309 Mill St, Southington, CT 06489 Property Records

Southington Town property record for 309 Mill St, Southington, CT 06489 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	5 Beds
Bathrooms	2 Baths
Architecture Style	Conventional
Year Built	Built 1925
Square Footage	2,059 sqft Living Area
Lot Size	20,909 sqft (0.48 acres)
Occupancy	Owner Occupied
Tax Bill	$5,285.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`SOUT M:110 L:046`
Alternative APNs	`M:110 B:046` `12515`

Interior

Bedrooms	5 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Building Area	2,059 sqft Living Area
Gross Area	3,331 sqft Gross Area
1st Floor	1,298 sqft 1st Floor
Basement Area	510 sqft Basement
Unfinished Basement	1,264 sqft Unfinished
Stories	2 Stories

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1925
Architectural Style	Conventional Style
Exterior Material	Aluminum/Vinyl Exterior
Roof Construction	Gable Roof Construction
Roof Material	Asphalt Roof
Lot Area	20,909 sqft (0.48 acres)

Utilities and HVAC

Cooling System	HVAC Cooling
Heating System	Forced Air with Air Conditioning Heating
Heating Fuel	Oil Heating Fuel

Location & Zoning

Account Number	12515
Street Address	309 MILL ST
City	SOUTHINGTON
State	CT
Zip	06489-4716
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Lot Number	46
Jurisdiction	SOUTHINGTON CT
Minor Civil Division	SOUTHINGTON
Census Blockgroup	1
Census Block	1021
Census Tract	430602

Owner

Source: Southington Town records · APN SOUT M:110 L:046

Assessment roll updated June 25, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Trust Names on File
Mailing Address	309 MILL ST, SOUTHINGTON, CT 06489-4716
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Feb 26, 2021
Transfer Doc	1516-539
Record Refreshed	Sep 20, 2026

March 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SOUTHINGTON CT
Recording Date	Mar 12, 2021
Property Address	309 MILL ST, SOUTHINGTON, CT 06489-4716
Document Number	1516-539
Book / Page	1516 / 539
Instrument Date	Feb 26, 2021
Instrument	3951940002
Transaction Type	Transfer
Record Updated	May 21, 2021

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Tax Assessment & Valuation

Source: Southington Town records · Assessment roll updated June 25, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Southington Town
Unified School District	Southington School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$5,285.00	$159,150 (-) Land $55,630 Building $103,520	$111,405 Land $38,941 Building $72,464
2024	$5,285.00 (+9.38%)
2023	$4,832.00 (+4.23%)	$159,150 (-) Land $55,630 Building $103,520
2022	$4,636.00	$159,150 Land $55,630 Building $103,520