Middlesex County and Waltham City property record for 45 Warren Ave, Waltham, MA 02452
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,248 sqft · built 1917 |
| Lot Size | 0.117 acres (5,083 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $200,000 (Mar 2001) |
| Tax Bill | $6,249 (2026) |
| Deeds & Mortgages | Oct 2021 Refinance Dec 2017 Line of Credit + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 120041 |
| Primary APN | 120041 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,248 sqft Living Area |
| Gross Area | 2,779 sqft |
| Basement Area | 832 sqft |
| Unfinished Basement | 832 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1917 |
|---|---|
| Effective Year Built | Effective 1917 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Slate |
| Lot Area | 5,083 sqft (0.117 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Account Number | 120041 |
|---|---|
| Street Address | 45 WARREN AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02452-5553 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 10 |
| Legal Lot Number | 16 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 368902 |
45 Warren Ave is owned and occupied by two individuals who bought it in March 2001.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 45 WARREN AVE, WALTHAM, MA 02452-5553 |
| 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 |
|---|---|
| Oct 12, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance WELLS FARGO BANK NA |
| Dec 12, 2017 | Deed of Trust, Mortgage · Line of Credit DIGITAL FCU |
| Dec 4, 2018 | Deed of Trust, Mortgage · Stand-Alone Refinance CENTURY BANK & TRUST |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 30, 2001 · Amount on File |
| Deed Sale | Mar 30, 2001 · Amount on File |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 45 WARREN AVE, WALTHAM, MA 02452-5553 |
| Transaction Type | Mortgage |
| Record Updated | Oct 29, 2021 |
| Name | Verified Name |
|---|
| Document Number | 78888-545 |
|---|---|
| Date | Oct 12, 2021 |
| Book Page | 78888/545 |
| Instrument | 223750 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Nov 1, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 45 WARREN AVE, WALTHAM, MA 02452-5553 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 70370-156 |
|---|---|
| Date | Dec 12, 2017 |
| Book Page | 70370/156 |
| Instrument | 201187 |
| Name | DIGITAL FCU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 480 Months |
| Due | Dec 1, 2057 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 45 WARREN AVE, WALTHAM, MA 02452-5553 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 71964-420 |
|---|---|
| Date | Dec 4, 2018 |
| Book Page | 71964/420 |
| Instrument | 184468 |
| Name | CENTURY BANK & TRUST |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 85 Months |
| Due | Jan 1, 2026 |
The 2026 property tax bill for 45 Warren Ave was $6,249, up 5% 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 | $6,249.00 (+4.95%) | $605,500 (-0.13%) Land $371,900 Building $233,600 | $673,051 (+25.33%) |
| 2025 | $5,954.00 (+2.76%) | $606,300 (+0.88%) Land $338,900 Building $267,400 | $537,035 (+8.84%) |
| 2024 | $5,794.00 (+5.4%) | $601,000 (+12.82%) Land $336,800 Building $264,200 | $493,430 |
| 2023 | $5,497.00 | $532,700 Land $322,800 Building $209,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 45 Warren Ave in Zone X, an area of minimal flood risk, though there have been 34 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 | 8 in force |
| Nearby Flood Claims | 34 (1978–2021) |
| Claims Outside the SFHA | 4 of 34 |
| Most Recent Claim | Sep 2021 · Tropical Storm Henri |
| 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 45 Warren 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 | 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 435 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 |
| AT&T Fixed Wireless | 100 / 20 |
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