30 Denison Ave, Mystic, CT 06355 Property Records

Stonington Town property record for 30 Denison Ave, Mystic, CT 06355

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,323 sqft · built 1860
Lot Size	0.46 acres (20,038 sqft)
Owner	Company Name on File
Last Sale	$605,000 (Oct 2021)
Tax Bill	$8,775 (2024)
Deeds & Mortgages	Aug 2023 Refinance Oct 2021 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`STON M:174 B:12 L:1`

Property Details

APN / Parcel Number

Primary APN	`STON M:174 B:12 L:1`
Alternative APNs	`STNG M:174 B:12 L:1` `0254600` `254600`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,323 sqft Living Area
Gross Area	5,417 sqft
1st Floor Area	1,545 sqft
Basement Area	1,037 sqft
Unfinished Basement	1,037 sqft

Exterior

Year Built	Built 1860
Effective Year Built	Effective 1860
Architectural Style	Conventional
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	20,038 sqft (0.46 acres)
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	254600
Street Address	30 DENISON AVE
City	MYSTIC
State	CT
Zip	06355-2810
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RH-10
Legal Block	12
Legal Lot Number	1
Jurisdiction	STONINGTON CT
Township / Civil Division	STONINGTON
Census Block Group	3
Census Block	3002
Census Tract	705300

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Mystic Bridge Historic District listed 1979 · 345 contributing resources · NRIS 79002671

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

30 Denison Ave is owned by a company that bought it in October 2021.

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

Owner of Record	Company Name on File
Mailing Address	1776 MERIDEN RD, WOLCOTT, CT 06716-3341
Owner Type	Company
Vesting	Company

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

Date	Document
Aug 18, 2023	Deed of Trust, Mortgage · Stand-Alone Refinance THOMASTON SAVINGS BANK
Oct 20, 2021	Warranty Deed, Transfer · Stand-Alone First Mortgage THOMASTON SAVINGS BANK
Jul 15, 2020	Deed of Trust, Mortgage · Conventional Mortgage COREPLUS FCU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 20, 2021 · Amount on File
Deed Sale	Oct 20, 2021 · Amount on File
Deed Document Number	20213185310002
Deed Book / Page	826 / 818
Record Updated	Sep 20, 2026

August 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	STONINGTON CT
Property Address	30 DENISON AVE, MYSTIC, CT 06355-2810
Transaction Type	Mortgage
Record Updated	Apr 24, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	000850-620
Date	Aug 18, 2023
Book Page	850/620
Instrument	3300420011

Lender

Name	THOMASTON SAVINGS BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	253 Months
Due	Sep 1, 2044

October 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	STONINGTON CT
Recording Date	Oct 20, 2021
Property Address	30 DENISON AVE, MYSTIC, CT 06355-2810
Document Number	000826-818
Book / Page	826 / 818
Instrument Date	Oct 19, 2021
Instrument	3185310002
Transaction Type	Transfer
Record Updated	Apr 24, 2025

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
Address	1776 MERIDEN RD, WOLCOTT, CT 06716-3341

Mortgage

Document Number	, /
Date	Oct 20, 2021
Instrument	/

Lender

Name	THOMASTON SAVINGS BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	STONINGTON CT
Property Address	30 DENISON AVE, MYSTIC, CT 06355-2810
Document Number	803-199
Instrument Date	Jul 15, 2020
Transaction Type	Mortgage
Record Updated	Jun 23, 2021
Title Company	UNKNOWN

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	30 DENISON AVENUE MYSTIC STONINGTON CT 06378, STONINGTON, CT 06378

Mortgage

Document Number	803-199
Date	Jul 24, 2020
Book Page	000803/000199

Lender

Name	COREPLUS FCU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	60 Months
Due	Jul 23, 2025

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$439,200 Land $73,700 Building $365,500	$307,440 Land $51,590 Building $255,850
2024	$8,775.00 (+3.99%)
2023	$8,438.00 (+23.72%)	$439,200 (+63.51%) Land $73,700 Building $365,500
2022	$6,820.00	$268,600 Land $77,500 Building $191,100

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 30 Denison Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
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 30 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	AQUARION-MYSTIC private · serves 10,788 people · EPA ID CT1370011
Water Source	Surface water
Last State Inspection	Nov 2025
Lead	Under 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 342 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
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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