Dennis, MA
Barnstable County41.7354°N, 70.1939°W
Tracking 3,574 properties across Dennis, Massachusetts — a community where the median home dates to 1977 and the oldest to 1704. Every parcel mapped with building characteristics, environmental exposure, hazard risk, and ownership history assembled from 140+ sources.
3,574
Properties Tracked
1977
Median Year Built
$772K
Median Assessed Value
13%
FEMA Flood Zone
1.03M
NEP Data Facts Tracked
99%
Coastal Zone
Click any parcel to view intelligence
Dennis, MAInc. 1639
Dennis is a Mid-Cape town that spans from Cape Cod Bay on the north to Nantucket Sound on the south, giving it both bay-side and sound-side coastline. The town has five villages — Dennis, Dennis Port, East Dennis, South Dennis, and West Dennis — each with a different character and housing stock. The bay-side villages tend toward historic homes and higher values, while the sound-side villages have denser, more seasonal development.
For property professionals, Dennis's dual coastline creates two distinct coastal risk environments within a single town. The bay-side properties face different exposure than the sound-side properties, and the village-by-village variation in housing stock, seasonality, and assessed values makes town-level data unreliable. The seasonal cottage stock in some villages brings condition and winterization considerations that year-round properties don't have.
Risk Profile
FEMA flood zones, fire protection grades, radon, coastal exposure, storm surge — parcel by parcel
FEMA Flood Zones
451 properties (13%) are in FEMA Special Flood Hazard Areas, where flood insurance is required for federally-backed mortgages.
X
3,123
AE
328
VE
123
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
5
Grade B
1,019
Grade C
2,415
Grade D
133
Grade E
2
Coastal & Water Exposure
3,548 properties (99%) are within 3 miles of the ocean. 789 are classified as waterfront. The closest property is 0 ft from the coastline.
302
SLR 1 ft
Properties affected
355
SLR 3 ft
Properties affected
520
SLR 6 ft
Properties affected
788
Surge Exposure
Cat 1/2/3/4
222
Estuary
Waterfront
154
Marine
Waterfront
91
Pond
Waterfront
Zone 3
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
3,574 properties · Median year built 1977 · Avg 29,596 sf
Property Types
Single Family
2,768
Institutional
249
Condominium
227
Two-Family
82
Other
79
Multi-Family
68
Commercial
30
Agricultural / Open Space
28
Mixed Use
25
Industrial
15
Construction by Era
Pre-1800
8
1800-1849
28
1850-1899
49
1900-1949
225
1950-1979
1,335
1980-1999
835
2000+
394
Architectural Styles
Cape Cod
951
Ranch
911
Colonial
409
Old Style
104
Contemporary
79
Government Land
76
Religious School / Hall
68
FLAT/APT
60
Market Activity
Recorded transactions from Barnstable County Registry of Deeds
23%
Owner-Occupied
14%
Out-of-State Owners
NE Provenance tracks recorded deeds, mortgages, and liens for 98% of Dennis 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
11,682 municipal building permits on file · 68% of properties
NE Provenance tracks 11,682 building permits across 2,434 Dennis properties — 68% coverage. 1,554 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.
11,682
Permits on File
68%
Coverage
Properties with permits
1,554
Active (5yr)
Recent permit activity
80%
Condition Rated
NEP assessment
Living in Dennis
Barnstable County · Massachusetts
Zip Codes0263802660
VillagesDennisportEast DennisPortSouth DennisWest Dennis
14,674
Population
2020 Census
3,574
Properties
$772K
Median Assessed
23%
Owner-Occupied
20.9
Square Miles
Dennis covers 20.9 square miles in Barnstable County, Massachusetts. The median assessed property value is $772K.
Single-family homes account for 2,768 of Dennis's 3,574 properties, with 227 condominiums and 151 multi-family buildings. There are 30 commercial properties. About 23% of properties are owner-occupied, and 14% are owned by someone out of state.
Assessed values range widely — the middle 50% of properties fall between $481K and $1.3M, with the highest assessed property at $17.6M. For professionals working in this market, the value spread tells you a lot about what you'll encounter door to door.
Most properties rely on private septic systems. Electric service is provided by NSTAR ELECTRIC COMPANY. 199 properties have identified commercial activity — restaurants, retail, professional offices, and services that give Dennis its character.
What Dennis Property Intelligence Means for Professionals
Insurance & Underwriting
With 13% of properties in FEMA flood zones and 99% in the coastal zone, Dennis concentrates several major underwriting variables. Parcel-level hazard data provides the granularity that ZIP-level aggregation misses.
Insurance solutionsReal Estate & Appraisal
Dennis's 10 property types, spanning construction from 1704 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 Dennis 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
11,682 permits across 68% of properties means most Dennis inspection assignments can start with documented renovation and system history, not a blank slate.
Inspection solutionsExplore Dennis property intelligence.
3,574 Dennis 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/dennis-ma. For references or attribution, please link back to this page or neprovenance.com. Thank you, we appreciate it.