Mill Brook Office Park

For Lease 9,943 SF

118 Portsmouth Ave, Stratham, NH 03885

The location of the property in Stratham, NH, offers an ideal blend of accessibility and charm for office and medical building tenants. Situated just minutes from the vibrant city of Portsmouth and the historic town of Exeter, the area provides easy access to an array of restaurants, as well as essential services and retail outlets. With its close proximity to Portsmouth and Exeter, tenants will find themselves immersed in a dynamic community, making the area an attractive choice for businesses seeking a well-connected and bustling location.Discover a standout opportunity for office and medical professionals at this exceptionally visible property. With over 17,000 vehicles passing daily, your business enjoys prime exposure. Eco-friendly features to help create a more sustainable workspace. Each building is ADA Compliant and offers modern amenities such as an elevator for accessibility, a convenient kitchenette. Every floor is equipped with two restrooms to ensure comfort and ease for staff and visitors. Ample on-site parking adds convenience for tenants and visitors, while several available units offer flexible floor plans to accommodate a variety of business needs. This thoughtfully designed property delivers adaptability, accessibility, and a professional environment that aligns with your vision for success.

Key features

  • Ample parking for tenants and visitors
  • Flexible floor plan to accommodate various businesses
  • High visibility with over 17,000 VPD
  • Prime location close to Portsmouth and Exeter

Rental Details

  • Number of spaces 4
  • Total square feet available 9,943 SF
  • For Lease $20.00 - $25.00/SF/YR
  • Space Type General Office
  • Lease Type NNN
  • Latest Update Oct 13, 2026
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4 Spaces Available

C1

Space Type
General Office
Lease Rate
$20.00/SF/YR
Total Space
1,112 SF
Floor
B
Lease Type
NNN

C102

Space Type
General Office
Lease Rate
$25.00/SF/YR
Total Space
2,755 SF
Floor
1
Lease Type
NNN

D205

Space Type
General Office
Lease Rate
$20.00/SF/YR
Total Space
1,300 SF
Floor
2
Lease Type
NNN

D206 & D207

Space Type
General Office
Lease Rate
$25.00/SF/YR
Total Space
4,776 SF
Floor
2
Lease Type
NNN

Contacts

Brian Dano, CCIM

SVN | The Masiello Group

Building Details

  • For Lease $20.00 - $25.00/SF/YR
  • Property Type Office - General Office
  • Property Size 79,404 SF
  • Lot Size 8.96 Acre
  • Additional Rent Price on request
  • Parking Spaces Avail. 490
  • Property Tenancy Multi-Tenant
  • Building Class A
  • Date Updated Oct 13, 2026

Location

  • City Stratham, NH
  • Zip Code 03885
  • Market Boston
  • Walk score 26/100 Car-Dependent
  • Bike score 27/100 Somewhat Bikeable
Powered by Walk Score ®

Points of Interest

Durham-UNH

8.34 miles

EVgo

1.58 miles

Irving

1.81 miles

Shell

2.05 miles

Monster Gas

2.43 miles

Nouria

3.33 miles

Cumberland Farms

3.86 miles

Sinclair

4.02 miles

Grab N' Go Gas Station

4.57 miles

Tesla Supercharger

8.91 miles

Electrify America

9.06 miles

Oaklands Newfields Road Parking Lot

1.95 miles

Trestle Parking Lot

2.28 miles

Rockingham Ballroom Parking

2.38 miles

P11

2.56 miles

P12

2.60 miles

P1

2.63 miles

Cardiovascular

2.77 miles

Emergency

2.79 miles

Ambulance

2.79 miles

Watson Road Parking Lot

2.84 miles

Enterprise

2.08 miles

Circle T Car Wash Exeter

2.32 miles

Golden Nozzle Car Wash

3.37 miles

Pro-Wash Car Wash

3.67 miles

Revive Mobile Detailing

4.19 miles

Hertz

5.34 miles

Budget Truck Rental

6.03 miles

Port City Touchless Car Wash

6.40 miles

Seacoast Wash

6.62 miles

Epping Car Wash

7.72 miles

PepeNero Pizzaria & Restaurant

0.43 miles

Domino's

0.67 miles

Dunkin' Donuts

1.16 miles

Bread Box

1.49 miles

Burger King

1.50 miles

Red Mango

1.50 miles

Tailgate Tavern

1.56 miles

110 Grill

1.62 miles

Chipotle

1.63 miles

Dunkin'

1.70 miles

Market Basket

1.48 miles

Shaw's

1.69 miles

Hannaford

2.23 miles

On The Vine Marketplace

2.56 miles

Newberry Farms Market

4.36 miles

The British Aisles

4.39 miles

Target

5.33 miles

Marshalls

5.53 miles

Hampton Natural Foods

6.28 miles

Walmart Supercenter

6.47 miles

Zeff Plastic Surgery

0.33 miles

Stratham Fire Department

0.46 miles

Stratham Police Department

0.59 miles

Osco Pharmacy

1.70 miles

Stratham Surgery Center

1.79 miles

CVS Pharmacy

1.84 miles

ConvenientMD

2.02 miles

Sleep Lab

2.55 miles

Wound Healing

2.56 miles

Rite Aid

2.63 miles

Listing Summary

  • Asking Prices

    At 118 Portsmouth Ave, the asking rate for office space for lease starts at $20.00/SF/YR.

  • Available Office Space

    Office space currently available at 118 Portsmouth Ave adds up to a total of 9,943 square feet across 4 spaces. The largest individual space listed offers 4,776 square feet.

    Property use types available for lease at this property include: general office.

  • Property Details

    The property incorporates a total of 79,404 square feet of space.

    Interested in researching more about this property? Access in-depth research on 118 Portsmouth Ave, including ownership details, transaction history, property characteristics, by creating a free account and viewing the full property report.

Contact Brian Dano, CCIM
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