539 Old Stone Brook, Acton, MA 01718 Property Records

Middlesex County and Acton Town property record for 539 Old Stone Brook, Acton, MA 01718

Property Summary

Property Type	Condominium
Details	2 bd · 1.5 ba · 1,176 sqft · built 1972
Lot Size	12.7 acres (554,447 sqft)
Owner	Individual Name on Record
Last Sale	$410,000 (Sep 2022)
Tax Bill	$8,520 (2025)
Deeds & Mortgages	Aug 2023 Line of Credit Sep 2022 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`ACTO M:00B4 B:0115 L:0089`

Property Details

APN / Parcel Number

Primary APN	`ACTO M:00B4 B:0115 L:0089`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	1,176 sqft Living Area
Gross Area	1,764 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	554,447 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	539 OLD STONE BRK
City	ACTON
State	MA
Zip	01718-1008
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	RA
Legal Subdivision	NAGOG WOODS III
Legal Block	115
Legal Lot Number	89
Jurisdiction	ACTON MA
Township / Civil Division	ACTON
Census Block Group	1
Census Block	1002
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	539 OLD STONE BRK, ACTON, MA 01718-1008
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 14, 2023	Deed of Trust, Mortgage · Line of Credit MANUFACTURERS & TRADERS TRUST CO
Sep 28, 2022	Quit Claim Deed, Transfer · Stand-Alone First Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP
Nov 1, 2018	Condominium Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 28, 2022 · Amount on Record
Deed Sale	Sep 28, 2022 · Amount on Record
Prior Sale	Jan 27, 2005 · Amount on Record
Deed Book / Page	80763 / 395
Record Updated	Oct 29, 2026

August 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ACTON MA
Property Address	539 OLD STONE BRK, ACTON, MA 01718-1008
Transaction Type	Mortgage
Record Updated	Nov 20, 2025
Title Company	TITLE 365, TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	081881-557
Date	Aug 14, 2023
Book Page	81881/557
Instrument	90469

Lender

Name	MANUFACTURERS & TRADERS TRUST CO
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

September 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ACTON MA
Recording Date	Sep 28, 2022
Property Address	539 OLD STONE BRK, ACTON, MA 01718-1008
Document Number	080763-395
Book / Page	80763 / 395
Instrument Date	Sep 28, 2022
Instrument	146453
Transaction Type	Transfer
Record Updated	Nov 20, 2025

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	539 OLD STONE BRK # 89, 89, ACTON, MA 01718-1008

Mortgage

Document Number	0000146454
Date	Sep 28, 2022
Instrument	146454

Lender

Name	FAIRWAY INDEPENDENT MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

November 2018: Condominium Deed, Transfer

Document Type	Condominium Deed
Jurisdiction	ACTON MA
Recording Date	Nov 1, 2018
Property Address	539 OLD STONE BRK, ACTON, MA 01718-1008
Document Number	71830-476
Book / Page	071830 / 000476
Instrument Date	Oct 26, 2018
Instrument	168553
Transaction Type	Transfer
Record Updated	Nov 22, 2018

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	539 OLD STONE BRK ACTON MA 017181008, ACTON, MA 01718-1008

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	$8,520.00 (+11.99%)	$496,800 (+8.85%) Building $496,800	$450,205 (+2.05%)
2024	$7,608.00 (+45%)	$456,400 (+52.74%) Building $456,400	$441,180
2023	$5,247.00	$298,800 Building $298,800

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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