Portsmouth, NH Office Units for Sale

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14 properties

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Updated: Aug 8

Ground-Floor Retail Condominium

53 Green St, Portsmouth, NH 03801

$1,195,000

2,828 sqft

2,828‑square‑foot ground‑floor commercial condominium
Cold, dark shell supports a customized interior build‑out
Two dedicated onsite parking spaces included
Anticipated delivery in Spring 2027
Waterfront setting within downtown Portsmouth

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This listing looks promising.

Here's a quick look at some key insights for

53 Green St, Portsmouth, NH 03801

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Est. Cap Rate

3.2%
NOI ÷ price
Est. NOI

$39K
Annual
Mortgage

$51.95M
Mar 2025
Last Sold

Jan 2025
$6M
Property Type

Office Building
Built 1920

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Updated: Jun 10

Medical Office Condominium

330 Borthwick Avenue, Portsmouth, NH 03801

$550,000

Medical office condominium in the Jackson Gray Medical Building
Directly across from Portsmouth Regional Hospital
On‑site parking with additional accessible parking spaces
Immediate access to I‑95 and the Portsmouth Rotary
Located just off U.S. Route 1

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Renovated Office Condominium Unit

118 Maplewood Avenue, Portsmouth, NH 03801

$250,000

Two-room office condominium with a full bathroom, assigned parking, and immediate occupancy availability.

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Recently Built Office Units

1-54 Maplewood Ave, Portsmouth, NH 03801

$3,440,000

4,862 sqft

Downtown commercial space includes on-site parking and access to nearby public parking options.

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Downtown Office Condominium Suite

118 Maplewood Avenue, #C1, Portsmouth, NH 03801

$450,000

951 sqft

Versatile office condo with three private offices, conference room, restroom, kitchenette, and two dedicated parking spaces.

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Downtown Office Condominium Suite

118 Maplewood Avenue, Unit C-1, Portsmouth, NH 03801

$450,000

951 sqft

Own a functional office condominium with private offices, a conference room, and dedicated on-site parking.

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Two-Building Flex Industrial Site

3601 Lafayette Road, Portsmouth, NH 03801

$1,300,000

2,615 sqft 4.50 AC lot

Two commercial buildings on 4.5 acres include offices and a rear workshop/warehouse with four drive-in doors.

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Office Condominium with Private Offices

C1-118 Maplewood Ave, Portsmouth, NH 03801

$450,000

951 sqft

Professional suite includes three enclosed offices, a flexible conference room, kitchenette, storage, and a private restroom.

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Renovated Furnished Office Unit

6 Greenleaf Woods Drive, Portsmouth, NH 03801

$249,000

1,418 sqft

Three private offices use glass walls and doors to balance separation with natural light.

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Medical Office Condominium Across Hospital

330 Borthwick Ave 210, Portsmouth, NH 03801

$550,000

Medical or professional users benefit from on-site parking and immediate access to major area routes.

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Office Units with Flexible Layout

500 Maplewood Ave # A, Portsmouth, NH 03801

Contact for pricing

8,202 sqft

Two-level office configuration with private rooms, collaborative areas, support spaces, and unfinished expansion capacity.

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Medical Office Suites with TI Allowance

25 New Hampshire Avenue, Portsmouth, NH 03801

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Medical or professional office suites at the Pease Tradeport are offered for sale or lease, delivered as-is with TI allowance.

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Office Condominium Suite

5-118 Maplewood Ave, Portsmouth, NH 03801

$250,000

Office condominium unit with two rooms, full bathroom, and 2 on-site parking spaces, renovated in 2024.

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Renovated Office Condominium Unit

118 Maplewood Avenue, Portsmouth, NH 03801

$250,000

Two-room office unit with a full bathroom and two on-site parking spaces, renovated in 2024 for immediate occupancy.

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Based on your search, we've compiled 19 Potential Opportunities for your consideration. Besides 14 Active listings in Portsmouth, NH, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 1 Off-Market properties to explore as potential leads

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Renovated Office Condominium

1 Brickyard Lane, York, ME 03909

$224,900

1,014 sqft 2.05 AC lot

Bright second-floor office suite with elevator access, private treatment rooms, kitchenette, and dedicated restroom.

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Second-Floor Medical Office Suite

1 Brickyard Lane Unit DD, York, ME 03909

$224,900

1,014 sqft

Sun-filled 1,014 sq ft second-floor office suite with elevator access, two private rooms, and a kitchenette in a condo building.

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Renovated Office Condo For Sale

29 Lafayette Road, North Hampton, NH

Contact for pricing

864 sqft 2.87 AC lot

Move-in ready office condo with income potential in prime location.

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Industrial Warehouse and Office Condos

12 Elm Rd, North Hampton, NH 03862

Contact for pricing

Five-unit property includes multiple condo industrial warehouse and office spaces with on-site parking and a grandfathered residence.

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Off-Market Properties in Portsmouth, NH

Consider similar Off-Market properties in Portsmouth, NH. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

Office Units

29 Maplewood Ave, Portsmouth, NH 03801

Value Estimation by Request

4,775 sqft

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Portsmouth, NH Office Units Market Trends and Statistics

Explore 15 office units for sale in Portsmouth, NH, showcased through 14 active listings on our real estate platform. These investment opportunities span a total of 22,778 square feet of properties for sale, with an estimated market value of $9,384,000.

Sale prices for office units in Portsmouth, NH start at $249,000, averaging $782,000, and reaching up to $3,440,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Demographics Overview

Population 23K

Population Growth (5Y) +2.9%

Median Household Income $106,520

College Educated 17.1%

High-Yield Neighborhoods for Investment

Identify Portsmouth submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood	Average Price
03801	$753.7K

Taxes & Financing

Tax Rate (average for all types) 1.49%

Property Tax per SF $10.47 per SF

Tax Rate vs County Average 0.23 pp below county avg

Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in Rockingham County

New Delisted

Total CRE Inventory on Market (SF)

Property Size Breakdown

The majority of commercial real estate listings in Portsmouth fall within the 100,000+ square foot range.

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