446 Old Stone Brook, Acton, MA 01718 Property Records

Middlesex County and Acton Town property record for 446 Old Stone Brook, Acton, MA 01718

Property Summary

Property Type	Condominium
Details	3 bd · 2.5 ba · 1,506 sqft · built 1972
Lot Size	10.9 acres (476,874 sqft)
Owner	Individual Name on Record
Last Sale	$342,500 (Jun 2018)
Tax Bill	$7,570 (2025)
Deeds & Mortgages	May 2021 Refinance Jun 2018 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`ACTO M:00B4 B:0144 L:0446`

Property Details

APN / Parcel Number

Primary APN	`ACTO M:00B4 B:0144 L:0446`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	1,506 sqft Living Area
Gross Area	2,259 sqft

Exterior

Year Built	Built 1972
Effective Year Built	Effective 1972
Architectural Style	Other
Exterior Material	Wood Siding
Roof Type	Shed Roof
Roof Material	Asphalt
Lot Area	476,874 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	446 OLD STONE BRK
City	ACTON
State	MA
Zip	01718-1016
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	RA
Legal Subdivision	NAGOG WOODS
Legal Block	144
Legal Lot Number	446
Jurisdiction	ACTON MA
Township / Civil Division	ACTON
Census Block Group	1
Census Block	1008
Census Tract	363106

Owner

Source: Middlesex County and Acton Town records, as of July 20, 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 Record
Mailing Address	446 OLD STONE BRK, ACTON, MA 01718-1016
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 14, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance TD BANK NA
Jun 1, 2018	Quit Claim Deed, Transfer MIDDLESEX SAVINGS BANK
Jul 5, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 1, 2018 · Amount on Record
Deed Sale	Jun 1, 2018 · Amount on Record
Prior Sale	Feb 28, 2013 · Amount on Record
Deed Book / Page	71096 / 97
Transfer Doc	69556-60
Record Updated	Sep 20, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ACTON MA
Property Address	446 OLD STONE BRK, ACTON, MA 01718-1016
Transaction Type	Mortgage
Record Updated	Apr 3, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	077768-488
Date	May 14, 2021
Book Page	77768/488
Instrument	109646

Lender

Name	TD BANK NA
Type	Bank

Agreement

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

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ACTON MA
Recording Date	Jun 1, 2018
Property Address	446 OLD STONE BRK, ACTON, MA 01718-1016
Document Number	71096-97
Book / Page	71096 / 97
Instrument	77936
Transaction Type	Transfer
Record Updated	May 12, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$50.19
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	446 OLD STONE BRK, ACTON, MA 01718-1016

Mortgage

Document Number	710960099
Date	Jun 1, 2018
Instrument	71096/0099

Lender

Name	MIDDLESEX SAVINGS BANK
Type	Bank

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2048

Interest

Rate	3.65%
Max Rate At Change	60.1%
Max Rate	2.75%

July 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ACTON MA
Recording Date	Jul 5, 2017
Property Address	446 OLD STONE BRK, ACTON, MA 01718-1016
Document Number	69556-60
Book / Page	069556 / 000060
Instrument Date	Apr 22, 2017
Instrument	103942
Transaction Type	Transfer
Record Updated	Jul 25, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	446 OLD STONE BRK #446 ACTON MA 017181016, 446, ACTON, MA 01718-1016

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	$7,570.00 (+9.9%)	$441,400 (+6.82%) Building $441,400	$474,240 (+2.25%)
2024	$6,888.00 (+10.28%)	$413,200 (+16.17%) Building $413,200	$463,790
2023	$6,246.00	$355,700 Building $355,700

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	1 in force

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	Indirect within ember reach
Adjoins Burnable Land	Yes

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 80 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	2,000 / 2,000

May also be available: T-Mobile.

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