Middlesex County and Waltham City property record for 48 Gilbert St, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 1,856 sqft · built 1950 |
| Lot Size | 0.363 acres (15,808 sqft) |
| Owner | Individual Name on File |
| Last Sale | $715,000 (Jan 2016) |
| Tax Bill | $11,955 (2026) |
| Deeds & Mortgages | Nov 2023 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 44302 |
| Primary APN | 44302 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,856 sqft Living Area |
| Gross Area | 3,180 sqft |
| 1st Floor Area | 1,701 sqft |
| Basement Area | 936 sqft |
| Unfinished Basement | 936 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 2015 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 15,808 sqft (0.363 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Account Number | 44302 |
|---|---|
| Street Address | 48 GILBERT ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-6808 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 16 |
| Legal Lot Number | 21 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 368800 |
48 Gilbert St is owned and occupied by an individual who bought it in January 2016.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 48 GILBERT ST, WALTHAM, MA 02453-6808 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 25, 2016 · Amount on File |
| Deed Sale | Jan 25, 2016 · Amount on File |
| Prior Sale | Jul 10, 2015 · Amount on File |
| Deed Book / Page | 66718 / 544 |
| Transfer Doc | 066718-544 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 48 GILBERT ST, WALTHAM, MA 02453-6808 |
| Transaction Type | Mortgage |
| Record Updated | Apr 3, 2026 |
| Name | Verified Name |
|---|
| Document Number | 082186-426 |
|---|---|
| Date | Nov 7, 2023 |
| Book Page | 82186/426 |
| Instrument | 127494 |
| Name | WEBSTER BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2053 |
The 2026 property tax bill for 48 Gilbert St was $11,955, up 3% from the year before.
Source: Middlesex County and Waltham City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Waltham City |
| Unified School District | Waltham School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $11,955.00 (+2.95%) | $1,158,400 (-2.04%) Land $519,500 Building $638,900 | $999,848 (+11.08%) |
| 2025 | $11,612.00 (+2.74%) | $1,182,500 (+0.86%) Land $494,700 Building $687,800 | $900,125 (+0.82%) |
| 2024 | $11,302.00 (+8.51%) | $1,172,400 (+16.16%) Land $494,700 Building $677,700 | $892,810 |
| 2023 | $10,416.00 | $1,009,300 Land $448,900 Building $560,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 48 Gilbert St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1978.
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 | 1 in force |
| Nearby Flood Claims | 5 (1978–2008) |
| Most Recent Claim | Dec 2008 · Severe Winter Storm And 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.
The area around 48 Gilbert St 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 | WALTHAM WATER DEPARTMENT serves 65,218 people · EPA ID MA3308000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Jun 2024 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 534 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: AT&T, T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures