100 High St, Acton, MA 01720 Property Records

Middlesex County and Acton Town property record for 100 High St, Acton, MA 01720

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,436 sqft · built 1957
Lot Size0.459 acres (20,014 sqft)
OwnerIndividual Name on File
Last Sale$579,000 (Nov 2018)
Tax Bill$13,952 (2025)
Deeds & MortgagesOct 2021 Refinance
Oct 2021 Refinance
+ 3 more
Flood ZoneZone X (minimal risk)
APNACTO M:00H3B B:0050 L:0004

Property Details

APN / Parcel Number

Primary APNACTO M:00H3B B:0050 L:0004

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms7 Rooms
Stories2 Stories
Building Area2,436 sqft Living Area
Gross Area4,290 sqft

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1957
Architectural StyleCape Cod
Exterior MaterialWood Siding
Roof TypeGable
Roof MaterialAsphalt
Lot Area20,014 sqft (0.459 acres)

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil

Location & Zoning

Street Address100 HIGH ST
CityACTON
StateMA
Zip01720-4216
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR2
Legal Block50
Legal Lot Number4
JurisdictionACTON MA
Township / Civil DivisionACTON
Census Block Group3
Census Block3005
Census Tract363104

Owner

Source: Middlesex County and Acton Town records · APN ACTO M:00H3B B:0050 L:0004

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 RecordIndividual Name on File
Mailing Address100 HIGH ST, ACTON, MA 01720-4216
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Oct 21, 2021Deed of Trust, Mortgage · Stand-Alone Refinance
HARVARD UNIVERSITY CREDIT UNION
Oct 21, 2021Deed of Trust, Mortgage · Stand-Alone Refinance
HARVARD UNIVERSITY CREDIT UNION
Apr 17, 2020Deed of Trust, Mortgage · Stand-Alone Refinance
HARVARD UNIVERSITY CREDIT UNION
Nov 15, 2018Quit Claim Deed, Transfer
HARVARD UNIVERSITY EMPLOYEES CU
Jun 27, 2018Deed of Trust, Mortgage · Line of Credit
CITIZENS BK/RI

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleNov 15, 2018 · Amount on Record
Deed SaleNov 15, 2018 · Amount on Record
Prior SaleApr 27, 2015
Deed Book / Page71892 / 37
Record UpdatedSep 20, 2026

October 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionACTON MA
Property Address100 HIGH ST, ACTON, MA 01720-4216
Transaction TypeMortgage
Record UpdatedApr 02, 2026

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number078961-565
DateOct 21, 2021
Book Page78961/565
Instrument231012
Lender
NameHARVARD UNIVERSITY CREDIT UNION
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term241 Months
DueNov 01, 2041

October 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionACTON MA
Property Address100 HIGH ST, ACTON, MA 01720-4216
Transaction TypeMortgage
Record UpdatedNov 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number78961-565
DateOct 21, 2021
Book Page78961/565
Instrument231012
Lender
NameHARVARD UNIVERSITY CREDIT UNION
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term241 Months
DueNov 01, 2041

April 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionACTON MA
Property Address100 HIGH ST, ACTON, MA 01720-4216
Transaction TypeMortgage
Record UpdatedFeb 07, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number74484-463
DateApr 17, 2020
Book Page74484/463
Instrument56682
Lender
NameHARVARD UNIVERSITY CREDIT UNION
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueMay 01, 2050

November 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionACTON MA
Recording DateNov 15, 2018
Property Address100 HIGH ST, ACTON, MA 01720-4216
Document Number71892-37
Book / Page71892 / 37
Instrument176011
Transaction TypeTransfer
Record UpdatedMay 12, 2021

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$90.21
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number718920039
DateNov 15, 2018
Instrument71892/0039
Lender
NameHARVARD UNIVERSITY EMPLOYEES CU
TypeCredit Union
Agreement
AmountAmount Recorded
Term360 Months
DueNov 15, 2048

June 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionACTON MA
Property Address100 HIGH ST, ACTON, MA 01720-4216
Document Number71470-514
Instrument DateJun 27, 2018
Transaction TypeMortgage
Record UpdatedSep 04, 2018

Transferred To (Grantee/Buyer)

NameVerified Name
Address100 HIGH ST ACTON MA 017204216, ACTON, MA 01720-4216

Mortgage

Document Number71470-514
DateAug 15, 2018
Book Page071470/000514
Instrument124097
Lender
NameCITIZENS BK/RI
TypeBank
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate

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$13,952.00 (+6.17%)$813,500 (+3.2%) Land $313,400 Building $500,100$875,330 (+6.07%)
2024$13,141.00 (-1.52%)$788,300 (+3.74%) Land $313,400 Building $474,900$825,265
2023$13,344.00$759,900 Land $285,000 Building $474,900

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 10, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force
Nearby Flood Claims1 (1979)
Claims Outside the SFHA1 of 1
Most Recent ClaimJul 1979 · rainfall accumulation

Wildfire

Wildfire RiskLow
lower than 94% of the US · lower than 86% of Massachusetts
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
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

ProviderMax Down / Up (Mbps)
Verizon
Fiber · Fixed Wireless in parts of the area
2,300 / 2,300
Xfinity
Cable
2,000 / 2,000
T-Mobile USA
Fixed Wireless
100 / 20

Based on FCC filings for 140 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

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

Water SystemACTON WATER SUPPLY DISTRICT
serves 21,285 people
Water SourceGroundwater influenced by surface water
Last State InspectionOct 2024
Lead4 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting22
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.

Nearby Properties on High St

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