21 Seneca Rd, Acton, MA 01720 Property Records

Middlesex County and Acton Town property record for 21 Seneca Rd, Acton, MA 01720

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,502 sqft · built 2006
Lot Size	0.462 acres (20,116 sqft)
Owner	2 Company Names on Record
Last Sale	$1,325,000 (Jul 2024)
Tax Bill	$22,136 (2025)
Deeds & Mortgages	Aug 2026 Transfer Dec 2020 Refinance
Flood Zone	Zone X (minimal risk)
APN	`ACTO M:00E2 B:0164 L:0000`

Property Details

APN / Parcel Number

Primary APN	`ACTO M:00E2 B:0164 L:0000`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,502 sqft Living Area
Gross Area	7,359 sqft

Exterior

Year Built	Built 2006
Effective Year Built	Effective 2006
Architectural Style	Colonial
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	20,116 sqft (0.462 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Street Address	21 SENECA RD
City	ACTON
State	MA
Zip	01720-2520
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Block	164
Jurisdiction	ACTON MA
Township / Civil Division	ACTON
Census Block Group	3
Census Block	3022
Census Tract	363202

Owner

Source: Middlesex County and Acton Town records, as of September 15, 2026

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

Owner of Record	2 Company Names on Record
Mailing Address	21 SENECA RD, ACTON, MA 01720-2520
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Aug 25, 2026	Quit Claim Deed, Transfer Quitclaim
Dec 23, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 1, 2024 · Amount on Record
Deed Sale	Jul 1, 2024 · Amount on Record
Prior Sale	Sep 27, 2019 · Amount on Record
Deed Document Number	202471696
Deed Book / Page	82961 / 270
Last Transfer Date	Aug 25, 2026
Transfer Doc	0000107671
Record Updated	Oct 29, 2026

August 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ACTON MA
Recording Date	Aug 25, 2026
Property Address	21 SENECA RD, ACTON, MA 01720-2520
Document Number	0000107671
Book / Page	86057 / 213
Instrument Date	Aug 25, 2026
Instrument	2026107671
Transaction Type	Transfer
Record Updated	Sep 15, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21 SENECA RD, ACTON, MA 01720-2520

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ACTON MA
Property Address	21 SENECA RD, ACTON, MA 01720-2520
Transaction Type	Mortgage
Record Updated	Mar 22, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	76510-325
Date	Dec 23, 2020
Book Page	76510/325
Instrument	246074

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2051

Tax Assessment & Valuation

Source: Middlesex County and Acton Town assessment roll, as of April 14, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$22,136.00 (+8.08%)	$1,290,700 (+5.05%) Land $313,600 Building $977,100	$1,235,285 (+0.51%)
2024	$20,481.00 (+2.08%)	$1,228,600 (+7.53%) Land $313,600 Building $915,000	$1,229,015
2023	$20,064.00	$1,142,600 Land $285,000 Building $857,600

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	45 units insured incl. 40 condo units
Nearby Flood Claims	3 (1978–1999)
Claims Outside the SFHA	2 of 3
Most Recent Claim	Feb 1999 · rainfall accumulation

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · above 57% of Massachusetts
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	ACTON WATER SUPPLY DISTRICT serves 21,285 people · EPA ID MA2002000
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 214 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fiber	980 / 880

Cell Coverage

5G (outdoors only) and 4G LTE

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