Norwalk, CT
Western Connecticut41.1176°N, 73.4079°W
Tracking 30,205 properties across Norwalk, Connecticut — a community where the median home dates to 1960 and the oldest to 1700. Every parcel mapped with building characteristics, environmental exposure, hazard risk, and ownership history assembled from 140+ sources.
30,205
Properties Tracked
1960
Median Year Built
$529K
Median Assessed Value
13%
FEMA Flood Zone
8.74M
NEP Data Facts Tracked
47%
Coastal Zone
Click any parcel to view intelligence
Norwalk, CTInc. 1640
Norwalk is a mid-sized city on Long Island Sound with one of the most diverse property landscapes in Fairfield County. The city ranges from the dense, urban neighborhoods near downtown to the waterfront communities of Rowayton and Wilson Point to the suburban neighborhoods in the northern sections. The harbor, the islands, and the Sound coastline create extensive coastal exposure.
For property professionals, Norwalk is a complex market where neighborhood matters enormously — Rowayton waterfront values bear no resemblance to downtown multi-family assessments, and the coastal flood zones create risk variation that requires parcel-level data. The city's I-95 and Metro-North access drive demand across the spectrum.
Risk Profile
FEMA flood zones, fire protection grades, radon, coastal exposure, storm surge — parcel by parcel
FEMA Flood Zones
3,959 properties (13%) are in FEMA Special Flood Hazard Areas, where flood insurance is required for federally-backed mortgages.
X
26,241
AE
3,424
VE
449
A
86
NOT DIGITIZED
5
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
3,696
Grade B
18,695
Grade C
6,112
Grade D
1,060
Grade E
642
Coastal & Water Exposure
14,216 properties (47%) are within 3 miles of the ocean. 4,878 are classified as waterfront. The closest property is 0 ft from the coastline.
1,596
SLR 1 ft
Properties affected
1,936
SLR 3 ft
Properties affected
3,122
SLR 6 ft
Properties affected
5,865
Surge Exposure
Cat 1/2/3/4
1,988
Estuary
Waterfront
1,078
Pond
Waterfront
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
30,205 properties · Median year built 1960 · Avg 2,930 sf
Property Types
Single Family
16,185
Condominium
10,329
Commercial
991
Institutional
866
Residential Other
445
Other
383
Three-Family
354
Multi-Family
210
Industrial
165
Agricultural / Open Space
147
Construction by Era
Pre-1800
31
1800-1849
137
1850-1899
1,129
1900-1949
6,747
1950-1979
12,600
1980-1999
4,784
2000+
1,884
Architectural Styles
Colonial
7,694
Cape Cod
3,877
Condominium
3,598
Ranch
3,064
Raised Ranch
1,473
Split Level
1,103
Contemporary
448
Condo Flat
336
Market Activity
Recorded transactions from Western Connecticut Registry of Deeds
67%
Owner-Occupied
4%
Out-of-State Owners
NE Provenance tracks recorded deeds, mortgages, and liens for 97% of Norwalk properties. Ownership intelligence includes transaction history, entity detection, portfolio identification, and lien analysis — assembled from public registry records into a single property-level profile.
Building Permits & Maintenance
140,640 municipal building permits on file · 62% of properties
NE Provenance tracks 140,640 building permits across 18,605 Norwalk properties — 62% coverage. 3,647 properties have permit activity in the last five years.
Each permit record reveals maintenance decisions: roof replacements, electrical upgrades, kitchen renovations, solar installations. For insurance, lending, and appraisal professionals, permit history is the most objective evidence of property condition available from public records.
140,640
Permits on File
62%
Coverage
Properties with permits
3,647
Active (5yr)
Recent permit activity
90%
Condition Rated
NEP assessment
Living in Norwalk
Western Connecticut · Connecticut
Zip Codes0648206820068400685006851068530685406855068560688006897
91,184
Population
2020 Census
30,205
Properties
$529K
Median Assessed
67%
Owner-Occupied
22.9
Square Miles
Norwalk covers 22.9 square miles in Western Connecticut, Connecticut. The median assessed property value is $529K.
Single-family homes account for 16,185 of Norwalk's 30,205 properties, with 10,329 condominiums and 565 multi-family buildings. There are 991 commercial properties and 50 parcels of vacant land. About 67% of properties are owner-occupied, and 4% are owned by someone out of state.
Assessed values range widely — the middle 50% of properties fall between $393K and $717K, with the highest assessed property at $914.4M. For professionals working in this market, the value spread tells you a lot about what you'll encounter door to door.
Most of Norwalk (83%) is on municipal sewer. Electric service is provided by UNITED ILLUMINATING CO. 8,897 properties have identified commercial activity — restaurants, retail, professional offices, and services that give Norwalk its character. 1,498 properties have swimming pools.
Environmental note: Norwalk has an average EPA lead paint indicator at the 57th percentile nationally, consistent with 1,297 properties built before 1900 when lead paint was standard. 26,761 properties exceed at least one EPA environmental justice threshold — a factor in lending compliance and environmental due diligence.
What Norwalk Property Intelligence Means for Professionals
Insurance & Underwriting
With 13% of properties in FEMA flood zones and 47% in the coastal zone, Norwalk concentrates several major underwriting variables. Parcel-level hazard data provides the granularity that ZIP-level aggregation misses.
Insurance solutionsReal Estate & Appraisal
Norwalk'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. 13% of Norwalk 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
140,640 permits across 62% of properties means most Norwalk inspection assignments can start with documented renovation and system history, not a blank slate.
Inspection solutionsExplore Norwalk property intelligence.
30,205 Norwalk 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/norwalk-ct. For references or attribution, please link back to this page or neprovenance.com. Thank you, we appreciate it.