Seymour, CT

Naugatuck Valley41.3944°N, 73.0742°W

Tracking 6,663 properties across Seymour, Connecticut — a community where the median home dates to 1964 and the oldest to 1700. Every parcel mapped with building characteristics, environmental exposure, hazard risk, and ownership history assembled from 140+ sources.

6,663
Properties Tracked
1964
Median Year Built
$531K
Median Assessed Value
3%
FEMA Flood Zone
1.63M
NEP Data Facts Tracked
Zone 1
Radon Zone
Click any parcel to view intelligence

Seymour, CTInc. 1850

Seymour is a small town in the Naugatuck River Valley, with a compact downtown and residential neighborhoods that reflect its manufacturing heritage. The Naugatuck and Housatonic Rivers create flood zone exposure.

For property professionals, Seymour is an affordable market with river flood risk and a housing stock that mixes dense older development with suburban areas.

Risk Profile

FEMA flood zones, fire protection grades, radon — parcel by parcel

FEMA Flood Zones

217 properties (3%) are in FEMA Special Flood Hazard Areas, where flood insurance is required for federally-backed mortgages.

X
6,446
AE
215
A
2

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
614
Grade B
2,535
Grade C
2,582
Grade D
912
Grade E
20
Zone 1
Radon Risk
123 mph
Design Wind Speed
ASCE 7 standard
30 psf
Ground Snow Load
ASCE 7 standard
Relatively Low
FEMA Risk Index
NRI composite rating

The Property Landscape

6,663 properties · Median year built 1964 · Avg 2,125 sf

Property Types

Single Family
5,757
Other
587
Institutional
155
Mixed Use
132
Two-Family
19
Multi-Family
7
Three-Family
5
Residential Other
1

Construction by Era

Pre-1800
22
1800-1849
42
1850-1899
187
1900-1949
974
1950-1979
1,896
1980-1999
1,004
2000+
642

Market Activity

Recorded transactions from Naugatuck Valley Registry of Deeds

NE Provenance tracks recorded deeds, mortgages, and liens for 63% of Seymour 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 Seymour

Naugatuck Valley · Connecticut

Zip Codes06401064030647806483
16,748
Population
2020 Census
6,663
Properties
$531K
Median Assessed
14.5
Square Miles

Seymour covers 14.5 square miles in Naugatuck Valley, Connecticut. The median assessed property value is $531K.

Single-family homes account for 5,757 of Seymour's 6,663 properties.

Assessed values range widely — the middle 50% of properties fall between $531K and $531K. For professionals working in this market, the value spread tells you a lot about what you'll encounter door to door.

69% of properties are on municipal sewer, with the remainder on private septic systems, and 84% have public water service. Electric service is provided by UNITED ILLUMINATING CO. 1,463 properties have identified commercial activity — restaurants, retail, professional offices, and services that give Seymour its character.

Explore Seymour property intelligence.

6,663 Seymour properties — each with risk profiles, building data, permit history, and ownership analysis from 140+ sources. Open any property and see the full picture.

Federalist home in Newburyport, MA
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/seymour-ct. For references or attribution, please link back to this page or neprovenance.com. Thank you, we appreciate it.