Middlesex County and Waltham City property record for 145 Brown St, Waltham, MA 02453
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 6 bd · 2 ba · 3,050 sqft · built 1900 |
| Lot Size | 0.138 acres (5,998 sqft) |
| Owner | Company Name on File |
| Last Sale | $4,025,000 (Dec 2016) |
| Tax Bill | $13,130 (2026) |
| Deeds & Mortgages | Apr 2023 Mortgage Dec 2019 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 15717 |
| Primary APN | 15717 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 15 Rooms |
| Units | 5 Units |
| Stories | 2 Stories |
| Building Area | 3,050 sqft Living Area |
| Gross Area | 5,525 sqft |
| Basement Area | 1,301 sqft |
| Unfinished Basement | 1,301 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 5,998 sqft (0.138 acres) |
| Garage Type | Attached |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 15717 |
|---|---|
| Street Address | 145 BROWN ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-5118 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Block | 9 |
| Legal Lot Number | 7 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 368600 |
145 Brown St, a residential property, is owned by a company that bought it in December 2016.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 17 IVALOO ST, 100, SOMERVILLE, MA 02143-3658 |
| Owner Type | Company |
| Vesting | Company |
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 |
|---|---|
| Apr 28, 2023 | Deed of Trust, Mortgage · ARM FIRST REPUBLIC BANK |
| Dec 10, 2019 | Deed of Trust, Mortgage · Stand-Alone Refinance JPMORGAN CHASE BANK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 7, 2016 · Amount on File |
| Deed Sale | Dec 7, 2016 · Amount on File |
| Deed Book / Page | 68550 / 446 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 145 BROWN ST, WALTHAM, MA 02453-5118 |
| Transaction Type | Mortgage |
| Record Updated | Jan 26, 2026 |
| Name | Verified Name |
|---|
| Document Number | 081473-213 |
|---|---|
| Date | Apr 28, 2023 |
| Book Page | 81473/213 |
| Instrument | 42965 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.7% |
| Type Change Date | Jul 1, 2028 |
| Index | 1-Year CMT |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 145 BROWN ST, WALTHAM, MA 02453-5118 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 73796-434 |
|---|---|
| Date | Dec 10, 2019 |
| Book Page | 73796/434 |
| Instrument | 194865 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
The 2026 property tax bill for 145 Brown St was $13,130, up 13% 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 |
|---|---|---|
| 2026 | $13,130.00 (+12.96%) | $1,272,300 (+7.49%) Land $509,300 Building $763,000 |
| 2025 | $11,624.00 (+11.16%) | $1,183,700 (+9.13%) Land $485,000 Building $698,700 |
| 2024 | $10,457.00 (-0.5%) | $1,084,700 (+6.51%) Land $420,000 Building $664,700 |
| 2023 | $10,510.00 | $1,018,400 Land $400,000 Building $618,400 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 145 Brown St in Zone X, an area of minimal flood risk, though there have been 2 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 | 2 (1978–1982) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jun 1982 · rainfall accumulation |
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 145 Brown 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 812 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 · Fiber in parts of the area | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures