Single-Unit Office
For Sale
Contact for pricing
330 Borthwick Avenue, Portsmouth, NH 03801
Single-unit office property offering 2,132 SF for sale.
Property Size2,132 SF
Price / SF$257.97
Days on Market10
Property Features for 330 Borthwick Avenue
General Information
Standard status
Active
Size
2,132 SF
Property subtype
Office
Additional Details
Office Units
1
Building Details
Year Built
1986
Listing Agency:
Duston Leddy Real Estate
(617) 448-0072
Listed By:
Peter Montesanto · License #MA 52973
Source:
Crexi
Added: Jul 21
Changed: Jul 28
Last Checked: Jul 28 at 6:11AM
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 Duston Leddy Real Estate
Investment Insights
Based on property information with market context.
This for-sale office property consists of 1 unit totaling 2,132 SF. The space is configured as a single office offering for an owner-occupant or tenant seeking one dedicated unit.
Located at 330 Borthwick Avenue in Portsmouth, NH 03801, the property is presented for sale as a straightforward office asset with a defined, single-unit footprint.
Located at 330 Borthwick Avenue in Portsmouth, NH 03801, the property is presented for sale as a straightforward office asset with a defined, single-unit footprint.
Key Highlights
- Single‑unit office property for sale offering 2,132 SF
- Built in 1986
Financial Insights For Office B
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $44.8k | $21.00 |
| − Vacancy | −$6.0k | −$2.79 |
| EGI | $38.8k | $18.21 |
| − OpEx | −$9.7k | −$4.55 |
| NOI | $29.1k | $13.66 |
2,132 SF · lease $21.00/SF/yr · vacancy 13.30% · expense 25.00%
Alternative Uses
Best Use
Office B
$415.9K
$363.9K – $485.2K
NOI $29,113 @ 7.0% cap · market cap 5.29%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$570.4K
$499.1K – $665.4K
NOI $39,926 @ 7.0% cap · market cap 7.26%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Current Use
Lease Details
1
Office units
Location Intelligence
Trade Area within ½ mile
778
Businesses Nearby
Explore this area
Business Placement
Demographics for 03801, NH
22,767
Population
11,448
Households
2
Avg Household Size
43
Median Age
63%
College-Educated
98%
High-School Grad
23.8 sq mi
ZIP Area
957
Density / Sq Mi
$106,520
Median Household Income
$65,984
Median Earnings
$1,783
Median Rent
$647,500
Median Home Value
Market
Vacancy Rate% for Office in Northeast region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Office units - Single-unit office property offering 2,132 SF for sale.
Where is this office units located?
The property is located at 330 Borthwick Avenue Portsmouth, NH.
What is the asking price?
The asking price for this property is $550,000.
What are key features of this property?
This property features: Single‑unit office property for sale offering 2,132 SF; Built in 1986
