Middlesex County and Billerica Town property record for 21 Glenvale Ave, Billerica, MA 01821
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,764 sqft · built 1990 |
| Lot Size | 0.115 acres (5,001 sqft) |
| Owner | Individual Name on File |
| Last Sale | $139,900 (Dec 1990) |
| Tax Bill | $6,368 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | BILL M:0091 B:0100 L:0 |
| Primary APN | BILL M:0091 B:0100 L:0 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,764 sqft Living Area |
| Gross Area | 2,774 sqft |
| Basement Area | 864 sqft |
| Unfinished Basement | 864 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,001 sqft (0.115 acres) |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Street Address | 21 GLENVALE AVE |
|---|---|
| City | BILLERICA |
| State | MA |
| Zip | 01821-6017 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 100 |
| Jurisdiction | BILLERICA MA |
| Township / Civil Division | BILLERICA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 316202 |
21 Glenvale Ave is owned and occupied by an individual who bought it in December 1990.
Source: Middlesex County and Billerica Town records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21 GLENVALE AVE, BILLERICA, MA 01821-6017 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 3, 1990 · Amount on File |
| Deed Sale | Dec 3, 1990 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21 Glenvale Ave was $6,368, up 3.7% from the year before.
Source: Middlesex County and Billerica Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Billerica Town |
| Unified School District | Billerica School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,368.00 (+3.7%) | $548,500 (+1.56%) Land $271,500 Building $273,800 | $632,890 (-) |
| 2025 | $6,141.00 (+0.94%) | $540,100 (+0.22%) Land $263,100 Building $277,000 | $632,890 (+1%) |
| 2024 | $6,084.00 (+5.57%) | $538,900 (+11%) Land $259,500 Building $279,400 | $626,620 |
| 2023 | $5,763.00 | $485,500 Land $224,300 Building $261,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 Glenvale Ave in Zone X, an area of minimal flood risk, though there have been 115 flood claims nearby since 1979.
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 20 policies |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 115 (1979–2010) |
| Claims Outside the SFHA | 18 of 115 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
| Claims by Event |
|
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 21 Glenvale 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 | BILLERICA WATER WORKS serves 42,119 people · EPA ID MA3031000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2025 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Bromate resolved · Apr 2023 |
|---|---|
| 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 476 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 |
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