1. Home
  2. Massachusetts
  3. Middlesex County
  4. Acton
  5. Prospect St

21 Prospect St, Acton, MA 01720 Property Records

Middlesex County and Acton Town property record for 21 Prospect St, Acton, MA 01720 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 1.5 ba · 1,718 sqft · built 1900
Lot Size0.315 acres (13,710 sqft)
Owner2 Individual Names on File
Last Sale$881,000 (Apr 2025)
Tax Bill$9,513 (2025)
Deeds & MortgagesDec 2025 Mortgage
Apr 2025 Sale & Mortgage
+ 5 more
Flood ZoneZone X (minimal risk)
APNACTO M:00G2A B:0032 L:0000

Property Details

APN / Parcel Number

Primary APNACTO M:00G2A B:0032 L:0000

Interior

Bedrooms4 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,718 sqft Living Area
Gross Area3,156 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Architectural StyleHistorical
Exterior MaterialWood Siding
Roof TypeGable
Roof MaterialAsphalt
Lot Area13,710 sqft (0.315 acres)

Utilities, Heating & Cooling

Heating SystemSteam
Heating FuelGas

Location & Zoning

Street Address21 PROSPECT ST
CityACTON
StateMA
Zip01720-3620
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Block32
JurisdictionACTON MA
Township / Civil DivisionACTON
Census Block Group2
Census Block2009
Census Tract363202

Owner

Source: Middlesex County and Acton Town records · APN ACTO M:00G2A B:0032 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 Address21 PROSPECT ST, ACTON, MA 01720-3620
OccupancyOwner Occupied
Owner TypeIndividual
VestingTenants by the Entirety

Deeds, Mortgages & Sale History

DateDocument
Dec 22, 2025Deed of Trust, Mortgage · Conventional Mortgage
AMERICAN FEDERAL MORTGAGE CORP
Apr 07, 2025Quit Claim Deed, Transfer · Stand-Alone First Mortgage
LEADER BANK NA
May 30, 2019Deed of Trust, Mortgage · Stand-Alone Refinance
MSA LENDING LLC
Jul 10, 2020Deed of Trust, Mortgage · Stand-Alone Refinance
NEW JERSEY LENDERS CORP
Jan 22, 2020Quit Claim Deed, Transfer
NOT AVAILABLE
Nov 09, 2017Quit Claim Deed, Transfer · Conventional Mortgage
LIBERTY BAY CU
Nov 09, 2017Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleApr 07, 2025 · Amount on Record
Deed SaleApr 07, 2025 · Amount on Record
Prior SaleNov 09, 2017 · Amount on Record
Deed Book / Page83939 / 525
Transfer Doc70213-363
Record UpdatedSep 20, 2026

December 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionACTON MA
Property Address21 PROSPECT ST, ACTON, MA 01720-3620
Transaction TypeMortgage
Record UpdatedJan 26, 2026

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number085044-128
DateDec 22, 2025
Book Page85044/128
Instrument157641
Lender
NameAMERICAN FEDERAL MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term349 Months
DueJan 01, 2055

April 2025: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionACTON MA
Recording DateApr 07, 2025
Property Address21 PROSPECT ST, ACTON, MA 01720-3620
Document Number083939-525
Book / Page83939 / 525
Instrument DateApr 07, 2025
Instrument35635
Transaction TypeTransfer
Record UpdatedJan 26, 2026

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants by the Entirety
Address21 PROSPECT ST, ACTON, MA 01720-3620

Mortgage

Document Number0000035636
DateApr 07, 2025
Instrument35636
Lender
NameLEADER BANK NA
TypeBank
Agreement
TypeStand-Alone First Mortgage
AmountAmount Recorded

May 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionACTON MA
Property Address21 PROSPECT ST, ACTON, MA 01720-3620
Transaction TypeMortgage
Record UpdatedFeb 07, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number72678-555
DateMay 30, 2019
Book Page72678/555
Instrument71329
Lender
NameMSA LENDING LLC
TypeLending Institution
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueJun 01, 2049

July 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionACTON MA
Property Address21 PROSPECT ST, ACTON, MA 01720-3620
Transaction TypeMortgage
Record UpdatedFeb 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number75080-564
DateJul 10, 2020
Book Page75080/564
Instrument110477
Lender
NameNEW JERSEY LENDERS CORP
TypeLending Institution
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueAug 01, 2050

January 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionACTON MA
Recording DateJan 22, 2020
Property Address21 PROSPECT ST, ACTON, MA 01720-3620
Document Number74023-120
Book / Page074023 / 000120
Instrument DateNov 21, 2019
Instrument10227
Transaction TypeTransfer
Record UpdatedFeb 11, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address21 PROSPECT ST ACTON MA 017203620, ACTON, MA 01720-3620

November 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionACTON MA
Recording DateNov 09, 2017
Property Address21 PROSPECT ST, ACTON, MA 01720-3620
Document Number70213-28
Book / Page070213 / 000028
Instrument DateNov 09, 2017
Instrument182920
Transaction TypeTransfer
Record UpdatedNov 28, 2017

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$1,846.00
Amount AccuracyConfirmed
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address21 PROSPECT ST ACTON MA 017203620, ACTON, MA 01720-3620

Mortgage

Document Number70213-32
DateNov 09, 2017
Book Page070213/000032
Instrument182921
Lender
NameLIBERTY BAY CU
TypeCredit Union
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueNov 08, 2047

November 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionACTON MA
Recording DateNov 09, 2017
Property Address21 PROSPECT ST, ACTON, MA 01720-3620
Document Number70213-363
Book / Page070213 / 000363
Instrument DateNov 09, 2017
Instrument182996
Transaction TypeTransfer
Record UpdatedNov 28, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address5 BERKLEY CIR HINGHAM MA 020433332, HINGHAM, MA 02043-3332

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$9,513.00 (+2.88%)$554,700 (-) Land $267,800 Building $286,900$828,780 (+16.32%)
2024$9,247.00 (+1.3%)$554,700 (+6.71%) Land $267,800 Building $286,900$712,500
2023$9,128.00$519,800 Land $243,400 Building $276,400

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 250173632022, 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 Policies4 in force
Nearby Flood Claims3 (1991–2001)
Most Recent ClaimJun 2001, rainfall accumulation

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 132 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 2,000
VerizonFiber980 / 880
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

Nearby Properties on Prospect St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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