Griswold, CT
Southeastern Connecticut41.5845°N, 71.9407°W
Tracking 4,676 properties across Griswold, Connecticut — a community where the median home dates to 1975 and the oldest to 1700. Every parcel mapped with building characteristics, environmental exposure, hazard risk, and ownership history assembled from 140+ sources.
4,676
Properties Tracked
1975
Median Year Built
$219K
Median Assessed Value
9%
FEMA Flood Zone
1.26M
NEP Data Facts Tracked
Zone 2
Radon Zone
Click any parcel to view intelligence
Griswold, CTInc. 1815
Griswold is a small town in the Quinebaug River valley, with the village of Jewett City as its commercial center. The town's mill heritage is visible in the village center, and the surrounding areas are rural residential.
For property professionals, Griswold is an affordable market with a compact village center and dispersed rural development. The Quinebaug River creates flood zone exposure near Jewett City.
Risk Profile
FEMA flood zones, fire protection grades, radon — parcel by parcel
FEMA Flood Zones
436 properties (9%) are in FEMA Special Flood Hazard Areas, where flood insurance is required for federally-backed mortgages.
X
4,237
AE
321
A
115
NOT DIGITIZED
3
Fire Protection Grades
Fire protection grades reflect proximity to fire stations and hydrant infrastructure. Grade affects insurance pricing in every New England state.
Grade A
425
Grade B
760
Grade C
441
Grade D
1,928
Grade E
1,122
Zone 2
Radon Risk
123 mph
Design Wind Speed
ASCE 7 standard
30 psf
Ground Snow Load
ASCE 7 standard
Relatively Moderate
FEMA Risk Index
NRI composite rating
The Property Landscape
4,676 properties · Median year built 1975 · Avg 1,639 sf
Property Types
Single Family
3,190
Vacant Land
289
Other
282
Two-Family
236
Institutional
231
Commercial
118
Residential Other
103
Three-Family
80
Agricultural / Open Space
63
Multi-Family
46
Construction by Era
Pre-1800
12
1800-1849
28
1850-1899
107
1900-1949
769
1950-1979
1,284
1980-1999
1,043
2000+
506
Architectural Styles
Ranch
1,038
Cape Cod
567
Colonial
494
Raised Ranch
366
Conventional
322
Multi-Family
161
Contemporary
152
Duplex
117
Market Activity
Recorded transactions from Southeastern Connecticut Registry of Deeds
61%
Owner-Occupied
5%
Out-of-State Owners
NE Provenance tracks recorded deeds, mortgages, and liens for 92% of Griswold properties. Ownership intelligence includes transaction history, entity detection, portfolio identification, and lien analysis — assembled from public registry records into a single property-level profile.
Living in Griswold
Southeastern Connecticut · Connecticut
Zip Codes06351
11,402
Population
2020 Census
4,676
Properties
$219K
Median Assessed
61%
Owner-Occupied
34.7
Square Miles
Griswold covers 34.7 square miles in Southeastern Connecticut, Connecticut. The median assessed property value is $219K.
Single-family homes account for 3,190 of Griswold's 4,676 properties and 362 multi-family buildings. There are 118 commercial properties and 289 parcels of vacant land. About 61% of properties are owner-occupied, and 5% are owned by someone out of state.
Assessed values range widely — the middle 50% of properties fall between $169K and $289K, with the highest assessed property at $19.5M. For professionals working in this market, the value spread tells you a lot about what you'll encounter door to door.
20% of properties are on municipal sewer, with the remainder on private septic systems, and 41% have public water service. Electric service is provided by MOHEGAN TRIBAL UTILITY AUTHORITY. 566 properties have identified commercial activity — restaurants, retail, professional offices, and services that give Griswold its character.
What Griswold Property Intelligence Means for Professionals
Insurance & Underwriting
Griswold's fire protection grade distribution (425 Grade A, 760 Grade B) directly affects premium calculation. Parcel-level hazard data provides the granularity that ZIP-level aggregation misses.
Insurance solutionsReal Estate & Appraisal
Griswold's 10 property types, spanning construction from 1700 to present, require local market knowledge for accurate comparable selection and valuation. NEP assembles building characteristics, environmental exposure, and condition signals into a single property profile.
Real estate solutionsLending & Title
Collateral assessment requires flood zone verification, environmental screening, and ownership chain validation. 9% of Griswold properties are in SFHAs where flood insurance is a federal lending requirement. NEP provides property-level compliance data from public records.
Lending solutionsInspection & Property Services
Understanding a property's construction era, environmental exposure, and building characteristics before arriving on site transforms inspection from discovery to verification.
Inspection solutionsExplore Griswold property intelligence.
4,676 Griswold properties — each with risk profiles, building data, permit history, and ownership analysis from 140+ sources. Open any property and see the full picture.
Newburyport, MA · Federalist · 3,524 sq ft · 4 bed / 3 bath · Built 1800 · Historic District
NEP Property Intelligence Summary
ConditionC1Fire ClassBFlood ZoneXOwnerIndividualOccupancyOwner-Occupied
Purchased2018 (8yr)Permits11 totalSystems3 updatedLiensClearAssessed$1.6MOcean0.3 mi
EraPre-1940HistoricDesignatedRenovationRecentRadonZone 1
Cite this data
Source: NE Provenance, “Professional Property Intelligence for New England,” neprovenance.com/insights/town/griswold-ct. For references or attribution, please link back to this page or neprovenance.com. Thank you, we appreciate it.