606 Old Stone Brook, Acton, MA 01718 Property Records

Middlesex County and Acton Town property record for 606 Old Stone Brook, Acton, MA 01718

Property Summary

Property Type	Condominium
Details	3 bd · 2.5 ba · 1,630 sqft · built 1972
Lot Size	6.31 acres (275,244 sqft)
Owner	Individual Name on File
Last Sale	$410,000 (Aug 2021)
Tax Bill	$8,040 (2025)
Deeds & Mortgages	Aug 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`ACTO M:00B4 B:0112 L:0075`

Property Details

APN / Parcel Number

Primary APN	`ACTO M:00B4 B:0112 L:0075`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	1,630 sqft Living Area
Gross Area	2,517 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	275,244 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	606 OLD STONE BRK
City	ACTON
State	MA
Zip	01718-1017
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	RA
Legal Subdivision	NAGOG WOODS II
Legal Block	112
Legal Lot Number	75
Jurisdiction	ACTON MA
Township / Civil Division	ACTON
Census Block Group	1
Census Block	1001
Census Tract	363106

Owner

606 Old Stone Brook, a condominium, is owned and occupied by an individual who bought it in August 2021.

Source: Middlesex County and Acton Town records, as of July 20, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Mailing Address	606 OLD STONE BRK, ACTON, MA 01718-1017
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 23, 2021 · Amount on File
Deed Sale	Aug 23, 2021 · Amount on File
Prior Sale	Sep 22, 2017 · Amount on File
Deed Book / Page	78529 / 506
Record Updated	Oct 29, 2026

August 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ACTON MA
Recording Date	Aug 23, 2021
Property Address	606 OLD STONE BRK, ACTON, MA 01718-1017
Document Number	078529-506
Book / Page	78529 / 506
Instrument Date	Aug 23, 2021
Instrument	188399
Transaction Type	Transfer
Record Updated	May 17, 2024

Transaction

Amount	Amount on Record
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
Relationship	Tenants by the Entirety
Address	606 OLD STONE BRK, ACTON, MA 01718-1017

Mortgage

Document Number	0000188400
Date	Aug 23, 2021
Instrument	188400

Lender

Name	VAN DYK MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 606 Old Stone Brook was $8,040, up 9.9% from the year before.

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	$8,040.00 (+9.91%)	$468,800 (+6.84%) Building $468,800	$493,905 (+2.63%)
2024	$7,315.00 (+10.3%)	$438,800 (+16.18%) Building $438,800	$481,270
2023	$6,632.00	$377,700 Building $377,700

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

Flood

FEMA maps place 606 Old Stone Brook in Zone X, an area of minimal flood risk.

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

Wildfire risk around 606 Old Stone Brook is low, with a 0.01% annual chance of 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 52 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fiber	980 / 880
T-Mobile Fixed Wireless	100 / 20

Cell Coverage

5G and 4G LTE (outdoors only)

Nearby Properties on Old Stone Brook

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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