Share This Listing

Message

952 characters remaining

Hmm, there seems to have been an error sending your message. Please try again.

Your email has been sent.

Still interested?

Contact the broker for more information about this property

Welch's Bldg 100 Main St 250 - 8,647 SF of Office Space Available in Concord, MA 01742

Office Spaces Massachusetts Concord 100 Main St, Concord, MA 01742

Save this listing!

Favorite this listing to get notified of price updates, new media and more

ALL AVAILABLE SPACES(6)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 1st Floor, Ste 3
  • 250 SF
  • Negotiable
  • $34.80 /SF/YR $2.90 /SF/MO $8,700 /YR $725.00 /MO
  • Office
  • -
  • Pending

Single private office, with parking. $725 per month. Located in the downtown Concord.

  • Rate includes utilities, building services and property expenses
  • 1 Private Office
  • 1st Floor, Ste 4
  • 250 SF
  • Negotiable
  • $34.80 /SF/YR $2.90 /SF/MO $8,700 /YR $725.00 /MO
  • Office
  • -
  • Now

Single private office, with parking. $725 per month. Located in the downtown Concord.

  • Rate includes utilities, building services and property expenses
  • 1 Private Office
  • 2nd Floor, Ste 210
  • 1,525 SF
  • Negotiable
  • $25.00 /SF/YR $2.08 /SF/MO $38,125 /YR $3,177 /MO
  • Office
  • Full Build-Out
  • 30 Days
100 Main St, Concord, MA for lease Floor Plan- Image 1 of 1
Floor Plan

4 private offices, conference room, kitchenette

  • Listed lease rate plus proportional share of utilities
  • 4 Private Offices
  • Space is in Excellent Condition
  • Fully Built-Out as Standard Office
  • 1 Conference Room
  • Can be combined with additional space(s) for up to 4,317 SF of adjacent space
  • 2nd Floor, Ste 240
  • 2,792 SF
  • Negotiable
  • $25.00 /SF/YR $2.08 /SF/MO $69,800 /YR $5,817 /MO
  • Office
  • Full Build-Out
  • Now
100 Main St, Concord, MA for lease Interior Photo- Image 1 of 5
Interior Photo
100 Main St, Concord, MA for lease Interior Photo- Image 2 of 5
Interior Photo
100 Main St, Concord, MA for lease Interior Photo- Image 3 of 5
Interior Photo
100 Main St, Concord, MA for lease Building Photo- Image 4 of 5
Building Photo
100 Main St, Concord, MA for lease Interior Photo- Image 5 of 5
Interior Photo
  • Listed lease rate plus proportional share of utilities
  • Can be combined with additional space(s) for up to 4,317 SF of adjacent space
  • 4th Floor, Ste 420
  • 1,150 SF
  • Negotiable
  • $25.00 /SF/YR $2.08 /SF/MO $28,750 /YR $2,396 /MO
  • Office
  • -
  • 30 Days
  • Listed lease rate plus proportional share of utilities
  • Can be combined with additional space(s) for up to 3,830 SF of adjacent space
  • 4th Floor, Ste 430
  • 2,680 SF
  • Negotiable
  • $25.00 /SF/YR $2.08 /SF/MO $67,000 /YR $5,583 /MO
  • Office
  • Full Build-Out
  • Now
  • Listed lease rate plus proportional share of utilities
  • Can be combined with additional space(s) for up to 3,830 SF of adjacent space
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 3 250 SF Negotiable $34.80 /SF/YR $2.90 /SF/MO $8,700 /YR $725.00 /MO Office - Pending
1st Floor, Ste 4 250 SF Negotiable $34.80 /SF/YR $2.90 /SF/MO $8,700 /YR $725.00 /MO Office - Now
2nd Floor, Ste 210 1,525 SF Negotiable $25.00 /SF/YR $2.08 /SF/MO $38,125 /YR $3,177 /MO Office Full Build-Out 30 Days
2nd Floor, Ste 240 2,792 SF Negotiable $25.00 /SF/YR $2.08 /SF/MO $69,800 /YR $5,817 /MO Office Full Build-Out Now
4th Floor, Ste 420 1,150 SF Negotiable $25.00 /SF/YR $2.08 /SF/MO $28,750 /YR $2,396 /MO Office - 30 Days
4th Floor, Ste 430 2,680 SF Negotiable $25.00 /SF/YR $2.08 /SF/MO $67,000 /YR $5,583 /MO Office Full Build-Out Now

