801 Old Stone Brook, Acton, MA 01720 Property Records

Middlesex County and Acton Town property record for 801 Old Stone Brook, Acton, MA 01720

Property Summary

Property Type	Condominium
Details	4 bd · 2.5 ba · 2,600 sqft · built 2013
Lot Size	0.716 acres (31,205 sqft)
Owner	Individual Name on File
Last Sale	$845,000 (Nov 2020)
Tax Bill	$17,661 (2025)
Deeds & Mortgages	Nov 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`B4-12-14`

Property Details

APN / Parcel Number

Primary APN	`B4-12-14`
Alternative APN	`ACTO M:00B4 B:0012 L:0014`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,600 sqft Living Area
Gross Area	4,772 sqft

Exterior

Year Built	Built 2013
Effective Year Built	Effective 2013
Architectural Style	Condo/Apartment
Lot Area	31,205 sqft (0.716 acres)

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	B4-12-14
Street Address	801 OLD STONE BRK
City	ACTON
State	MA
Zip	01720-7775
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Block	12
Legal Lot Number	14
Jurisdiction	ACTON MA
Township / Civil Division	ACTON
Census Block Group	1
Census Block	1007
Census Tract	363106

Owner

801 Old Stone Brook, a condominium, is owned and occupied by an individual who bought it in November 2020.

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

Owner of Record	Individual Name on File
Mailing Address	801 OLD STONE BRK, ACTON, MA 01720-7775
Occupancy	Owner Occupied
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 23, 2020 · Amount on File
Deed Sale	Nov 23, 2020 · Amount on File
Prior Sale	Jun 4, 2013 · Amount on File
Deed Document Number	2020857
Deed Book / Page	76241 / 387
Prior Transfer Date	Oct 23, 2020
Prior Transfer Doc	76241-387
Record Updated	Oct 29, 2026

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ACTON MA
Recording Date	Nov 23, 2020
Property Address	801 OLD STONE BRK, ACTON, MA 01720-7775
Document Number	76241-387
Book / Page	76241 / 387
Instrument Date	Oct 23, 2020
Instrument	220857
Transaction Type	Transfer
Record Updated	May 12, 2021

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	3 OLD STONE BRK # 2, 2, ACTON, MA 01718

Mortgage

Document Number	220858
Date	Nov 23, 2020
Instrument	220858

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 801 Old Stone Brook was $17,661, up 9.2% 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	$17,661.00 (+9.23%)	$1,029,800 (+6.18%) Building $1,029,800	$1,062,670 (+2.77%)
2024	$16,168.00 (-2.91%)	$969,900 (+2.28%) Building $969,900	$1,033,980
2023	$16,652.00	$948,300 Building $948,300

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

Flood

FEMA maps place 801 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 801 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 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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