Suffolk County and Boston City property record for 645 Summer St, Boston, MA 02210
| Property Type | Exempt (Full or Partial) |
|---|---|
| Details | 150,000 sqft · built 1970 |
| Lot Size | 4.31 acres (188,085 sqft) |
| Owner | Company Name on File |
| Deeds & Mortgages | Jul 2017 Mortgage Oct 2019 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | SBOS W:06 P:02814 S:001 |
| Primary APN | SBOS W:06 P:02814 S:001 |
|---|
| Units | 4 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 150,000 sqft Total Area |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 2018 |
| Construction Type | Brick |
| Lot Area | 188,085 sqft (4.31 acres) |
| Street Address | 645 SUMMER ST |
|---|---|
| City | BOSTON |
| State | MA |
| Zip | 02210-2135 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Local Zoning Code | E |
| Legal Subdivision | LAND BOSTON |
| Jurisdiction | BOSTON MA |
| Township / Civil Division | BOSTON |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 981202 |
645 Summer St is owned by a company.
Source: Suffolk County and Boston City records, as of April 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 655 SUMMER ST, BOSTON, MA 02210-2123 |
| Owner Type | 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 |
|---|---|
| Jul 11, 2017 | Deed of Trust, Mortgage MASCOMA SAVINGS BK NH |
| Oct 3, 2019 | Grant Deed, Mortgage TD BK NA |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOSTON MA |
| Property Address | 645 SUMMER ST, BOSTON, MA 02210-2135 |
| Transaction Type | Mortgage |
| Record Updated | Feb 15, 2022 |
| Name | Verified Name |
|---|
| Document Number | 058205-114 |
|---|---|
| Date | Jul 11, 2017 |
| Book Page | 58205/114 |
| Instrument | 59998 |
| Name | MASCOMA SAVINGS BK NH |
|---|
| Amount | Amount on Record |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOSTON MA |
| Recording Date | Oct 3, 2019 |
| Property Address | 645 SUMMER ST, BOSTON, MA 02210-2135 |
| Book / Page | 061844 / 000199 |
| Instrument Date | Oct 1, 2019 |
| Instrument | 84389 |
| Transaction Type | Mortgage |
| Record Updated | Oct 22, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 125 SUMMER ST #12THFL BOSTON MA 021101616, 12THFL, BOSTON, MA 02110-1616 |
| Document Number | 61844-199 |
|---|---|
| Date | Oct 3, 2019 |
| Book Page | 061844/000199 |
| Instrument | 84389 |
| Name | TD BK NA |
|---|---|
| Type | Bank |
| Amount | Amount on Record |
|---|
Source: Suffolk County and Boston City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Suffolk County |
| Municipality | Boston City |
| Unified School District | Boston School District (PK - 12) |
| Year | Assessed Value |
|---|---|
| 2025 | $80,830,400 (-7.49%) Land $21,771,700 Building $59,058,700 |
| 2024 | $87,370,500 Land $21,771,700 Building $65,598,800 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 645 Summer St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective January 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 12.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 28 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 28 in force |
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 645 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 | BOSTON WATER AND SEWER COMMISSION (MWRA) serves 675,647 people · EPA ID MA3035000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Mar 2026 |
| Lead | 6 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line replacement currently in violation since Nov 2020 |
| 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 299 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 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 |
| Netafy Fixed Wireless | 600 / 150 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Starry, T-Mobile.
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