Middlesex County and Burlington Town property record for 23 Humboldt Ave, Burlington, MA 01803
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,878 sqft · built 2005 |
| Lot Size | 0.417 acres (18,182 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $715,000 (Jun 2006) |
| Tax Bill | $9,807 (2026) |
| Deeds & Mortgages | Aug 2026 Mortgage Nov 2024 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | BURL M:000028 P:000156 |
| Primary APN | BURL M:000028 P:000156 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,878 sqft Living Area |
| Gross Area | 6,332 sqft |
| Basement Area | 1,204 sqft |
| Unfinished Basement | 1,204 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 18,182 sqft (0.417 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 23 HUMBOLDT AVE |
|---|---|
| City | BURLINGTON |
| State | MA |
| Zip | 01803-3632 |
| 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 | 2006 |
| Census Tract | 332300 |
23 Humboldt Ave is owned and occupied by two individuals who bought it in June 2006.
Source: Middlesex County and Burlington Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 23 HUMBOLDT AVE, BURLINGTON, MA 01803-3632 |
| 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.
| Date | Document |
|---|---|
| Aug 17, 2026 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA |
| Nov 12, 2024 | Deed of Trust, Mortgage · Stand-Alone Refinance BANK OF AMERICA NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 28, 2006 · Amount on File |
| Deed Sale | Jun 28, 2006 · Amount on File |
| Prior Sale | Jul 7, 2004 · Amount on File |
| Deed Book / Page | 1322 / 47 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BURLINGTON MA |
| Recording Date | Aug 17, 2026 |
| Property Address | 23 HUMBOLDT AVE, BURLINGTON, MA 01803-3632 |
| Document Number | 0002006294 |
| Instrument Date | Aug 1, 2026 |
| Instrument | 20262006294 |
| Transaction Type | Mortgage |
| Record Updated | Sep 9, 2026 |
| Name | Verified Name |
|---|---|
| Address | 23 HUMBOLDT AVE, BURLINGTON, MA 01803-3632 |
| Document Number | 0002006294, |
|---|---|
| Date | Aug 17, 2026 |
| Instrument | 20262006294 |
| Name | BANK OF AMERICA |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Sep 1, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.88% |
| Initial Type | Adjustable Rate |
| Type Change Date | Sep 1, 2033 |
| Margin | 3 |
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BURLINGTON MA |
| Property Address | 23 HUMBOLDT AVE, BURLINGTON, MA 01803-3632 |
| Transaction Type | Mortgage |
| Record Updated | Apr 3, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0001966955 |
|---|---|
| Date | Nov 12, 2024 |
| Instrument | 1966955 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2054 |
The 2026 property tax bill for 23 Humboldt Ave was $9,807, up 3.9% from the year before.
Source: Middlesex County and Burlington Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Burlington Town |
| Unified School District | Burlington School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $9,807.00 (+3.93%) | $1,128,500 (+3.57%) Land $486,400 Building $625,400 | $1,271,428 (+8.39%) |
| 2025 | $9,436.00 (+2.69%) | $1,089,600 (+6.01%) Land $447,500 Building $642,100 | $1,173,060 (-3.24%) |
| 2024 | $9,189.00 (+1.95%) | $1,027,800 (+7.2%) Land $408,500 Building $619,300 | $1,212,295 |
| 2023 | $9,013.00 | $958,800 Land $354,100 Building $604,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 23 Humboldt Ave 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 |
| Flood Insurance Cost | Premium on File median of 17 policies |
| Nearby Flood Policies | 17 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.
The area around 23 Humboldt Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 266 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 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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