For sale

$439,999

18 Knowlton St, Gardner, MA 01440

4beds

1,838sqft

$2,929/mo

Get pre-qualified

Multi Family

Built in 1895

-- sqft lot

$437,400 Zestimate^®

$239/sqft

$-- HOA

What's special

Brand-new boilersAll-new plumbingNew cabinetryAll-new electrical systemsNew appliances

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.

2 days

139

1

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 2
Full bathrooms: 2

Features

Has basement: No
Has fireplace: No

Interior area

Total structure area: 1,838
Total interior livable area: 1,838 sqft
Finished area above ground: 1,838

Property

Parking

Total spaces: 6
Parking features: Paved Drive, Off Street
Uncovered spaces: 6

Features

Patio & porch: Enclosed
Exterior features: Balcony

Lot

Size: 4,536 Square Feet

Details

Parcel number: M:0M22 B:0015 L:0041,3536163
Zoning: R1

Construction

Type & style

Home type: MultiFamily
Property subtype: Multi Family

Materials

Frame
Foundation: Other
Roof: Slate

Condition

Year built: 1895

Utilities & green energy

Electric: 220 Volts
Sewer: Public Sewer
Water: Public

Community & HOA

Location

Region: Gardner

Financial & listing details

Price per square foot: $239/sqft
Tax assessed value: $208,300
Annual tax amount: $2,868
Date on market: 8/13/2026
Total actual rent: 9999

Estimated market value

$437,400

$416,000 - $459,000

$1,839/mo

Price history

Date	Event	Price
8/13/2026	Listed for sale	$439,999+731.8%$239/sqft
Source: MLS PIN #73563407 Report a problem
10/31/1997	Sold	$52,900$29/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$2,512 +0.3%	$174,900 +4.7%
2024	$2,505 +2.7%	$167,100 +10.5%
2023	$2,439 +8.9%	$151,200 +25.5%
2022	$2,240 +5.5%	$120,500 +13.7%
2021	$2,124 -27.6%	$106,000 -28.7%
2020	$2,933 +2.8%	$148,600 +4.9%
2019	$2,854 +16.3%	$141,700 +17%
2018	$2,455 +2.5%	$121,100 +3.5%
2017	$2,396 +2.5%	$117,000 +2.5%
2016	$2,338 +2.5%	$114,200
2015	$2,282 +2.1%	$114,200 -3.5%
2014	$2,234 +2.1%	$118,400 -5.5%
2013	$2,188 -3.1%	$125,300 -7.5%
2012	$2,259 +1.9%	$135,500 -4.2%
2011	$2,217 +2%	$141,500 -3.3%
2010	$2,174 -7.5%	$146,300 -18.6%
2009	$2,350 +6.5%	$179,800 -1.3%
2008	$2,206 +2.7%	$182,200 -1.2%
2007	$2,148 +11.8%	$184,500 +18.2%
2006	$1,922 +1.6%	$156,100 +3.7%
2005	$1,892 +36.2%	$150,500 +97.2%
2004	$1,389 +2.7%	$76,300
2003	$1,352 +3.6%	$76,300
2002	$1,305 +6.1%	$76,300 +19%
2000	$1,230	$64,100