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909 Islington St 2,525 SF of Flex Space Available in Portsmouth, NH 03801

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FEATURES

Drive In Bays
1
Standard Parking Spaces
50

ALL AVAILABLE SPACE(1)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 1st Floor - 3
  • 2,525 SF
  • 5 Years
  • $41.88 CAD/SF/YR $3.49 CAD/SF/MO $105,741 CAD/YR $8,812 CAD/MO
  • Flex
  • Full Build-Out
  • 2026-02-01

Set within a beautifully restored mill-style building, this space combines historic character with modern functionality. Featuring tall ceilings, abundant natural light from new windows, and a private entrance, the unit offers a flexible layout suitable for a wide range of uses — from professional office or studio to customer-facing retail or service concepts. The Landlord will deliver the premises in conditioned shell condition and provide a Tenant Improvement Allowance to support customization. Recent building improvements include a new roof, upgraded common bathrooms, and enhanced building systems. Tenants also benefit from access to landscaped outdoor green space and ample on-site parking for employees and visitors. With its blend of authentic mill architecture and modern upgrades, this space provides the ideal canvas for your business to thrive.

  • Listed rate may not include certain utilities, building services and property expenses
  • Recent building improvements
  • Flexible layout
  • High Ceilings
  • Abundant natural light
Space Size Term Rental Rate Space Use Condition Available
1st Floor - 3 2,525 SF 5 Years $41.88 CAD/SF/YR $3.49 CAD/SF/MO $105,741 CAD/YR $8,812 CAD/MO Flex Full Build-Out 2026-02-01

1st Floor - 3

Size
2,525 SF
Term
5 Years
Rental Rate
$41.88 CAD/SF/YR $3.49 CAD/SF/MO $105,741 CAD/YR $8,812 CAD/MO
Space Use
Flex
Condition
Full Build-Out
Available
2026-02-01

1st Floor - 3

Size 2,525 SF
Term 5 Years
Rental Rate $41.88 CAD/SF/YR
Space Use Flex
Condition Full Build-Out
Available 2026-02-01

Set within a beautifully restored mill-style building, this space combines historic character with modern functionality. Featuring tall ceilings, abundant natural light from new windows, and a private entrance, the unit offers a flexible layout suitable for a wide range of uses — from professional office or studio to customer-facing retail or service concepts. The Landlord will deliver the premises in conditioned shell condition and provide a Tenant Improvement Allowance to support customization. Recent building improvements include a new roof, upgraded common bathrooms, and enhanced building systems. Tenants also benefit from access to landscaped outdoor green space and ample on-site parking for employees and visitors. With its blend of authentic mill architecture and modern upgrades, this space provides the ideal canvas for your business to thrive.

  • Listed rate may not include certain utilities, building services and property expenses
  • High Ceilings
  • Recent building improvements
  • Abundant natural light
  • Flexible layout

PROPERTY OVERVIEW

The West End has quickly become one of Portsmouth’s most dynamic and desirable commercial districts. Anchored by a diverse mix of local retailers, restaurants, breweries, fitness studios, and creative office users, the neighborhood has transformed into a vibrant hub for both businesses and residents. Strategically located along Islington Street and within walking distance to downtown, the West End offers strong visibility, high daily traffic counts, and easy access to Route 1 and I-95. Significant investment in redevelopment and adaptive reuse has modernized historic mill and industrial buildings, creating a unique mix of character and functionality that appeals to today’s tenants. With new multifamily and mixed-use developments adding density and foot traffic, the West End continues to attract professional services, healthcare users, boutique retailers, and destination dining concepts. Ample parking, a strong residential base, and ongoing infrastructure improvements make the neighborhood a premier choice for businesses seeking growth within the Portsmouth market.

WAREHOUSE FACILITY FACTS

Building Size
36,308 SF
Lot Size
1.73 AC
Year Built
1910
Zoning
CD4-W

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 1st
  • American Export Building Supply Inc
  • Retailer
  • 1st
  • Bridge Appliances
  • Professional, Scientific, and Technical Services
  • 1st
  • Eclips Salon
  • Services
  • 1st
  • Inhouse Digital
  • -
  • 1st
  • Loaded Question Brewing
  • Manufacturing
  • 1st
  • New Museum Of Portsmouth, Inc.
  • Arts, Entertainment, and Recreation
  • 1st
  • Portsmouth Community Radio
  • Arts, Entertainment, and Recreation
  • 1st
  • Pro Portsmouth
  • Services
  • 1st
  • Ross Engineering
  • Professional, Scientific, and Technical Services
  • 1st
  • Seacoast Power Yoga
  • Arts, Entertainment, and Recreation
Walk Score®
Very Walkable (79)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 37409504

  • Date on Market: 2025-08-25

  • Last Updated:

  • Address: 909 Islington St, Portsmouth, NH 03801

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