21 Sumner St, Burlington, MA 01803 Property Records

Middlesex County and Burlington Town property record for 21 Sumner St, Burlington, MA 01803

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,247 sqft · built 1979
Lot Size	0.466 acres (20,303 sqft)
Owner	2 Individual Names on Record
Last Sale	$800,000 (Jun 2022)
Tax Bill	$7,073 (2026)
Deeds & Mortgages	Jun 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`BURL M:000008 P:0172-3`

Property Details

APN / Parcel Number

Primary APN	`BURL M:000008 P:0172-3`
Alternative APN	`M:000008 P:0172=3`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,247 sqft Living Area
Gross Area	2,924 sqft
Basement Area	1,100 sqft
Unfinished Basement	517 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1987
Architectural Style	Split Foyer
Exterior Material	Combination
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	20,303 sqft (0.466 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	21 SUMNER ST
City	BURLINGTON
State	MA
Zip	01803-1215
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RO
Jurisdiction	BURLINGTON MA
Township / Civil Division	BURLINGTON
Census Block Group	2
Census Block	2005
Census Tract	332100

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	21 SUMNER ST, BURLINGTON, MA 01803-1215
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 27, 2022 · Amount on Record
Deed Sale	Jun 27, 2022 · Amount on Record
Prior Transfer Date	Jun 23, 2022
Prior Transfer Doc	0001917100
Record Updated	Oct 29, 2026

June 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BURLINGTON MA
Recording Date	Jun 27, 2022
Property Address	21 SUMNER ST, BURLINGTON, MA 01803-1215
Document Number	0001917100
Instrument Date	Jun 23, 2022
Instrument	1917100
Transaction Type	Transfer
Record Updated	Nov 20, 2025

Transaction

Amount	Amount Recorded
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 in Common
Address	21 SUMNER ST, BURLINGTON, MA 01803-1215

Mortgage

Document Number	0001917101
Date	Jun 27, 2022
Instrument	1917101

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

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	$7,073.00 (+4.86%)	$813,900 (+4.49%) Land $460,100 Building $352,800	$750,808 (-20.61%)
2025	$6,745.00 (+2.71%)	$778,900 (+6.03%) Land $425,100 Building $353,800	$945,725 (+5.11%)
2024	$6,567.00 (+5.22%)	$734,600 (+10.65%) Land $403,100 Building $331,500	$899,745
2023	$6,241.00	$663,900 Land $350,100 Building $313,800

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

Flood

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	2 in force
Nearby Flood Claims	1 (1987)
Most Recent Claim	Apr 1987 · Severe Storms & 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

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 301 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

Cell Coverage

5G (outdoors only) and 4G LTE

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