41 DERBY ST #41 SOMERVILLE MA 021451935, 41, SOMERVILLE, MA 02145-1935
Tax Assessment & Valuation
The 2025 property tax bill for 41 Derby St was $6,368, up 41.4% from the year before.
Source: Middlesex County and Somerville City assessment roll, as of April 14, 2026
Property Jurisdictions
Type
Name
State
Massachusetts
County
Middlesex County
Municipality
Somerville City
Unified School District
Somerville School District (PK - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2025
$6,368.00 (+41.45%)
$583,700 (+36.41%)Building $583,700
$510,245 (+3.27%)
2024
$4,502.00 (+3.07%)
$427,900 (+1.3%)Building $427,900
$494,095
2023
$4,368.00
$422,400Building $422,400
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 41 Derby St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2021.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
FEMA Flood Zone
Zone X minimal risk
Flood Insurance Requirement
Not required lenders may require it
Nearby Flood Policies
2 in force
Nearby Flood Claims
1 (2021)
Claims Outside the SFHA
1 of 1
Most Recent Claim
Aug 2021 · rainfall accumulation
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire
The area around 41 Derby St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Not rated no burnable land within ember reach
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Drinking Water
Source: EPA Safe Drinking Water Information System, as of September 2026
Water System
SOMERVILLE WATER DEPT. (MWRA) serves 81,045 people · EPA ID MA3274000
Water Source
Purchased surface water from MWRA
Last State Inspection
Oct 2025
Lead
4 ppb (2025) action level 15 ppb
Violations Reported to EPA
Water Quality
None last 10 years
Treatment and Procedure
Lead service line replacement currently in violation since Nov 2019
Monitoring and Reporting
1 last 3 years
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Internet Providers
Source: FCC Broadband Data Collection, based on 1,104 locations within half a mile, as of December 31, 2025