40 Library St, Mystic, CT 06355 Property Records

Groton Town property record for 40 Library St, Mystic, CT 06355

Property Summary

Property Type	Government / Public Use
Details	2 ba · 13,302 sqft · built 1893
Lot Size	1.53 acres (66,647 sqft)
Owner	Company Name on File
Deeds & Mortgages	Jul 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`261918208890 E`

Property Details

APN / Parcel Number

Primary APN	`261918208890 E`
Alternative APNs	`GROT M:261918208890 L:E` `GROT M:261918209832 L:E` `261918209832 E` `167067000`

Interior

Full Baths	2 Baths
Stories	2 Stories
Building Area	13,302 sqft Gross Area
Elevator	Elevator

Exterior

Year Built	Built 1893
Effective Year Built	Effective 1893
Exterior Material	Brick
Roof Type	Gable
Roof Material	Tile
Lot Area	66,647 sqft (1.53 acres)
Boat Access	Boat Access

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	261918209832 E
Street Address	40 LIBRARY ST
City	MYSTIC
State	CT
Zip	06355-2418
Property Category	Public Works
Property Type	Public Works > Government / Public Use
Local Zoning Code	RS-12
Legal Lot Number	E
Jurisdiction	GROTON CT
Township / Civil Division	GROTON
Census Block Group	1
Census Block	1010
Census Tract	703000

Owner

Source: Groton Town records · APN 261918208890 E

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	Company Name on File
Mailing Address	40 LIBRARY ST, MYSTIC, CT 06355-2418
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Jun 22, 2023
Record Updated	Sep 20, 2026

July 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	GROTON CT
Recording Date	Jul 11, 2023
Property Address	40 LIBRARY ST, MYSTIC, CT 06355-2418
Document Number	001293-988
Book / Page	1293 / 988
Instrument Date	Jun 22, 2023
Transaction Type	Transfer
Record Updated	Jul 18, 2024

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Groton Town
Unified School District	Groton 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	Assessed Value	Assessed Market Value
2025	$1,483,650 (+3.44%) Land $728,609 Building $755,041	$1,038,555 Land $510,026 Building $528,529
2023	$1,434,370 (-) Land $355,740 Building $1,078,630
2022	$1,434,370 Land $355,740 Building $1,078,630

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, County delivery 09011C, as of September 20, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Low lower than 98% of the US · lower than 97.2% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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

Historic Designation

Source: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026

Historic District	Within the Mystic River Historic District listed 1979 · 443 contributing resources · NRIS 79002728

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Xfinity Cable	2,000 / 250
Cogeco Cable Holdings II Cable	1,000 / 50
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Verizon.

Based on FCC filings for 309 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CT1370011, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	AQUARION-MYSTIC private · serves 10,788 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.