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Stewart Nelson Plaza 143 N Main St 400 - 16,633 SF of Office Space Available in Concord, NH 03301

Office Spaces New Hampshire Concord 143 N Main St, Concord, NH 03301

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ALL AVAILABLE SPACES(11)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 1st Floor, Ste 102
  • 678 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $16,950 /YR $1,413 /MO
  • Office
  • -
  • January 15, 2026
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
  • Rate includes utilities, building services and property expenses
  • Fits 2 - 6 People
  • 1st Floor, Ste 103
  • 3,025 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $75,625 /YR $6,302 /MO
  • Office
  • -
  • January 15, 2026
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
  • Rate includes utilities, building services and property expenses
  • Fits 8 - 25 People
  • 1st Floor, Ste 104
  • 400 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $10,000 /YR $833.33 /MO
  • Office
  • -
  • January 15, 2026
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
  • Rate includes utilities, building services and property expenses
  • Fits 1 - 4 People
  • 1st Floor, Ste 107
  • 4,520 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $113,000 /YR $9,417 /MO
  • Office
  • -
  • January 15, 2026
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
  • Rate includes utilities, building services and property expenses
  • Fits 12 - 37 People
  • 2nd Floor, Ste 2010
  • 1,718 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $42,950 /YR $3,579 /MO
  • Office
  • -
  • January 15, 2026
  • Rate includes utilities, building services and property expenses
  • Fits 5 - 14 People
  • 2nd Floor, Ste 202A
  • 617 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $15,425 /YR $1,285 /MO
  • Office
  • -
  • January 15, 2026
  • Rate includes utilities, building services and property expenses
  • Fits 2 - 5 People
  • 2nd Floor, Ste 202B
  • 1,159 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $28,975 /YR $2,415 /MO
  • Office
  • -
  • January 15, 2026
  • Rate includes utilities, building services and property expenses
  • Fits 3 - 10 People
  • 2nd Floor, Ste 202C
  • 416 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $10,400 /YR $866.67 /MO
  • Office
  • -
  • January 15, 2026
  • Rate includes utilities, building services and property expenses
  • Fits 2 - 4 People
  • 2nd Floor, Ste 204
  • 410 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $10,250 /YR $854.17 /MO
  • Office
  • -
  • January 15, 2026
  • Rate includes utilities, building services and property expenses
  • Fits 2 - 4 People
  • 2nd Floor, Ste 207
  • 3,005 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $75,125 /YR $6,260 /MO
  • Office
  • -
  • January 15, 2026
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
  • Rate includes utilities, building services and property expenses
  • Fits 8 - 25 People
  • 2nd Floor, Ste 207A
  • 685 SF
  • 3-5 Years
  • $25.00 /SF/YR $2.08 /SF/MO $17,125 /YR $1,427 /MO
  • Office
  • -
  • January 15, 2026
  • Rate includes utilities, building services and property expenses
  • Fits 2 - 6 People
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 102 678 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $16,950 /YR $1,413 /MO Office - January 15, 2026
1st Floor, Ste 103 3,025 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $75,625 /YR $6,302 /MO Office - January 15, 2026
1st Floor, Ste 104 400 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $10,000 /YR $833.33 /MO Office - January 15, 2026
1st Floor, Ste 107 4,520 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $113,000 /YR $9,417 /MO Office - January 15, 2026
2nd Floor, Ste 2010 1,718 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $42,950 /YR $3,579 /MO Office - January 15, 2026
2nd Floor, Ste 202A 617 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $15,425 /YR $1,285 /MO Office - January 15, 2026
2nd Floor, Ste 202B 1,159 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $28,975 /YR $2,415 /MO Office - January 15, 2026
2nd Floor, Ste 202C 416 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $10,400 /YR $866.67 /MO Office - January 15, 2026
2nd Floor, Ste 204 410 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $10,250 /YR $854.17 /MO Office - January 15, 2026
2nd Floor, Ste 207 3,005 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $75,125 /YR $6,260 /MO Office - January 15, 2026
2nd Floor, Ste 207A 685 SF 3-5 Years $25.00 /SF/YR $2.08 /SF/MO $17,125 /YR $1,427 /MO Office - January 15, 2026

1st Floor, Ste 102

Size
678 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $16,950 /YR $1,413 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

1st Floor, Ste 103

Size
3,025 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $75,625 /YR $6,302 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

1st Floor, Ste 104

Size
400 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $10,000 /YR $833.33 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

1st Floor, Ste 107

Size
4,520 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $113,000 /YR $9,417 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

2nd Floor, Ste 2010

Size
1,718 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $42,950 /YR $3,579 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

