20 River St, Acton, MA 01720 Property Records

Middlesex County and Acton Town property record for 20 River St, Acton, MA 01720 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	2 Beds
Bathrooms	1.5 Baths
Year Built	Built 1875
Square Footage	1,243 sqft Living Area
Lot Size	13,869 sqft (0.318 acres)
Occupancy	Owner Occupied
Last Sale	$129,000 (1992)
Tax Bill	$8,038.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`ACTO M:00H3A B:0030 L:0000`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	5 Rooms
Building Area	1,243 sqft Living Area
Gross Area	2,698 sqft Gross Area
Stories	2 Stories

Exterior

Year Built	Built 1875
Effective Year Built	Effective 1875
Architectural Style	Conventional Style
Exterior Material	Asbestos Exterior
Roof Construction	Gable Roof Construction
Roof Material	Asphalt Roof
Lot Area	13,869 sqft (0.318 acres)

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating
Heating Fuel	Oil Heating Fuel

Location & Zoning

Street Address	20 RIVER ST
City	ACTON
State	MA
Zip	01720-3603
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Subdivision	FB LOTHROP CO
Legal Block	30
Jurisdiction	ACTON MA
Minor Civil Division	ACTON
Census Blockgroup	1
Census Block	1035
Census Tract	363104

Owner

Source: Middlesex County and Acton Town records · APN ACTO M:00H3A B:0030 L:0000

Assessment roll updated April 14, 2026 · Last verified August 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	20 RIVER ST, ACTON, MA 01720-3603
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jul 15, 1992 · Amount on Record
Deed Sale	Jul 15, 1992 · Amount on Record
Last Transfer Date	Jul 18, 2023
Transfer Doc	081786-160
Record Refreshed	Sep 20, 2026

July 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ACTON MA
Recording Date	Jul 19, 2023
Property Address	20 RIVER ST, ACTON, MA 01720-3603
Document Number	081786-160
Book / Page	81786 / 160
Instrument Date	Jul 18, 2023
Instrument	79331
Transaction Type	Transfer
Record Updated	Aug 04, 2023

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20 RIVER ST, ACTON, MA 01720-3603

Tax Assessment & Valuation

Source: Middlesex County and Acton Town records · Assessment roll updated April 14, 2026 · Last verified August 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 and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$8,038.00 (+7.42%)	$468,700 (+4.41%) Land $267,800 Building $200,900	$609,045 (+4.96%)
2024	$7,483.00 (+0.36%)	$448,900 (+5.72%) Land $267,800 Building $181,100	$580,260
2023	$7,456.00	$424,600 Land $243,500 Building $181,100

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Wildfire Risk	Low above 6% of the US · above 14% of Massachusetts
Wildfire Likelihood	Less than 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.