1st Floor, Ste 3

Size
250 SF
Term
Negotiable
Rental Rate
$34.80 /SF/YR $2.90 /SF/MO $8,700 /YR $725.00 /MO
Space Use
Office
Condition
-
Available
Pending

1st Floor, Ste 4

Size
250 SF
Term
Negotiable
Rental Rate
$34.80 /SF/YR $2.90 /SF/MO $8,700 /YR $725.00 /MO
Space Use
Office
Condition
-
Available
Now

2nd Floor, Ste 210

Size
1,525 SF
Term
Negotiable
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $38,125 /YR $3,177 /MO
Space Use
Office
Condition
Full Build-Out
Available
30 Days

2nd Floor, Ste 240

Size
2,792 SF
Term
Negotiable
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $69,800 /YR $5,817 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 420

Size
1,150 SF
Term
Negotiable
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $28,750 /YR $2,396 /MO
Space Use
Office
Condition
-
Available
30 Days

4th Floor, Ste 430

Size
2,680 SF
Term
Negotiable
Rental Rate
$25.00 /SF/YR $2.08 /SF/MO $67,000 /YR $5,583 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

1st Floor, Ste 3

Size 250 SF
Term Negotiable
Rental Rate $34.80 /SF/YR
Space Use Office
Condition -
Available Pending

Single private office, with parking. $725 per month. Located in the downtown Concord.

  • Rate includes utilities, building services and property expenses
  • 1 Private Office

1st Floor, Ste 4

Size 250 SF
Term Negotiable
Rental Rate $34.80 /SF/YR
Space Use Office
Condition -
Available Now

Single private office, with parking. $725 per month. Located in the downtown Concord.

  • Rate includes utilities, building services and property expenses
  • 1 Private Office
1 of 1
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
100 Main St, Concord, MA for lease Floor Plan- Image 1 of 1
Suite 210 1525SF

2nd Floor, Ste 210

100 Main St, Concord, MA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 1,525 SF
Term Negotiable
Rental Rate $25.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available 30 Days

4 private offices, conference room, kitchenette

  • Listed lease rate plus proportional share of utilities
  • Fully Built-Out as Standard Office
  • 4 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 4,317 SF of adjacent space
1 of 5
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
100 Main St, Concord, MA for lease Interior Photo- Image 1 of 5
IMG_6527
100 Main St, Concord, MA for lease Interior Photo- Image 2 of 5
IMG_6522
100 Main St, Concord, MA for lease Interior Photo- Image 3 of 5
IMG_6526
100 Main St, Concord, MA for lease Building Photo- Image 4 of 5
Roof deck
100 Main St, Concord, MA for lease Interior Photo- Image 5 of 5
IMG_6523

2nd Floor, Ste 240

100 Main St, Concord, MA for lease Interior Photo- Image 1 of 5
Interior Photo
100 Main St, Concord, MA for lease Interior Photo- Image 2 of 5
Interior Photo
100 Main St, Concord, MA for lease Interior Photo- Image 3 of 5
Interior Photo
100 Main St, Concord, MA for lease Building Photo- Image 4 of 5
Building Photo
100 Main St, Concord, MA for lease Interior Photo- Image 5 of 5
Interior Photo
Size 2,792 SF
Term Negotiable
Rental Rate $25.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Listed lease rate plus proportional share of utilities
  • Can be combined with additional space(s) for up to 4,317 SF of adjacent space

4th Floor, Ste 420

Size 1,150 SF
Term Negotiable
Rental Rate $25.00 /SF/YR
Space Use Office
Condition -
Available 30 Days

  • Listed lease rate plus proportional share of utilities
  • Can be combined with additional space(s) for up to 3,830 SF of adjacent space

4th Floor, Ste 430

Size 2,680 SF
Term Negotiable
Rental Rate $25.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Listed lease rate plus proportional share of utilities
  • Can be combined with additional space(s) for up to 3,830 SF of adjacent space

PROPERTY OVERVIEW

Located in the heart of downtown Concord. Work in the center of the historic and vibrant downtown! 100 Main Street in Concord, MA is a 4-story office property totaling about 18,424 square feet.

