1. Home
  2. Massachusetts
  3. Middlesex County
  4. Acton
  5. Thoreau Rd

20 Thoreau Rd, Acton, MA 01720 Property Records

Middlesex County and Acton Town property record for 20 Thoreau Rd, Acton, MA 01720 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details5 bd · 6.5 ba · 3,049 sqft · built 1958
Lot Size0.475 acres (20,700 sqft)
Owner2 Individual Names on File
Last Sale$240,905 (Jan 2021)
Tax Bill$17,536 (2025)
Deeds & MortgagesJun 2020 Mortgage
Jan 2021 Sale
Flood ZoneZone X (minimal risk)
APNACTO M:00G4 B:0005 L:0000

Property Details

APN / Parcel Number

Primary APNACTO M:00G4 B:0005 L:0000

Interior

Bedrooms5 Beds
Full Baths6.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area3,049 sqft Living Area
Gross Area4,573 sqft

Exterior

Year BuiltBuilt 1958
Effective Year BuiltEffective 1958
Architectural StyleColonial
Exterior MaterialWood Siding
Roof TypeGable
Roof MaterialAsphalt
Lot Area20,700 sqft (0.475 acres)

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelGas

Location & Zoning

Street Address20 THOREAU RD
CityACTON
StateMA
Zip01720-5527
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionROBBINS PARK SEC 01
Legal Block5
JurisdictionACTON MA
Township / Civil DivisionACTON
Census Block Group2
Census Block2011
Census Tract363104

Owner

Source: Middlesex County and Acton Town records · APN ACTO M:00G4 B:0005 L:0000

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

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

Owner of Record2 Individual Names on File
Mailing Address20 THOREAU RD, ACTON, MA 01720-5527
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jun 26, 2020Deed of Trust, Mortgage · Balloon Mortgage
METRO CU
Jan 25, 2021Quit Claim Deed, Transfer

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJan 25, 2021 · Amount on Record
Deed SaleJan 25, 2021 · Amount on Record
Prior SaleApr 29, 2004 · Amount on Record
Deed Document Number202116718
Deed Book / Page76774 / 146
Record UpdatedSep 20, 2026

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionACTON MA
Property Address20 THOREAU RD, ACTON, MA 01720-5527
Transaction TypeMortgage
Record UpdatedFeb 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number74971-227
DateJun 26, 2020
Book Page74971/227
Instrument100507
Lender
NameMETRO CU
TypeCredit Union
Agreement
TypeBalloon Mortgage
AmountAmount Recorded
Term301 Months
DueJul 01, 2045

January 2021: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionACTON MA
Recording DateJan 25, 2021
Property Address20 THOREAU RD, ACTON, MA 01720-5527
Document Number76774-146
Book / Page76774 / 146
Instrument DateJan 15, 2021
Instrument16718
Transaction TypeTransfer
Record UpdatedMay 12, 2021

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address20 THOREAU RD, ACTON, MA 01720-5527

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateMassachusetts
CountyMiddlesex County
County SubdivisionActon Town
Unified School DistrictActon-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.

YearTax BillAssessed ValueAssessed Market Value
2025$17,536.00 (+7.29%)$1,022,500 (+4.28%) Land $341,600 Building $680,900$1,038,540 (-1.57%)
2024$16,345.00 (+1.41%)$980,500 (+6.82%) Land $341,600 Building $638,900$1,055,070
2023$16,118.00$917,900 Land $310,500 Building $607,400

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173631042, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies1 in force
Nearby Flood Claims7 (1979–2010)
Claims Outside the SFHA6 of 7
Most Recent ClaimMar 2010, river or lake flooding, Severe Storms And Flooding
Claims By Storm
  • Severe Storms And Flooding, Mar 2010 · 2 claims

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026

Listed AreaWithin Davis, Isaac, Trail
listed 1972 · 1 contributing resources · NRIS 72001347

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 139 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
VerizonFiber980 / 880
T-Mobile USAFixed Wireless100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Thoreau Rd

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures