Weston, MA
Middlesex County42.3668°N, 71.3031°W
Tracking 4,356 properties across Weston, Massachusetts — a community where the median home dates to 1965 and the oldest to 1687. Every parcel mapped with building characteristics, environmental exposure, hazard risk, and ownership history assembled from 140+ sources.
4,356
Properties Tracked
1965
Median Year Built
$1.8M
Median Assessed Value
6%
FEMA Flood Zone
1.25M
NEP Data Facts Tracked
Zone 1
Radon Zone
Click any parcel to view intelligence
Weston, MAInc. 1642
Weston is one of the wealthiest communities in Massachusetts, with a housing landscape dominated by large single-family homes on expansive, wooded lots. The town has no commercial center of any consequence — that's by design. Large-lot zoning, aggressive conservation land acquisition, and the community's deliberate preservation of its rural estate character have created a municipality that functions almost exclusively as a high-end residential enclave.
For property professionals, Weston is a rarified market where individual property transactions can involve assessments in the millions and where the estate-like character of the housing stock means every property is essentially unique. The town's proximity to Route 128 and the Mass Pike, combined with its school system and open space, drive demand from executives and professionals. Comparable selection for appraisals requires property-level data on condition, lot characteristics, and improvement history — neighborhood averages are meaningless when no two properties are alike.
Risk Profile
FEMA flood zones, fire protection grades, radon — parcel by parcel
FEMA Flood Zones
249 properties (6%) are in FEMA Special Flood Hazard Areas, where flood insurance is required for federally-backed mortgages.
X
4,107
AE
155
A
94
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
11
Grade B
637
Grade C
3,170
Grade D
368
Grade E
170
Zone 1
Radon Risk
123 mph
Design Wind Speed
ASCE 7 standard
40 psf
Ground Snow Load
ASCE 7 standard
Relatively Low
FEMA Risk Index
NRI composite rating
The Property Landscape
4,356 properties · Median year built 1965 · Avg 3,682 sf
Property Types
Single Family
3,391
Institutional
387
Two-Family
253
Vacant Land
159
Multi-Family
75
Commercial
50
Other
17
Agricultural / Open Space
13
Industrial
3
Residential Other
3
Construction by Era
Pre-1800
46
1800-1849
42
1850-1899
177
1900-1949
682
1950-1979
1,471
1980-1999
595
2000+
832
Architectural Styles
Colonial
1,701
Contemporary
569
Vacant Land
435
Cape Cod
379
Ranch
262
Conventional
145
Condominium
116
Raised Ranch
113
Market Activity
Recorded transactions from Middlesex County Registry of Deeds
1
Sales (12 mo)
Arms-length transactions
$3.0M
Median Sale Price
Past 12 months
77%
Owner-Occupied
2%
Out-of-State Owners
NE Provenance tracks recorded deeds, mortgages, and liens for 99% of Weston 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
35,284 municipal building permits on file · 81% of properties
NE Provenance tracks 35,284 building permits across 3,506 Weston properties — 81% coverage. 1,957 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.
35,284
Permits on File
81%
Coverage
Properties with permits
1,957
Active (5yr)
Recent permit activity
88%
Condition Rated
NEP assessment
Living in Weston
Middlesex County · Massachusetts
Zip Codes02493
11,851
Population
2020 Census
4,356
Properties
$1.8M
Median Assessed
77%
Owner-Occupied
17.3
Square Miles
Weston covers 17.3 square miles in Middlesex County, Massachusetts. The median assessed property value is $1.8M.
Single-family homes account for 3,391 of Weston's 4,356 properties and 328 multi-family buildings. There are 50 commercial properties and 159 parcels of vacant land. About 77% of properties are owner-occupied, and 2% are owned by someone out of state.
Assessed values range widely — the middle 50% of properties fall between $1.2M and $2.7M, with the highest assessed property at $88.9M. 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, and 89% have public water service. Electric service is provided by NSTAR ELECTRIC COMPANY. 900 properties have identified commercial activity — restaurants, retail, professional offices, and services that give Weston its character. 274 properties have swimming pools.
What Weston Property Intelligence Means for Professionals
Insurance & Underwriting
Weston's fire protection grade distribution (11 Grade A, 637 Grade B) directly affects premium calculation. Parcel-level hazard data provides the granularity that ZIP-level aggregation misses.
Insurance solutionsReal Estate & Appraisal
Weston's 10 property types, spanning construction from 1687 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. 6% of Weston 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
35,284 permits across 81% of properties means most Weston inspection assignments can start with documented renovation and system history, not a blank slate.
Inspection solutionsExplore Weston property intelligence.
4,356 Weston 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/weston-ma. For references or attribution, please link back to this page or neprovenance.com. Thank you, we appreciate it.