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Second-Floor Office Suite
For Lease
$4,500/Mo

155 Portsmouth Avenue, Stratham, NH 03885

Second-floor suite with reception, multiple private rooms, conference space, kitchenette, and on-site parking.

Property Size9,192 SF
Days on Market509

Property Features for 155 Portsmouth Avenue

General Information

Standard status Active
Size 9,192 SF

Building Details

Year Built 1970
Listing Agency: Colliers International
Listed By: Abby Bachman
Source: Harborlightrealty
Added: Mar 10, 2025 Changed: Jul 10 Last Checked: Jul 30 at 5:08PM

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.

Available for lease is a second-floor office suite previously occupied by a massage therapist. Suite 201 includes an open reception area, seven private offices or treatment rooms, a conference room, a small kitchenette, storage, and two bathrooms. The layout supports a professional services environment and can accommodate both wellness-oriented operations and traditional office use.

The building is located in the town center of Stratham, New Hampshire, at 155 Portsmouth Avenue. The property offers ample on-site parking for staff and clients. Building tenants include Caring Companions, Easterseals, L.I.F.E. Chiropractic, Mochi Skin, PepeNero Pizzeria & Restaurant, and Stratham Village Market.

For tenants seeking a self-contained workspace with dedicated treatment or office rooms, this suite offers a practical mix of reception, private rooms, and meeting space. Its two-bathroom configuration and built-in kitchenette also make it well-suited for professional teams, health and wellness services, or other office users that benefit from multiple interior rooms.

Key Highlights

  • Suite 201 on the 2nd floor available for lease in Stratham, NH town center
  • 3,000± SF office suite with open reception area and 7 private offices/treatment rooms
  • Includes a conference room plus a small kitchenette, storage, and 2 bathrooms

Property Analytics

Current Use

Office Units

Suggested Use

Top Pick Building Supply Big Box & Wholesale Store Restaurant Hair Salon Dental Office Garden Center

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

NNN (Triple Net)
Lease Type
$0.88 /SF/Yr
CAM

Location Intelligence

Trade Area within ½ mile

501
Businesses Nearby

Demographics for 03885, NH

7,660
Population
3,019
Households
2.5
Avg Household Size
45
Median Age
66%
College-Educated
99%
High-School Grad
15.1 sq mi
ZIP Area
507
Density / Sq Mi
$141,438
Median Household Income
$74,458
Median Earnings
$2,265
Median Rent
$599,500
Median Home Value

Market

Lease Benchmarks for Stratham, NH

$11.97 /SF/Yr
Avg Asking Price
$5–$20 /SF/Yr
Price Range
20,338 SF
Avg Space Size

This space is priced 51% below the average of $11.97 /SF/Yr.

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
Rey
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Frequently Asked Questions

What type of property is this?
Office units - Second-floor suite with reception, multiple private rooms, conference space, kitchenette, and on-site parking.
Where is this office units located?
The property is located at 155 Portsmouth Avenue Stratham, NH.
What is the lease rate?
The lease rate is $4,500 /Mo.
What are key features of this property?
This property features: Suite 201 on the 2nd floor available for lease in Stratham, NH town center; 3,000± SF office suite with open reception area and 7 private offices/treatment rooms; Includes a conference room plus a small kitchenette, storage, and 2 bathrooms
More about this property
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