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Park Highlights

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

Park Facts

Total Space Available 17,463 SF
Min. Divisible 389 SF
Max. Contiguous 6,638 SF
Park Type Office Park
Features
Wheelchair Accessible
  • Air Conditioning

All Available Spaces(8)

Display Rental Rate as

Millbrook Office Park
118 Portsmouth Ave - C
389 - 9,436 SF | $20.00 - $25.00 /SF/YR $1.67 - $2.08 /SF/MO $215.28 - $269.10 /m²/YR $17.94 - $22.42 /m²/MO $648.33 - $18,854 /MO $7,780 - $226,245 /YR | View Building Details
Building Type/Class
Office/B
Year Built
2019
Building Size
14,692 SF
Building Height
2 Stories
Typical Floor Size
4,836 SF
Parking
490 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • Lower Level, Ste C1, C5
  • 430-1,542 SF
  • Negotiable
  • $20.00 /SF/YR $1.67 /SF/MO $30,840 /YR $2,570 /MO
  • Office/Medical
  • Shell Space
  • Now

Unit C1 is Vanilla Box, ready for Fit-Up, could be combined with Unit C5 for a total of 1,542 SF.

  • Lease rate does not include utilities, property expenses or building services
  • Can be combined with additional space(s) for up to 6,638 SF of adjacent space
  • Mostly Open Floor Plan Layout
  • Lower Level, Ste C4
  • 389 SF
  • Negotiable
  • $20.00 /SF/YR $1.67 /SF/MO $7,780 /YR $648.33 /MO
  • Office/Medical
  • Shell Space
  • Now

Unit C4 is ready for occupancy.

  • Lease rate does not include utilities, property expenses or building services
  • Can be combined with additional space(s) for up to 6,638 SF of adjacent space
  • Mostly Open Floor Plan Layout
  • 1st Floor, Ste C102
  • 500-2,755 SF
  • Negotiable
  • $25.00 /SF/YR $2.08 /SF/MO $68,875 /YR $5,740 /MO
  • Retail
  • Shell Space
  • Now

We are looking for a cafe or restaurant to service the existing tenants and general public at this New high-end professional office. In total we have over 79,000 SF of Medical and professional office in four buildings. New construction ready for Fit-Up, available space 500-2755SF. Close to major highways (Route 101 and Interstate 95), commerce centers and hospitals. Perfect for medical but approved for many professional office uses! Close to multiple area amenities and high traffic counts but in a beautifully landscaped park like setting with views. Ample parking and handicapped accessible/ADA compliant! Available and ready to go!! Please see agent for lease price.

  • Lease rate does not include utilities, property expenses or building services
  • Space is in Excellent Condition
  • Wheelchair Accessible
  • Located in-line with other retail
  • Can be combined with additional space(s) for up to 6,638 SF of adjacent space
  • 2nd Floor, Ste C201
  • 1,952 SF
  • Negotiable
  • $25.00 /SF/YR $2.08 /SF/MO $48,800 /YR $4,067 /MO
  • Office/Medical
  • Shell Space
  • Now

Unit C201 is Vanilla Box, ready for Fit-Up.

  • Lease rate does not include utilities, property expenses or building services
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 6,638 SF of adjacent space
  • 2nd Floor, Ste C202
  • 2,798 SF
  • Negotiable
  • $25.00 /SF/YR $2.08 /SF/MO $69,950 /YR $5,829 /MO
  • Office
  • Shell Space
  • Now

Unit C201 is Vanilla Box, ready for Fit-Up.

  • Lease rate does not include utilities, property expenses or building services
  • Space is in Excellent Condition
Space Size Term Rental Rate Space Use Build-Out Available
Lower Level, Ste C1, C5 430-1,542 SF Negotiable $20.00 /SF/YR $1.67 /SF/MO $30,840 /YR $2,570 /MO Office/Medical Shell Space Now
Lower Level, Ste C4 389 SF Negotiable $20.00 /SF/YR $1.67 /SF/MO $7,780 /YR $648.33 /MO Office/Medical Shell Space Now
1st Floor, Ste C102 500-2,755 SF Negotiable $25.00 /SF/YR $2.08 /SF/MO $68,875 /YR $5,740 /MO Retail Shell Space Now
2nd Floor, Ste C201 1,952 SF Negotiable $25.00 /SF/YR $2.08 /SF/MO $48,800 /YR $4,067 /MO Office/Medical Shell Space Now
2nd Floor, Ste C202 2,798 SF Negotiable $25.00 /SF/YR $2.08 /SF/MO $69,950 /YR $5,829 /MO Office Shell Space Now
Millbrook Office Park
118 Portsmouth Ave - C
389 - 9,436 SF | $20.00 - $25.00 /SF/YR $1.67 - $2.08 /SF/MO $215.28 - $269.10 /m²/YR $17.94 - $22.42 /m²/MO $648.33 - $18,854 /MO $7,780 - $226,245 /YR | View Building Details
Building Type/Class
Office/B
Year Built
2019
Building Size
14,692 SF
Building Height
2 Stories
Typical Floor Size
4,836 SF
Parking
490 Spaces

