805 Old Stone Brook, Acton, MA 01720 Property Records

Middlesex County and Acton Town property record for 805 Old Stone Brook, Acton, MA 01720

Property Summary

Property Type	Condominium
Details	4 bd · 2.5 ba · 2,650 sqft · built 2013
Lot Size	0.436 acres (19,008 sqft)
Owner	Individual Name on File
Last Sale	$689,000 (Jul 2013)
Tax Bill	$16,948 (2025)
Deeds & Mortgages	Dec 2021 Line of Credit Sep 2021 Refinance + 1 more
Flood Zone	Zone X (minimal risk)
APN	`B4-12-16`

Property Details

APN / Parcel Number

Primary APN	`B4-12-16`
Alternative APN	`ACTO M:00B4 B:0012 L:0016`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,650 sqft Living Area
Gross Area	4,676 sqft

Exterior

Year Built	Built 2013
Effective Year Built	Effective 2013
Architectural Style	Condo/Apartment
Lot Area	19,008 sqft (0.436 acres)

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	B4-12-16
Street Address	805 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	16
Jurisdiction	ACTON MA
Township / Civil Division	ACTON
Census Block Group	1
Census Block	1007
Census Tract	363106

Owner

805 Old Stone Brook, a condominium, is owned and occupied by an individual who bought it in July 2013.

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

Owner of Record	Individual Name on File
Mailing Address	805 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

Date	Document
Dec 20, 2021	Deed of Trust, Mortgage · Line of Credit CITIZENS BANK
Sep 22, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance ROCKET MORTGAGE
Sep 2, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance PROVIDENT FUNDING ASSOCIATES LP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 3, 2013 · Amount on File
Deed Sale	Jul 3, 2013 · Amount on File
Deed Document Number	201314
Deed Book / Page	62181 / 8
Record Updated	Sep 20, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ACTON MA
Property Address	805 OLD STONE BRK, ACTON, MA 01720-7775
Transaction Type	Mortgage
Record Updated	Jan 7, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	079381-448
Date	Dec 20, 2021
Book Page	79381/448
Instrument	273363

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	289 Months
Due	Jan 1, 2046

Interest

Rate Type	Adjustable Rate

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ACTON MA
Property Address	805 OLD STONE BRK, ACTON, MA 01720-7775
Transaction Type	Mortgage
Record Updated	Oct 8, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	78753-85
Date	Sep 22, 2021
Book Page	78753/85
Instrument	210179

Lender

Name	ROCKET MORTGAGE

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	121 Months
Due	Oct 1, 2031

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ACTON MA
Property Address	805 OLD STONE BRK, ACTON, MA 01720-7775
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	75527-23
Date	Sep 2, 2020
Book Page	75527/23
Instrument	153106

Lender

Name	PROVIDENT FUNDING ASSOCIATES LP
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	121 Months
Due	Oct 1, 2030

Tax Assessment & Valuation

The 2025 property tax bill for 805 Old Stone Brook was $16,948, up 12.6% 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	$16,948.00 (+12.6%)	$988,200 (+9.45%) Building $988,200	$1,092,405 (+0.35%)
2024	$15,051.00 (-5.91%)	$902,900 (-0.89%) Building $902,900	$1,088,605
2023	$15,997.00	$911,000 Building $911,000

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

Flood

FEMA maps place 805 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 805 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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