Norfolk County and Dedham Town property record for 645 High St, Dedham, MA 02026
| Property Type | Government / Public Use |
|---|---|
| Details | 4 bd · 5.5 ba · 24,926 sqft · built 1938 |
| Lot Size | 0.405 acres (17,630 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | DEDH M:0092 L:0072 |
| Primary APN | DEDH M:0092 L:0072 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 24,926 sqft Total Area |
| Gross Area | 27,156 sqft |
| 1st Floor Area | 8,902 sqft |
| Basement Area | 8,902 sqft |
| Unfinished Basement | 8,902 sqft |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1938 |
| Exterior Material | Brick |
| Construction Type | Steel Frame |
| Roof Type | Gable |
| Roof Material | Slate |
| Lot Area | 17,630 sqft (0.405 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Steam |
| Heating Fuel | Gas |
| Street Address | 645 HIGH ST |
|---|---|
| City | DEDHAM |
| State | MA |
| Zip | 02026 |
| Property Category | Public Works |
| Property Type | Public Works > Government / Public Use |
| Local Zoning Code | CB |
| Legal Lot Number | 72 |
| Jurisdiction | DEDHAM MA |
| Township / Civil Division | DEDHAM |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 402500 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Dedham Village Historic District listed 2006 · 247 contributing resources · NRIS 06000785 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Norfolk County and Dedham Town records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 645 HIGH ST, DEDHAM, MA 02026 |
| Owner Type | Company |
| Vesting | Government |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Norfolk County and Dedham Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Norfolk County |
| County Subdivision | Dedham Town |
| Unified School District | Dedham School District (PK - 12) |
| Year | Assessed Value |
|---|---|
| 2026 | $9,286,400 (+11.01%) Land $681,000 Building $8,605,400 |
| 2025 | $8,365,400 (+5.72%) Land $659,000 Building $7,706,400 |
| 2024 | $7,913,100 Land $629,400 Building $7,283,700 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective May 26, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 7 (1978–2018) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Aug 2018 · other causes |
| 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.
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 | DEDHAM WESTWOOD WATER DIST. serves 41,630 people · EPA ID MA3073000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Apr 2025 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Oct 2021 |
|---|---|
| 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 336 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| Netafy Fixed Wireless | 150 / 150 |
| T-Mobile Fixed Wireless | 100 / 20 |
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