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18 Knowlton St, 
Gardner, MA 01440

$429,999

4

Beds

2

Baths

1,838

Sq Ft

Multi-Family

Active

Listed by

Olivia Grabka

, 

Olivia Grabka

Realty Negotiations, LLC.

978-406-5134

Last updated:

September 14, 2026, 11:14 AM

MLS#

73563407

Source:

MLSPIN

About This Home

18 Knowlton St

Fully gut-renovated multi-family with permitted 2021 renovation — this property underwent a comprehensive top-to-bottom renovation completed under full permit in 2021, including brand-new boilers, all-new plumbing, and all-new electrical systems throughout. Every kitchen was fully renovated with new cabinetry and new appliances. The property has been professionally managed and well-maintained since renovation. Currently tenant-occupied at will; the first-floor unit will be delivered vacant at closing — ideal for an owner-occupant or investor seeking immediate income with upside. Don't miss this turnkey opportunity in a renovated, low-maintenance asset.

Home Facts

Multi-Family

2 Baths

4 Bedrooms

Built in 1895

Price Summary

429,999

$233 per Sq. Ft.

MLS #:

73563407

Last Updated:

September 14, 2026, 11:14 AM

Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

2

Full Bathrooms:

2

Interior

Living Area:

1,838 Sq. Ft.

Structure

Structure

Building Area:

1,838 Sq. Ft.

Year Built:

1895

Lot

Lot Size (Sq. Ft):

4,536

Finances & Disclosures

Finances

Price:

$429,999

Price per Sq. Ft:

$233 per Sq. Ft.

Source:MLSPIN
The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.