated
1978/2005
Building Height
3 Stories
Building Size
47,745 SF
Building Class
A
Typical Floor Size
15,915 SF
Parking
543 Surface Parking Spaces
  • Listing ID: 33377168

  • Date on Market: 2/3/2025

  • Last Updated:

  • Address: 100 Borthwick Ave, Portsmouth, NH 03801