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Second-Floor Office Suites
For Lease
$900/Mo

300 Constitution Avenue, Portsmouth, NH 03801

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

Space Size550 SF - 11,062 SF
Days on Market8

Property Features for 300 Constitution Avenue

General Information

Standard status Active
Size 550 SF - 11,062 SF
Net Rentable 550 SF
Class A
Elevators Yes

Space & Availability

Available Space 550-11,062 SF
Contiguous Space 11,062 SF
Floor 2
Space Use Office

Building Details

Year Built 2013
Tenancy Multi
Listing Agency: Colliers International
Listed By: Andrew Ward · License #067085
Source: Mbgre
Added: Oct 4 Changed: Oct 10 Last Checked: Oct 10 at 12:43AM

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 Colliers International

Investment Insights

Based on property information with market context.

Two second-floor office units are available in a 2013 building. Suite 1 offers an open-plan, single-room layout of approximately 550 SF. Suite 200 spans approximately 11,062 SF, with three conference rooms, nine private offices, a kitchen and break room, an IT room, and a substantial open work area. Designer furniture is included with Suite 200 only. Both suites have high ceilings, generous window exposure, and elevator access.

The property is approximately 3.5 miles from downtown Portsmouth, 2.6 miles from I-95, and 0.6 miles from Route 1. Other occupants include X5 Home Loans, Global Laminates, TopMark Funding, Concord Electric, Asian Atlantic Industries, and NERACOOS.

Key Highlights

  • Two second‑floor office units available, with distinct suite configurations
  • Suite 200 offers approximately 11,062± SF, including 3 conference rooms and 9 offices
  • Suite 1 is an approximately 550± SF open‑plan, single‑room office

Property Analytics

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Open Analytics

Current Use

Global Laminates Factory Ryan A Huskey | Fairway ... Loan Service Ginnie E McCauley ... Loan Service Nick Tolley | Fairway ... Loan Service Jeremy Allen Team ... Loan Service

Suggested Use

Top Pick Real Estate Agency Law Firm Hair Salon Parking Lot & Garage Grocery & Convenience Store Accounting Firm

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Multi-tenant
Tenancy
NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

389
Businesses Nearby

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
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Lease Benchmarks for Portsmouth, NH

$19.07 /SF/Yr
Avg Asking Price
$1.11–$40 /SF/Yr
Price Range
8,503 SF
Avg Space Size

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025
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Frequently Asked Questions

What type of property is this?
Office units - Two office configurations offer elevator access, tall ceilings, and abundant windows.
Where is this office units located?
The property is located at 300 Constitution Avenue Portsmouth, NH.
What is the lease rate?
The lease rate is $900/Mo.
What are key features of this property?
This property features: Two second‑floor office units available, with distinct suite configurations; Suite 200 offers approximately 11,062± SF, including 3 conference rooms and 9 offices; Suite 1 is an approximately 550± SF open‑plan, single‑room office
More about this property
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