12 Thomas St, Burlington, MA 01803 Property Records

Middlesex County and Burlington Town property record for 12 Thomas St, Burlington, MA 01803

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.5 ba · 2,182 sqft · built 1953
Lot Size	0.23 acres (10,001 sqft)
Owner	2 Individual Names on File
Tax Bill	$6,642 (2026)
Deeds & Mortgages	Dec 2021 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`BURL M:000023 P:000156`

Property Details

APN / Parcel Number

Primary APN	`BURL M:000023 P:000156`

Interior

Bedrooms	4 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,182 sqft Living Area
Gross Area	2,864 sqft

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1980
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	10,001 sqft (0.23 acres)

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	12 THOMAS ST
City	BURLINGTON
State	MA
Zip	01803-2614
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RO
Jurisdiction	BURLINGTON MA
Township / Civil Division	BURLINGTON
Census Block Group	4
Census Block	4011
Census Tract	332100

Owner

12 Thomas St is owned and occupied by two individuals.

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

Owner of Record	2 Individual Names on File
Mailing Address	12 THOMAS ST, BURLINGTON, MA 01803-2614
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
Record Updated	Oct 29, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BURLINGTON MA
Property Address	12 THOMAS ST, BURLINGTON, MA 01803-2614
Transaction Type	Mortgage
Record Updated	Dec 24, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	079326-436
Date	Dec 10, 2021
Book Page	79326/436
Instrument	267430

Lender

Name	HANSCOM FCU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2052

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2026 property tax bill for 12 Thomas St was $6,642, up 5% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$6,642.00 (+5.03%)	$764,300 (+4.66%) Land $425,000 Building $339,300	$692,273 (-31.21%)
2025	$6,324.00 (+4.65%)	$730,300 (+8.05%) Land $391,000 Building $339,300	$1,006,335 (+27.78%)
2024	$6,043.00 (+6.84%)	$675,900 (+12.33%) Land $357,000 Building $318,900	$787,550
2023	$5,656.00	$601,700 Land $309,400 Building $292,300

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

Flood

FEMA maps place 12 Thomas St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 12 Thomas St 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	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	BURLINGTON WATER DEPT serves 25,864 people · EPA ID MA3048000
Water Source	Surface water
Last State Inspection	Dec 2025
Lead	2 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	None 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 264 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
Astound Broadband Cable	1,500 / 50
T-Mobile Fixed Wireless	100 / 20