118 Portsmouth Ave - Lower Level - Ste C1, C5

Size
430-1,542 SF
Term
Negotiable
Rental Rate
$20.00 /SF/YR $1.67 /SF/MO $30,840 /YR $2,570 /MO
Space Use
Office/Medical
Build-Out
Shell Space
Available
Now

118 Portsmouth Ave - Lower Level - Ste C4

Size
389 SF
Term
Negotiable
Rental Rate
$20.00 /SF/YR $1.67 /SF/MO $7,780 /YR $648.33 /MO
Space Use
Office/Medical
Build-Out
Shell Space
Available
Now

118 Portsmouth Ave - 1st Floor - Ste C102

Size
500-2,755 SF
Term
Negotiable
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $68,875 /YR $5,740 /MO
Space Use
Retail
Build-Out
Shell Space
Available
Now

118 Portsmouth Ave - 2nd Floor - Ste C201

Size
1,952 SF
Term
Negotiable
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $48,800 /YR $4,067 /MO
Space Use
Office/Medical
Build-Out
Shell Space
Available
Now

118 Portsmouth Ave - 2nd Floor - Ste C202

Size
2,798 SF
Term
Negotiable
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $69,950 /YR $5,829 /MO
Space Use
Office
Build-Out
Shell Space
Available
Now
Millbrook Office Park
118 Portsmouth Ave - B
400 - 1,951 SF | $20.00 /SF/YR $1.67 /SF/MO $215.28 /m²/YR $17.94 /m²/MO $666.67 - $3,252 /MO $8,000 - $39,020 /YR | View Building Details
Building Type/Class
Office/B
Year Built
1994
Building Size
13,018 SF
Building Height
3 Stories
Typical Floor Size
4,339 SF
Parking
490 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, Ste B101
  • 400-1,951 SF
  • Negotiable
  • $20.00 /SF/YR $1.67 /SF/MO $39,020 /YR $3,252 /MO
  • Office/Medical
  • Full Build-Out
  • Now

Suite B101 is a former Physical Therapy Office space, could be fit-up for a variety of professional uses. Current space configuration: Reception Area Kitchenette 1 Conference Room 5 Offices 1 Storage Area

  • Lease rate does not include utilities, property expenses or building services
  • 6 Private Offices
  • Space is in Excellent Condition
  • Fully Built-Out as Professional Services Office
  • 1 Conference Room
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, Ste B101 400-1,951 SF Negotiable $20.00 /SF/YR $1.67 /SF/MO $39,020 /YR $3,252 /MO Office/Medical Full Build-Out Now
Millbrook Office Park
118 Portsmouth Ave - B
400 - 1,951 SF | $20.00 /SF/YR $1.67 /SF/MO $215.28 /m²/YR $17.94 /m²/MO $666.67 - $3,252 /MO $8,000 - $39,020 /YR | View Building Details
Building Type/Class
Office/B
Year Built
1994
Building Size
13,018 SF
Building Height
3 Stories
Typical Floor Size
4,339 SF
Parking
490 Spaces

118 Portsmouth Ave - 1st Floor - Ste B101

Size
400-1,951 SF
Term
Negotiable
Rental Rate
$20.00 /SF/YR $1.67 /SF/MO $39,020 /YR $3,252 /MO
Space Use
Office/Medical
Build-Out
Full Build-Out
Available
Now
Millbrook Office Park
118 Portsmouth Ave - D
1,300 - 6,076 SF | $20.00 - $25.00 /SF/YR $1.67 - $2.08 /SF/MO $215.28 - $269.10 /m²/YR $17.94 - $22.42 /m²/MO $2,167 - $12,117 /MO $26,000 - $145,400 /YR | View Building Details
Building Type/Class
Office/B
Year Built
2008
Building Size
41,551 SF
Building Height
2 Stories
Typical Floor Size
13,850 SF
Parking
490 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 2nd Floor, Ste D205
  • 1,300 SF
  • Negotiable
  • $20.00 /SF/YR $1.67 /SF/MO $26,000 /YR $2,167 /MO
  • Office
  • Shell Space
  • Now

Suite D205 Vanilla Box, ready for Fit-Up.

  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • 2nd Floor, Ste D206-207
  • 4,776 SF
  • Negotiable
  • $25.00 /SF/YR $2.08 /SF/MO $119,400 /YR $9,950 /MO
  • Office
  • Full Build-Out
  • Now

Suite D205-206 is a former Office space, could be fit-up for a variety of professional uses. Current space configuration: Reception Area Kitchenette 2 Conference Rooms 9 Offices Large workroom & a collaborative bullpen area Ample Storage

