Groton Town property record for 90 Library St, Mystic, CT 06355
| Property Type | Apartment House (2-4 Units) |
|---|---|
| Details | 6 bd · 5 ba · 5,284 sqft · built 1869 |
| Lot Size | 0.725 acres (31,581 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $11,415 (2025) |
| Deeds & Mortgages | Jun 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | GROT M:261917204808 |
| Primary APN | GROT M:261917204808 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 5 Baths |
| Units | 5 Units |
| Stories | 2 Stories |
| Building Area | 5,284 sqft Gross Area |
| Basement Area | 1,024 sqft |
| Unfinished Basement | 1,024 sqft |
| Year Built | Built 1869 |
|---|---|
| Effective Year Built | Effective 1869 |
| Architectural Style | Other |
| Exterior Material | Wood Siding |
| Roof Type | Mansard |
| Roof Material | Rolled Roofing |
| Lot Area | 31,581 sqft (0.725 acres) |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|
| Account Number | 261917204808 |
|---|---|
| Street Address | 90 LIBRARY ST |
| City | MYSTIC |
| State | CT |
| Zip | 06355-2457 |
| Property Category | Commercial |
| Property Type | Residential > Multi-Unit > Apartment House (2-4 Units) |
| Local Zoning Code | RS-12 |
| Jurisdiction | GROTON CT |
| Township / Civil Division | GROTON |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 703000 |
Source: NPS National Register of Historic Places, as of August 1, 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.
90 Library St, a residential property, is owned by an individual.
Source: Groton Town records, as of June 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 10 1/2 HICKORY LN, WESTERLY, RI 02891-1345 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GROTON CT |
| Property Address | 90 LIBRARY ST, MYSTIC, CT 06355-2457 |
| Transaction Type | Mortgage |
| Record Updated | Feb 9, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1184-402 |
|---|---|
| Date | Jun 6, 2017 |
| Book Page | 1184/402 |
| Instrument | 4826140014 |
| Name | JEWETT CITY SVGS BK |
|---|
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 240 Months |
| Due | Jun 1, 2037 |
The 2025 property tax bill for 90 Library St was $11,415.
Source: Groton Town assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Groton Town |
| Unified School District | Groton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $11,415.00 | $419,370 Land $220,773 Building $198,597 | $293,559 Land $154,541 Building $139,018 |
| 2024 | $11,415.00 (+11.99%) | ||
| 2023 | $10,193.00 (+2.24%) | $419,370 (-) Land $135,660 Building $283,710 | |
| 2022 | $9,970.00 | $419,370 Land $135,660 Building $283,710 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 90 Library St 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 risk around 90 Library St 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 98% of the US · lower than 97.2% 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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 309 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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