Middlesex County and Waltham City property record for 312 Warren St, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,256 sqft · built 2003 |
| Lot Size | 0.099 acres (4,334 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $619,000 (Jun 2015) |
| Tax Bill | $9,619 (2026) |
| Deeds & Mortgages | Jan 2021 Refinance Jun 2020 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 210102 |
| Primary APN | 210102 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,256 sqft Living Area |
| Gross Area | 2,394 sqft |
| Basement Area | 744 sqft |
| Unfinished Basement | 186 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,334 sqft (0.099 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 210102 |
|---|---|
| Street Address | 312 WARREN ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-7028 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 7 |
| Legal Lot Number | 3A |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 369100 |
312 Warren St is owned and occupied by two individuals who bought it in June 2015.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 312 WARREN ST, WALTHAM, MA 02453-7028 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
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 |
|---|---|
| Jan 20, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC |
| Jun 22, 2020 | Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 29, 2015 · Amount on File |
| Deed Sale | Jun 29, 2015 · Amount on File |
| Prior Sale | May 22, 2013 · Amount on File |
| Deed Book / Page | 65637 / 435 |
| Transfer Doc | 065637-435 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 312 WARREN ST, WALTHAM, MA 02453-7028 |
| Transaction Type | Mortgage |
| Record Updated | Apr 3, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0076737-51 |
|---|---|
| Date | Jan 20, 2021 |
| Book Page | 76737/51 |
| Instrument | 13250 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Feb 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 312 WARREN ST, WALTHAM, MA 02453-7028 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 74941-449 |
|---|---|
| Date | Jun 22, 2020 |
| Book Page | 74941/449 |
| Instrument | 97821 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2050 |
The 2026 property tax bill for 312 Warren St was $9,619, up 6.6% 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 | $9,619.00 (+6.63%) | $932,100 (+1.47%) Land $447,000 Building $485,100 | $1,002,405 (-1.02%) |
| 2025 | $9,021.00 (+5.16%) | $918,600 (+3.24%) Land $425,700 Building $492,900 | $1,012,700 (+2.23%) |
| 2024 | $8,578.00 (-0.58%) | $889,800 (+6.44%) Land $405,100 Building $484,700 | $990,565 |
| 2023 | $8,628.00 | $836,000 Land $384,500 Building $451,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 312 Warren St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1992.
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 Claims | 1 (1992) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 1992 · Winter Coastal Storm |
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 312 Warren 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 793 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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