53 Denison Ave, Groton, CT 06340 Property Records

Groton Town property record for 53 Denison Ave, Groton, CT 06340

Property Summary

Property Type	Duplex
Details	4 bd · 3.5 ba · 2,004 sqft · built 1941
Lot Size	0.16 acres (6,970 sqft)
Owner	Individual Name on File
Last Sale	$355,000 (Mar 2024)
Tax Bill	$4,960 (2025)
Deeds & Mortgages	Mar 2024 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`GROT M:168806488624`

Property Details

APN / Parcel Number

Primary APN	`GROT M:168806488624`
Alternative APNs	`168806488624` `14077001`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Units	2 Units
Stories	2 Stories
Building Area	2,004 sqft Living Area

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1941
Architectural Style	Duplex Single
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	6,970 sqft (0.16 acres)
Deck Area	Deck Area
Loading Dock	Loading Dock

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	168806488624
Street Address	53 DENISON AVE
City	GROTON
State	CT
Zip	06340-4414
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R52
Jurisdiction	GROTON CT
Township / Civil Division	GROTON
Census Block Group	2
Census Block	2033
Census Tract	702400

Owner

53 Denison Ave, a duplex, is owned and occupied by an individual who bought it in March 2024.

Source: Groton Town records, as of June 25, 2026

Owner of Record	Individual Name on File
Mailing Address	53 DENISON AVE, GROTON, CT 06340-4414
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 18, 2024 · Amount on File
Deed Sale	Mar 18, 2024 · Amount on File
Prior Sale	Aug 19, 2014 · Amount on File
Deed Book / Page	1303 / 334
Transfer Doc	1127-309
Record Updated	Sep 20, 2026

March 2024: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GROTON CT
Recording Date	Mar 18, 2024
Property Address	53 DENISON AVE, GROTON, CT 06340-4414
Document Number	001303-334
Book / Page	1303 / 334
Instrument Date	Mar 15, 2024
Transaction Type	Transfer
Record Updated	Jan 21, 2026

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0001303337
Date	Mar 18, 2024
Instrument	1303/337

Lender

Name	HOMESTEAD FUNDING CORP
Type	Mortgage Company

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 53 Denison Ave was $4,960.

Source: Groton Town assessment roll, as of June 25, 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Groton Town
Municipality	Groton City
Unified School District	Groton School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,960.00	$171,570 Land $90,720 Building $80,850	$120,099 Land $63,504 Building $56,595
2024	$4,960.00 (+12.52%)
2023	$4,408.00 (+3.4%)	$170,870 (-) Land $56,070 Building $114,800
2022	$4,263.00	$170,870 Land $56,070 Building $114,800

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 53 Denison Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 20, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 53 Denison Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	GROTON UTILITIES serves 30,200 people · EPA ID CT0590011
Water Source	Surface water
Last State Inspection	Jun 2024
Lead	1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 295 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Xfinity Cable	2,000 / 250
Breezeline Cable	1,000 / 50
Verizon Fixed Wireless	300 / 20