40 Sienna Ln, Natick, MA 01760 Property Records

Middlesex County and Natick Town property record for 40 Sienna Ln, Natick, MA 01760

Property Summary

Property Type	Condominium
Details	3 bd · 3.5 ba · 2,401 sqft · built 2010
Lot Size	0.176 acres (7,700 sqft)
Owner	2 Individual Names on File
Last Sale	$828,500 (Dec 2017)
Tax Bill	$11,877 (2025)
Deeds & Mortgages	Dec 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`66-00000104`

Property Details

APN / Parcel Number

Primary APN	`66-00000104`
Alternative APN	`NATI M:00000066 P:00000104`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,401 sqft Living Area
Basement Area	1,540 sqft
Unfinished Basement	740 sqft
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2010
Effective Year Built	Effective 2010
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Roof Type	Gable
Roof Material	Asphalt
Lot Area	7,700 sqft (0.176 acres)
Garage Type	Attached
Deck Area	Deck Area

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	66-00000104
Street Address	40 SIENNA LN
City	NATICK
State	MA
Zip	01760-5101
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	RSB
Jurisdiction	NATICK MA
Township / Civil Division	NATICK
Census Block Group	3
Census Block	3006
Census Tract	382400

Owner

40 Sienna Ln, a condominium, is owned and occupied by two individuals who bought it in December 2017.

Source: Middlesex County and Natick Town records, as of April 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	40 SIENNA LN, NATICK, MA 01760-5101
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	2 Names on Deed
Last Sale	Dec 15, 2017 · Amount on File
Deed Sale	Dec 15, 2017 · Amount on File
Prior Sale	Apr 9, 2010 · Amount on File
Deed Book / Page	70393 / 285
Transfer Doc	070393-285
Record Updated	Oct 29, 2026

December 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NATICK MA
Recording Date	Dec 15, 2017
Property Address	40 SIENNA LN, NATICK, MA 01760-5101
Document Number	70393-285
Book / Page	70393 / 285
Instrument	203826
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	$91.79
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	40 SIENNA LN, NATICK, MA 01760-5101

Mortgage

Document Number	703930288
Date	Dec 15, 2017
Instrument	70393/0288

Lender

Name	NEEDHAM COOPERATIVE BANK
Type	Bank

Agreement

Amount	Amount on Record
Term	372 Months
Due	Dec 15, 2048

Interest

Rate	2.88%
Max Rate At Change	10.1%
Max Rate	2.75%

Tax Assessment & Valuation

The 2025 property tax bill for 40 Sienna Ln was $11,877, up 3.8% from the year before.

Source: Middlesex County and Natick Town assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
County Subdivision	Natick Town
Unified School District	Natick School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$11,877.00 (+3.79%)	$993,100 (+6.4%) Building $993,100	$1,027,330
2024	$11,443.00 (+10.34%)	$933,400 (+13.76%) Building $933,400
2023	$10,371.00	$820,500 Building $820,500

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

Flood

FEMA maps place 40 Sienna Ln in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	5 in force
Nearby Flood Claims	3 (2013–2015)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Aug 2015 · rainfall accumulation

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 40 Sienna Ln is low, with less than 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 99.1% of the US · lower than 98.7% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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	NATICK WATER AND SEWER DIVISION serves 37,006 people · EPA ID MA3198000
Water Source	Groundwater
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 77 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Astound Broadband Cable	1,500 / 50
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
T-Mobile Fixed Wireless	100 / 20