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Portsmouth, NH Office Spaces for Lease

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70 properties
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Fully Serviced Workspace Options at Portsmouth. Contact us today to book a tour!
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Office Space with Open Layout
Updated: Oct 16, 2024
Office Space with Open Layout

500 Maplewood Ave, Portsmouth, NH 03801

$10 SF/Yr
8,202 sqft 1.12 AC lot
8,202 SF office property on 1.12 acres
First floor includes 8 private offices and 2 conference or team rooms
3,921 SF unfinished second‑floor area for storage or additional office space
Open first‑floor showroom or bullpen area
Kitchen, 2 restrooms, and storage rooms
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Office Units with Dedicated Parking
Updated: Jul 30
Office Units with Dedicated Parking

303 Islington Street, Portsmouth, NH 03801

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0.11 AC lot
Office layout includes reception, conference, and separate private office areas
Eight dedicated parking spaces located behind the office
Additional street parking available
0.11‑acre property at 303 Islington Street, Portsmouth, NH 03801
Zoned CDR‑L2
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Three-Room Office Suite
Three-Room Office Suite

1 Greenleaf Woods Drive, Portsmouth, NH 03801

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Shared office arrangement with kitchenette, waiting area, and restroom access with shower.

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Professional Office Unit with Natural Light
Professional Office Unit with Natural Light

4 Greenleaf Woods Dr Unit 301, Portsmouth, NH 03801

$595/Mo
6,414 sqft

Recently upgraded office unit in a managed campus setting with shared reception, kitchenette, private bath, and on-site parking.

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Shared Office Suite
Shared Office Suite

1 Greenleaf Woods Drive, Portsmouth, NH 03801

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Office space includes shared access to a restroom, shower, kitchenette, and waiting area.

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Shared Office Suite
Shared Office Suite

1 Greenleaf Woods Drive, Portsmouth, NH 03801

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Office setting with kitchenette, waiting area, and shared restroom with shower.

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Shared Office Suite
Shared Office Suite

1 Greenleaf Woods Drive, Portsmouth, NH 03801

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Includes a kitchenette, waiting area, and shared restroom with shower.

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Second-Floor Office Units
Second-Floor Office Units

72 Mirona Road Suites 21 & 22, Portsmouth, NH 03801

$17 SF/Yr
3,331 sqft

Flexible workspace with on-site parking and convenient access from Route 1 and I-95.

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Third-Floor Office Unit
Third-Floor Office Unit

159 Middle Street, Portsmouth, NH 03801

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Downtown workspace with shared-area services, on-site parking, and a kitchenette.

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Renovated Office Units
Renovated Office Units

10 Vaughan, Portsmouth, NH 03801

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Three bright, flexible suites offer updated finishes and layouts for a range of professional office uses.

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Second-Floor Office Suites
Second-Floor Office Suites

300 Constitution Avenue, Portsmouth, NH 03801

$900/Mo
62,322 sqft

Two office configurations offer elevator access, tall ceilings, and abundant windows.

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Renovated Office Units
Renovated Office Units

10 Vaughan, Portsmouth, NH 03801

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Flexible downtown workspace offers high ceilings, natural light, and layouts that can be combined.

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Renovated Office Suites
Renovated Office Suites

10 Vaughan, Portsmouth, NH 03801

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Three flexible professional suites offer natural light, high ceilings, and layouts suitable for varied office configurations.

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Two-Story Office Suite with Showroom
Two-Story Office Suite with Showroom

500 Maplewood Ave Unit A, Portsmouth, NH 03801

$10 SF/Yr
8,202 sqft

Two-floor office layout with multiple private offices and unfinished second-floor space, offered on an NNN lease.

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Flex Space with Office Buildout
Flex Space with Office Buildout

500 Maplewood Avenue, Portsmouth, NH 03801

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1.12 AC lot

Leasable workspace combines finished offices, collaborative areas, storage, and expansion capacity under a NNN structure.

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Waterfront Mixed-Use Property
Waterfront Mixed-Use Property

One Harbour Place, Portsmouth, NH 03801

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Downtown commercial space with river views, structured parking, and access to Portsmouth’s business, dining, and cultural district.

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Two-Story Retail and Office Suite
Two-Story Retail and Office Suite

72 Mirona Rd Suites 21 & 22, Portsmouth, NH 03801

$17 SF/Yr
3,331 sqft

Two-story space with on-site parking and flexible layout for retail or office operations.

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Office Unit with Tidal Flats Views
Office Unit with Tidal Flats Views

4 greenleaf woods Drive, Portsmouth, NH 03801

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Recently upgraded office unit with natural light, on-site parking, and utilities and internet included.

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First-Floor Corner Office Unit
First-Floor Corner Office Unit

1 Cate St #1A, Portsmouth, NH 03801

$22 SF/Yr
2,420 sqft

Brick walls, metal beams, and on-site parking add practical character to this first-floor office setting.

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Renovated Office Units
Renovated Office Units

10 Vaughan Unit 208, Portsmouth, NH 03801

$3,500/Mo
1 sqft

Three flexible suites offer natural light, tall ceilings, and layouts suited to professional office use.

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First-Floor Corner Office Suite
First-Floor Corner Office Suite

1 Cate Street, Portsmouth, NH 03801

$22 SF/Yr
2,420 sqft

Brick walls and metal beams add character to a quiet, accessible workspace.

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Renovated Downtown Office Units
Renovated Downtown Office Units

10 Vaughan Unit 210, Portsmouth, NH 03801

$2,000/Mo
1,302 sqft

Three flexible suites offer high ceilings, abundant natural light, and layouts suited to professional office use.

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Retail and Office Space Available
Retail and Office Space Available

72 Mirona Rd Suite 3, Portsmouth, NH 03801

$17 SF/Yr
3,331 sqft

Retail and office spaces with ample parking and flexible layout.

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Renovated Office Suites
Renovated Office Suites

10 Vaughan Unit 209, Portsmouth, NH 03801

$3,000/Mo
1,067 sqft

Three flexible office suites feature bright interiors, elevated ceilings, and layouts that can be combined for larger requirements.

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Portsmouth, NH Office Spaces Lease Rates & Market Statistics

Explore 70 Office Spaces for lease in Portsmouth, NH on Realmo, a commercial real estate exchange covering the Portsmouth area. The current inventory totals 381,588 square feet of properties — an average of ~5,450 SF per listing.

Asking lease rates for Office Spaces in Portsmouth start at $1.11 SF/Yr, average $18.89 SF/Yr, and reach $40 SF/Yr at the top of the market. At $18.89 SF/Yr, the local average runs 9% above New Hampshire's state average of $17.33 SF/Yr.

Portsmouth accounts for 34% of the 203 office spaces currently available across Rockingham County, where nearby markets include Salem and Londonderry. By space type, the market includes 64 office units, 10 creative space listings and 6 medical office space listings — medical office space options typically offer the lowest entry point, while creative space commands the highest rates.

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