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Portsmouth, NH

Office Units

Portsmouth, NH Office Units for Lease

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Rye, NH Hampton, NH Greenland, NH North Hampton, NH Kittery, ME Stratham, NH Newington, NH Exeter, NH

66 properties

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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

Office Units with Dedicated Parking

Updated: Jul 30

Office Units with Dedicated Parking

303 Islington Street, Portsmouth, NH 03801

Contact for pricing

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

Second-Floor Office Unit

Second-Floor Office Unit

26 Market Square, Portsmouth, NH 03801

Contact for pricing

Upper-level workspace with views over Market Square in a historic 1803 building.

Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

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.

First-Floor Retail Space

First-Floor Retail Space

21 Daniel Street, Portsmouth, NH 03801

Contact for pricing

0.06 AC lot

Retail or office premises with additional basement area near Market Square.

Third-Floor Office Unit

Third-Floor Office Unit

159 Middle Street, Portsmouth, NH 03801

Contact for pricing

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

Renovated Office Units

Renovated Office Units

10 Vaughan, Portsmouth, NH 03801

Contact for pricing

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

Refurbished Office Suite with Patio

Refurbished Office Suite with Patio

282 Corporate Dr, Portsmouth, NH 03801

$3,154/Mo

3,365 sqft

Refurbished office suites offer multiple private offices, conference space, and an outdoor patio via a side entrance.

Renovated Office Units

Renovated Office Units

10 Vaughan, Portsmouth, NH 03801

Contact for pricing

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

Renovated Office Suites

Renovated Office Suites

10 Vaughan, Portsmouth, NH 03801

Contact for pricing

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

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.

Flex Space with Office Buildout

Flex Space with Office Buildout

500 Maplewood Avenue, Portsmouth, NH 03801

Contact for pricing

1.12 AC lot

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

Waterfront Mixed-Use Property

Waterfront Mixed-Use Property

One Harbour Place, Portsmouth, NH 03801

Contact for pricing

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

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.

Office Unit with Tidal Flats Views

Office Unit with Tidal Flats Views

4 greenleaf woods Drive, Portsmouth, NH 03801

Contact for pricing

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

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.

Office Space for Lease

Office Space for Lease

405 The Hill, Portsmouth, NH 03801

$795/Mo

350 sqft

Available office space totaling 350 SqFt at 405 The Hill in Portsmouth, NH.

Second-Floor Office Suite with Patio

Second-Floor Office Suite with Patio

96 Penhallow Street, Portsmouth, NH 03801

$3,700/Mo

1,300 sqft

Second-floor office suite with private restroom and access to shared outdoor patio space, available immediately.

Office Units With Dedicated Parking

Office Units With Dedicated Parking

303 Islington Street, Portsmouth, NH 03801

$4,000/Mo

1,430 sqft

Professional office layout includes reception, conference, and private work areas with dedicated rear parking.

Retail and Office Building

Retail and Office Building

72 Mirona Rd, Portsmouth, NH 03801

$17.50 SF/Yr

5,381 sqft

Two-floor retail and office layout with ample parking and convenient highway access for a wide range of users.

Office Suites with Elevator Access

Office Suites with Elevator Access

300 Constitution Avenue 200-b, Portsmouth, NH 03801

$14 SF/Yr

62,322 sqft

Second-floor suites offer flexible layouts, abundant windows, elevated ceilings, and shared elevator service.

Downtown Portsmouth Office Suites Available

Downtown Portsmouth Office Suites Available

501 Islington St Suite 3, Portsmouth, NH 03801

$15 SF/Yr

8,644 sqft

Office suites for lease in downtown Portsmouth, NH.

Renovated Office Space Available

Renovated Office Space Available

210 West Rd 5B, Portsmouth, NH 03801

$1,800/Mo

1,000 sqft

Office space for lease in Lafayette West Industrial Park.

Retail/Office Space For Lease

Retail/Office Space For Lease

72 Mirona Rd Suite 3, Portsmouth, NH 03801

$17 SF/Yr

2,050 sqft 4.17 AC lot

2,050± SF retail/office space with ample parking.

Portsmouth, NH Office Units Lease Rates & Market Statistics

Explore 66 Office Units for lease in Portsmouth, NH on Realmo, a commercial real estate exchange covering the Portsmouth area. The current inventory totals 366,245 square feet of properties — an average of ~5,550 SF per listing.

Asking lease rates for Office Units in Portsmouth start at $1.11 SF/Yr, average $18.63 SF/Yr, and reach $37 SF/Yr at the top of the market. At $18.63 SF/Yr, the local average runs 6% above New Hampshire's state average of $17.63 SF/Yr.

Portsmouth accounts for 33% of the 198 office units currently available across Rockingham County, where nearby markets include Londonderry and Hampton. Office Units make up 89% of the 74 Office Spaces currently for lease in Portsmouth, with asking rates in line with the citywide Office Spaces average. Also worth a look for tenants weighing alternatives: Medical Office Space (12 listings) and Creative space (10 listings) elsewhere in the Portsmouth market.

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