Middlesex County and Watertown City property record for 151 Summer St, Watertown, MA 02472
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2 ba · 1,160 sqft · built 1874 |
| Lot Size | 0.26 acres (11,328 sqft) |
| Owner | Individual Name on File |
| Last Sale | $719,000 (Dec 2024) |
| Tax Bill | $8,492 (2026) |
| Deeds & Mortgages | Feb 2026 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 13740-34 |
| Primary APN | 13740-34 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,160 sqft Living Area |
| Gross Area | 1,700 sqft |
| Basement Area | 2,143 sqft |
| Unfinished Basement | 2,143 sqft |
| Year Built | Built 1874 |
|---|---|
| Effective Year Built | Effective 1874 |
| Architectural Style | Conventional |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 11,328 sqft (0.26 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 4928 |
|---|---|
| Street Address | 151 SUMMER ST |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-3802 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | T |
| Legal Block | 1 |
| Legal Lot Number | 14P |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 370103 |
151 Summer St, a condominium, is owned by an individual who bought it in December 2024.
Source: Middlesex County and Watertown City 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 | 151 SUMMER ST, 151, WATERTOWN, MA 02472-3802 |
| Owner Type | Individual |
| Vesting | Joint Tenants with Right of Survivorship |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 18, 2024 · Amount on File |
| Deed Sale | Dec 18, 2024 · Amount on File |
| Prior Sale | Dec 5, 2013 · Amount on File |
| Deed Book / Page | 83598 / 474 |
| Transfer Doc | 063023-529 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WATERTOWN MA |
| Property Address | 151 SUMMER ST, WATERTOWN, MA 02472-3802 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2026 |
| Name | Verified Name |
|---|
| Document Number | 085284-203 |
|---|---|
| Date | Feb 27, 2026 |
| Book Page | 85284/203 |
| Instrument | 22096 |
| Name | GUILD MORTGAGE CO |
|---|---|
| Type | Mortgage Company |
| Amount | Amount on Record |
|---|---|
| Term | 361 Months |
| Due | Mar 1, 2056 |
The 2026 property tax bill for 151 Summer St was $8,492, up 13.2% from the year before.
Source: Middlesex County and Watertown City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Watertown City |
| Unified School District | Watertown School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $8,492.00 (+13.17%) | $696,100 (+8.34%) Building $696,100 | $691,545 (+1.63%) |
| 2025 | $7,504.00 (+5.68%) | $642,500 (+5.87%) Building $642,500 | $680,485 (+2.21%) |
| 2024 | $7,101.00 (-9.77%) | $606,900 (+4.73%) Building $606,900 | $665,760 |
| 2023 | $7,870.00 | $579,500 Building $579,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 151 Summer St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 151 Summer 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 | WATERTOWN DEPARTMENT OF PUBLIC WORKS serves 35,985 people · EPA ID MA3314000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Oct 2025 |
| Lead | 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 610 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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