11 River St, Acton, MA 01720 Property Records

Middlesex County and Acton Town property record for 11 River St, Acton, MA 01720

Property Summary

Property Type	Unusable Land (Remnant, Steep, Etc.)
Lot Size	0.062 acres (2,720 sqft)
Owner	Individual Name on File
Tax Bill	$492 (2025)
Flood Zone	Zone X (minimal risk)
APN	`ACTO M:00H3A B:0039 L:0000`

Property Details

APN / Parcel Number

Primary APN	`ACTO M:00H3A B:0039 L:0000`

Exterior

Lot Area	2,720 sqft (0.062 acres)

Location & Zoning

Street Address	11 RIVER ST
City	ACTON
State	MA
Zip	01720-3602
Property Category	Other
Property Type	Other > Unusable Land (Remnant, Steep, Etc.)
Local Zoning Code	SAV
Legal Block	39
Jurisdiction	ACTON MA
Township / Civil Division	ACTON
Census Block Group	1
Census Block	1016
Census Tract	363104

Owner

Source: Middlesex County and Acton Town records · APN ACTO M:00H3A B:0039 L:0000

Assessment roll updated April 14, 2026 · Last verified April 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	55 SCHOOL ST, ACTON, MA 01720-3627
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Middlesex County and Acton Town records · Assessment roll updated April 14, 2026 · Last verified April 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
County Subdivision	Acton Town
Unified School District	Acton-Boxborough Regional School District (PK - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2025	$492.00 (+2.93%)	$28,700 (-) Land $28,700
2024	$478.00	$28,700 Land $28,700

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), as of September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173631041, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 10 policies
Nearby Flood Policies	10 in force
Nearby Flood Claims	9 (1980–2017)
Claims Outside the SFHA	2 of 9
Most Recent Claim	Aug 2017 · rainfall accumulation

Wildfire

Wildfire Risk	Low lower than 94% of the US · lower than 86% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 146 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system MA2002000, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	ACTON WATER SUPPLY DISTRICT serves 21,285 people
Water Source	Groundwater influenced by surface water
Last State Inspection	Oct 2024
Lead	4 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	22 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.