100 Thunder Rd, Sudbury, MA 01776 Property Records

Middlesex County and Sudbury Town property record for 100 Thunder Rd, Sudbury, MA 01776

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,864 sqft · built 1971
Lot Size	1.36 acres (59,603 sqft)
Owner	2 Individual Names on File
Last Sale	$785,000 (Jul 2019)
Tax Bill	$16,489 (2026)
Deeds & Mortgages	Feb 2021 Refinance Feb 2020 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`SUDB D-08-00352`

Property Details

APN / Parcel Number

Primary APN	`SUDB D-08-00352`
Alternative APN	`D=08=00352`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,864 sqft Living Area
Gross Area	4,792 sqft
Basement Area	1,668 sqft
Unfinished Basement	1,668 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	59,603 sqft (1.36 acres)
Garage Type	Basement
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Street Address	100 THUNDER RD
City	SUDBURY
State	MA
Zip	01776-1326
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RESA
Jurisdiction	SUDBURY MA
Township / Civil Division	SUDBURY
Census Block Group	2
Census Block	2005
Census Tract	365100

Owner

100 Thunder Rd is owned and occupied by two individuals who bought it in July 2019.

Source: Middlesex County and Sudbury Town records, as of October 20, 2026

Owner of Record	2 Individual Names on File
Mailing Address	100 THUNDER RD, SUDBURY, MA 01776-1326
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

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
Feb 2, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC
Feb 21, 2020	Deed of Trust, Mortgage · Line of Credit HANSCOM FCU
Jul 19, 2019	Quit Claim Deed, Transfer · Conventional Mortgage GUARANTEED RATE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 19, 2019 · Amount on File
Deed Sale	Jul 19, 2019 · Amount on File
Deed Document Number	2019104037
Deed Book / Page	72960 / 26
Prior Transfer Date	Jul 11, 2019
Prior Transfer Doc	72960-26
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUDBURY MA
Property Address	100 THUNDER RD, SUDBURY, MA 01776-1326
Transaction Type	Mortgage
Record Updated	Mar 22, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	76863-581
Date	Feb 2, 2021
Book Page	76863/581
Instrument	24166

Lender

Name	GUARANTEED RATE INC
Type	Non-Lending Institution

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2051

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUDBURY MA
Property Address	100 THUNDER RD, SUDBURY, MA 01776-1326
Transaction Type	Mortgage
Record Updated	Mar 22, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	74167-468
Date	Feb 21, 2020
Book Page	74167/468
Instrument	26351

Lender

Name	HANSCOM FCU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2050

July 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SUDBURY MA
Recording Date	Jul 19, 2019
Property Address	100 THUNDER RD, SUDBURY, MA 01776-1326
Document Number	72960-26
Book / Page	072960 / 000026
Instrument Date	Jul 11, 2019
Instrument	104037
Transaction Type	Transfer
Record Updated	Aug 6, 2019
Title Company	NOT AVAILABLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,579.60
Amount Accuracy	Confirmed
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	100 THUNDER RD SUDBURY MA 017761326, SUDBURY, MA 01776-1326

Mortgage

Document Number	72960-30
Date	Jul 19, 2019
Book Page	072960/000030
Instrument	104038

Lender

Name	GUARANTEED RATE

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 18, 2049

Tax Assessment & Valuation

The 2026 property tax bill for 100 Thunder Rd was $16,489, up 1.1% from the year before.

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

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
County Subdivision	Sudbury Town
Secondary School District	Lincoln-Sudbury School District (09 - 12)
Elementary School District	Sudbury School District (PK - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$16,489.00 (+1.14%)	$1,155,500 (+3.76%) Land $526,200 Building $629,300	$1,222,581 (+16.54%)
2025	$16,303.00 (+3.67%)	$1,113,600 (+3.46%) Land $501,000 Building $612,600	$1,049,085 (-10.53%)
2024	$15,726.00 (+7.41%)	$1,076,400 (+15.94%) Land $486,600 Building $589,800	$1,172,490
2023	$14,641.00	$928,400 Land $434,600 Building $493,800

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

Flood

FEMA maps place 100 Thunder Rd in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2010.

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	9 in force
Nearby Flood Claims	2 (2010–2023)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Dec 2023 · river or lake flooding

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 100 Thunder Rd 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 94% of the US · lower than 86% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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	SUDBURY WATER DISTRICT serves 18,416 people · EPA ID MA3288000
Water Source	Groundwater
Last State Inspection	Oct 2025
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	4 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 153 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 / 250

Cell Coverage

5G (outdoors only) and 4G LTE

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