  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • 2 Conference Rooms
  • Space is in Excellent Condition
  • Fully Built-Out as Standard Office
  • 9 Private Offices
  • 2 Workstations
  • Central Air and Heating
Space Size Term Rental Rate Space Use Build-Out Available
2nd Floor, Ste D205 1,300 SF Negotiable $20.00 /SF/YR $1.67 /SF/MO $26,000 /YR $2,167 /MO Office Shell Space Now
2nd Floor, Ste D206-207 4,776 SF Negotiable $25.00 /SF/YR $2.08 /SF/MO $119,400 /YR $9,950 /MO Office Full Build-Out Now
Millbrook Office Park
118 Portsmouth Ave - D
1,300 - 6,076 SF | $20.00 - $25.00 /SF/YR $1.67 - $2.08 /SF/MO $215.28 - $269.10 /m²/YR $17.94 - $22.42 /m²/MO $2,167 - $12,117 /MO $26,000 - $145,400 /YR | View Building Details
Building Type/Class
Office/B
Year Built
2008
Building Size
41,551 SF
Building Height
2 Stories
Typical Floor Size
13,850 SF
Parking
490 Spaces

118 Portsmouth Ave - 2nd Floor - Ste D205

Size
1,300 SF
Term
Negotiable
Rental Rate
$20.00 /SF/YR $1.67 /SF/MO $26,000 /YR $2,167 /MO
Space Use
Office
Build-Out
Shell Space
Available
Now

118 Portsmouth Ave - 2nd Floor - Ste D206-207

Size
4,776 SF
Term
Negotiable
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $119,400 /YR $9,950 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
Now

118 Portsmouth Ave - Lower Level - Ste C1, C5

Size 430-1,542 SF
Term Negotiable
Rental Rate $20.00 /SF/YR
Space Use Office/Medical
Build-Out Shell Space
Available Now

Unit C1 is Vanilla Box, ready for Fit-Up, could be combined with Unit C5 for a total of 1,542 SF.

  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 6,638 SF of adjacent space

118 Portsmouth Ave - Lower Level - Ste C4

Size 389 SF
Term Negotiable
Rental Rate $20.00 /SF/YR
Space Use Office/Medical
Build-Out Shell Space
Available Now

Unit C4 is ready for occupancy.

  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 6,638 SF of adjacent space

118 Portsmouth Ave - 1st Floor - Ste C102

Size 500-2,755 SF
Term Negotiable
Rental Rate $25.00 /SF/YR
Space Use Retail
Build-Out Shell Space
Available Now

We are looking for a cafe or restaurant to service the existing tenants and general public at this New high-end professional office. In total we have over 79,000 SF of Medical and professional office in four buildings. New construction ready for Fit-Up, available space 500-2755SF. Close to major highways (Route 101 and Interstate 95), commerce centers and hospitals. Perfect for medical but approved for many professional office uses! Close to multiple area amenities and high traffic counts but in a beautifully landscaped park like setting with views. Ample parking and handicapped accessible/ADA compliant! Available and ready to go!! Please see agent for lease price.

  • Lease rate does not include utilities, property expenses or building services
  • Located in-line with other retail
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 6,638 SF of adjacent space
  • Wheelchair Accessible

118 Portsmouth Ave - 2nd Floor - Ste C201

Size 1,952 SF
Term Negotiable
Rental Rate $25.00 /SF/YR
Space Use Office/Medical
Build-Out Shell Space
Available Now

Unit C201 is Vanilla Box, ready for Fit-Up.

  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 6,638 SF of adjacent space

118 Portsmouth Ave - 2nd Floor - Ste C202

Size 2,798 SF
Term Negotiable
Rental Rate $25.00 /SF/YR
Space Use Office
Build-Out Shell Space
Available Now

Unit C201 is Vanilla Box, ready for Fit-Up.

  • Lease rate does not include utilities, property expenses or building services
  • Space is in Excellent Condition

118 Portsmouth Ave - 1st Floor - Ste B101

Size 400-1,951 SF
Term Negotiable
Rental Rate $20.00 /SF/YR
Space Use Office/Medical
Build-Out Full Build-Out
Available Now

Suite B101 is a former Physical Therapy Office space, could be fit-up for a variety of professional uses. Current space configuration: Reception Area Kitchenette 1 Conference Room 5 Offices 1 Storage Area

  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Professional Services Office
  • 6 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition

118 Portsmouth Ave - 2nd Floor - Ste D205

Size 1,300 SF
Term Negotiable
Rental Rate $20.00 /SF/YR
Space Use Office
Build-Out Shell Space
Available Now

Suite D205 Vanilla Box, ready for Fit-Up.

  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout

118 Portsmouth Ave - 2nd Floor - Ste D206-207

Size 4,776 SF
Term Negotiable
Rental Rate $25.00 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available Now

Suite D205-206 is a former Office space, could be fit-up for a variety of professional uses. Current space configuration: Reception Area Kitchenette 2 Conference Rooms 9 Offices Large workroom & a collaborative bullpen area Ample Storage

  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 9 Private Offices
  • 2 Conference Rooms
  • 2 Workstations
  • Space is in Excellent Condition
  • Central Air and Heating

Park Overview

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.

  • Wheelchair Accessible
  • Air Conditioning
Fairly walkable
40/100
Exceptionally drivable
100/100
Somewhat bikeable
20/100
  • Listing ID: 31765221

  • Date on Market: 6/15/2026

  • Last Updated:

  • Address: 118 Portsmouth Ave, Stratham, NH 03885

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