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Portsmouth Industrial Condo For Sale

280 Heritage Ave, Portsmouth, NH 03801

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For Sale

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Modern 5,100 SF industrial condo in Portsmouth, NH for sale.

Type:Industrial

Property size:

5,100 SF

Price / SF:

$191/SF

HighLights

Fully‑occupied by a solid credit, longstanding tenant on a NNN lease, providing immediate income.
Modern 5,100± SF industrial condo in a highly‑desirable market (Portsmouth, NH).
Excellent location: 1.2 miles from I‑95 with exceptional connectivity to major transportation corridors.
Warehouse features 24’ clear height and one 14’ drive‑in door for efficient loading.
Includes 900± SF of air‑conditioned office space with 4,200± SF of warehouse + bonus mezzanine.
Six (6) dedicated parking spaces with additional common parking available.

We can help!

Contact an agent

Caitlin Burke

Learn more

For Sale

Contact for pricing

Modern 5,100 SF industrial condo in Portsmouth, NH for sale.

Type:Industrial

Property size:

5,100 SF

Price / SF:

$191/SF

Added:: Mar 20, 2026
Days on Market:: 99
Last Refresh:: Mar 21 at 8:50 pm

Property Features for 280 Heritage Ave

General Information

Standard status: Active
Size: 5,100 SF
Property subtype: Industrial

Building Details

Year Built: 2005

We can help!

Contact an agent

Caitlin Burke

Listing office Boulos Company

Listing date Mar 20, 2026

Source Crexi

Displayed information is deemed reliable but is not guaranteed and should be independently verified.

All listing content including descriptions, pricing, images are the copyrighted material of Boulos Company

HighLights

Fully‑occupied by a solid credit, longstanding tenant on a NNN lease, providing immediate income.
Modern 5,100± SF industrial condo in a highly‑desirable market (Portsmouth, NH).
Excellent location: 1.2 miles from I‑95 with exceptional connectivity to major transportation corridors.
Warehouse features 24’ clear height and one 14’ drive‑in door for efficient loading.
Includes 900± SF of air‑conditioned office space with 4,200± SF of warehouse + bonus mezzanine.
Six (6) dedicated parking spaces with additional common parking available.

Overview

This 5,100± SF industrial condo located at 280 Heritage Avenue, Unit J, Portsmouth, NH, presents a rare investment opportunity. The property is fully occupied by a longstanding tenant on a NNN lease. The condo features 900± SF of air-conditioned office space, which includes a small break area and one restroom. The warehouse space measures 4,200± SF with a bonus mezzanine, one restroom, 24’ clear height, and one 14’ drive-in door for efficient loading. The property includes six dedicated parking spaces with additional common parking available. It is serviced by municipal water/sewer, natural gas, and electric. Located in Portsmouth’s commercial-industrial district, the property is situated 1.2 miles from I-95, offering connectivity to major transportation corridors including Route 1 and the Spaulding Turnpike.

Local Financial Insights For Office B

Simulate Cap Rate and NOI

NOI Build-Up

Component	$	$/SF
Gross rent	$107.1k	$21.00
− Vacancy	−$14.2k	−$2.79
EGI	$92.9k	$18.21
− OpEx	−$23.2k	−$4.55
NOI	$69.6k	$13.66

5,100 SF · lease $21.00/SF/yr · vacancy 13.30% · expense 25.00%

Alternative Uses

Best Use

Office B

$994.9K

$870.5K – $1.16M (±1% cap)

NOI $69,642 @ 7.0% cap · market cap 7.14%

Second Best

Flex RnD

$991.2K

$867.3K – $1.16M (±1% cap)

NOI $69,384 @ 7.0% cap · market cap 7.12%

Theoretical Best

Office A

$1.36M

$1.19M – $1.59M (±1% cap)

NOI $95,509 @ 7.0% cap · market cap 9.80%

Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Current Use by Public Records

ISHIGAKI USA Ltd Industrial Manufacturer Rt Stearns Inc Production Facility P.A.T. Products Industrial Manufacturer Black Dog Divers General Contractor boatstore.com Big Box & Wholesale Store

Suggested Use

Similar Places Nearby

Ikko Hibachi & Sushi Catering — 2466 Lafayette Rd, Portsmouth, NH 03801

Location Insight

Map
Local Demand

City: Portsmouth
County: Strafford
State: New Hampshire
Longitude: -70.79796
Latitude: 43.03503

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For sale
Flex space
NH
Portsmouth
03801
280 Heritage Ave

What type of property is this?

Flex space - Modern 5,100 SF industrial condo in Portsmouth, NH for sale.

Where is this flex space located?

The property is located at 280 Heritage Ave Portsmouth, NH.

What is the asking price?

The asking price for this property is $975,000.

What are key features of this property?

This property features: Fully‑occupied by a solid credit, longstanding tenant on a NNN lease, providing immediate income.; Modern 5,100± SF industrial condo in a highly‑desirable market (Portsmouth, NH).; Excellent location: 1.2 miles from I‑95 with exceptional connectivity to major transportation corridors.