2nd Floor, Ste 202A

Size
617 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $15,425 /YR $1,285 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

2nd Floor, Ste 202B

Size
1,159 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $28,975 /YR $2,415 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

2nd Floor, Ste 202C

Size
416 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $10,400 /YR $866.67 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

2nd Floor, Ste 204

Size
410 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $10,250 /YR $854.17 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

2nd Floor, Ste 207

Size
3,005 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $75,125 /YR $6,260 /MO
Space Use
Office
Condition
-
Available
January 15, 2026

2nd Floor, Ste 207A

Size
685 SF
Term
3-5 Years
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $17,125 /YR $1,427 /MO
Space Use
Office
Condition
-
Available
January 15, 2026
1 of 1
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Suite 102-143 N Main St

1st Floor, Ste 102

143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
Size 678 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 2 - 6 People
1 of 1
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Suite 103-143 N Main St

1st Floor, Ste 103

143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
Size 3,025 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 8 - 25 People
1 of 1
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Suite 104-143 N Main St

1st Floor, Ste 104

143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
Size 400 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 1 - 4 People
1 of 1
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Suite 107-143 N Main St

1st Floor, Ste 107

143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
Size 4,520 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 12 - 37 People

2nd Floor, Ste 2010

Size 1,718 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 5 - 14 People

2nd Floor, Ste 202A

Size 617 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 2 - 5 People

2nd Floor, Ste 202B

Size 1,159 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 3 - 10 People

2nd Floor, Ste 202C

Size 416 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 2 - 4 People

2nd Floor, Ste 204

Size 410 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 2 - 4 People
1 of 1
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Suite 207-143 N Main St

2nd Floor, Ste 207

143 N Main St, Concord, NH for lease Site Plan- Image 1 of 1
Site Plan
Size 3,005 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 8 - 25 People

2nd Floor, Ste 207A

Size 685 SF
Term 3-5 Years
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available January 15, 2026

  • Rate includes utilities, building services and property expenses
  • Fits 2 - 6 People

PROPERTY OVERVIEW

Multiple office suites are available in this well-located office building in Concord’s Central Business District, within walking distance of downtown retail, restaurants, and the New Hampshire State House. The property offers convenient access to I-93, located just one block away. The building is fully sprinklered with a wet system and is equipped with a fire alarm system. A 15% common area factor has been applied to the suites' square footage. Common area restrooms are provided. Lease rates are gross lease rates inclusive of heating, cooling, and electricity.

  • Banking
  • Property Manager on Site

PROPERTY FACTS

Building Type
Office
Year Built
1976
Building Height
2 Stories
Building Size
41,375 SF
Building Class
B
Typical Floor Size
20,688 SF
Parking
100 Surface Parking Spaces

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 2nd
  • Legislative Budget Assistant
  • Public Administration
  • 2nd
  • Legislative Solutions
  • -
  • 2nd
  • Leone McDonnell & Roberts P A
  • Professional, Scientific, and Technical Services
  • 1st
  • NH Government Solutions Group
  • Professional, Scientific, and Technical Services
  • 1st
  • Stan & Pete Inc.
  • -
  • 1st
  • TD Bank
  • Finance and Insurance
  • 2nd
  • Veterans Evaluations of N.E.
  • -
  • 2nd
  • Whitegate Investment Counselors, Inc.
  • Finance and Insurance

ATTACHMENTS

Suite 102-143 N Main St
Suite 104-143 N Main St
Suite 107-143 N Main St
Suite 103-143 N Main St
Suite 207-143 N Main St
1 1
Walk Score®
Walker's Paradise (91)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
Learn How It Works Detailed Scores
(603) 674-1617

Still interested?

Contact the brokers for more information about this property

CONTACTS

  • Dave Tanguay
    Dave Tanguay
  • Sahil Maripuri
    Sahil Maripuri

  • Listing ID: 39012535

  • Date on Market: 1/8/2026

  • Last Updated:

  • Address: 143 N Main St, Concord, NH 03301

More public record information on 143 N Main St, Concord, NH 03301

The Office Property at 143 N Main St, Concord, NH 03301 is currently available for Lease. Contact SPERRY-Commercial Realty Associates for more information.

OFFICE PROPERTIES IN NEARBY NEIGHBORHOODS

NEARBY LISTINGS

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VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
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MAP
143 N Main St, Concord, NH for lease Primary Photo- Image 1 of 17
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143 N Main St, Concord, NH for lease Building Photo- Image 2 of 17
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Stewart Nelson Plaza | 143 N Main St
(603) 674-1617 x

Stewart Nelson Plaza | 143 N Main St

Dave Tanguay
(603) 674-1617

Sahil Maripuri
(603) 858-4884

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