  • Car Charging Station

PROPERTY FACTS

Building Type
Office
Year Built
1950
Building Height
4 Stories
Building Size
18,424 SF
Building Class
C
Typical Floor Size
4,606 SF
Unfinished Ceiling Height
11’
Parking
35 Surface Parking Spaces
Covered Parking

ATTACHMENTS

100 Main Street Flyer Nov 2025
1 1
100 Main St, Concord, MA - AERIAL map view
Walk Score®
Very Walkable (76)
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
(978) 369-4884 x4

Still interested?

Contact the broker for more information about this property

CONTACT

  • Listing ID: 20215911

  • Date on Market: 11/4/2025

  • Last Updated:

  • Address: 100 Main St, Concord, MA 01742

More public record information on 100 Main St, Concord, MA 01742

The Historic Concord Office Property at 100 Main St, Concord, MA 01742 is currently available. Contact Omni Properties, LLC for more information.

OFFICE PROPERTIES IN NEARBY NEIGHBORHOODS

NEARBY LISTINGS

1 of 10
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
100 Main St, Concord, MA for lease Building Photo- Image 1 of 10
Building Photo
100 Main St, Concord, MA for lease Building Photo- Image 2 of 10
100 Main Exterior New 2023
100 Main St, Concord, MA for lease Floor Plan- Image 3 of 10
2nd Floor - 1525 SF
100 Main St, Concord, MA for lease Floor Plan- Image 4 of 10
2nd Floor - 2792
100 Main St, Concord, MA for lease Building Photo- Image 5 of 10
100 Main - Office 3
100 Main St, Concord, MA for lease Building Photo- Image 6 of 10
Building Photo
100 Main St, Concord, MA for lease Building Photo- Image 7 of 10
Building Photo
100 Main St, Concord, MA for lease Other- Image 8 of 10
Other
100 Main St, Concord, MA for lease Aerial- Image 9 of 10
Aerial
1 of 1

Connect with us

© 2025 CoStar Group

The LoopNet service and information provided therein, while believed to be accurate, are provided "as is". LoopNet disclaims any and all representations, warranties, or guarantees of any kind.

Welch's Bldg | 100 Main St
(978) 369-4884 x 4

Welch's Bldg | 100 Main St

Tyler Spring
(978) 369-4884 x4

Already a member? Log In

First Name*

Last Name*

Email*

Email address is required

Phone*

Ext (optional)

Company (optional)

How much space do you need? (optional)

Select Size

Message*

Message is required

{{getContactFormMessageFieldCharacterCount()}} out of 600

New to LoopNet? No problem. We'll automatically create a free account for you. By clicking the button, you agree to LoopNet's Terms of Use and Privacy Notice.

Hmm, there seems to have been an error sending your message. Please try again.

Thanks! Your message was sent.

Send another message
Link copied
Your LoopNet account has been created!

Please Share Your Feedback

We welcome any feedback on how we can improve LoopNet to better serve your needs.
X
{{ getErrorText(feedbackForm.starRating, "rating") }}
255 character limit ({{ remainingChars() }} charactercharacters remainingover)
{{ getErrorText(feedbackForm.msg, "rating") }}
{{ getErrorText(feedbackForm.fname, "first name") }}
{{ getErrorText(feedbackForm.lname, "last name") }}
{{ getErrorText(feedbackForm.phone, "phone number") }}
{{ getErrorText(feedbackForm.phonex, "phone extension") }}
{{ getErrorText(feedbackForm.email, "email address") }}
You can provide feedback any time using the Help button at the top of the page.