Norfolk County and Dedham Town property record for 20 River St, Dedham, MA 02026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,266 sqft · built 1947 |
| Lot Size | 0.388 acres (16,888 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $439,900 (Feb 2019) |
| Tax Bill | $8,689 (2025) |
| Deeds & Mortgages | Jun 2021 Refinance Feb 2019 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | DEDH M:0130 L:0015 |
| Primary APN | DEDH M:0130 L:0015 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,266 sqft Living Area |
| Gross Area | 2,262 sqft |
| 1st Floor Area | 666 sqft |
| Basement Area | 576 sqft |
| Unfinished Basement | 576 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 16,888 sqft (0.388 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Street Address | 20 RIVER ST |
|---|---|
| City | DEDHAM |
| State | MA |
| Zip | 02026-2909 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | G |
| Legal Lot Number | 15 |
| Jurisdiction | DEDHAM MA |
| Township / Civil Division | DEDHAM |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 402102 |
Source: Norfolk County and Dedham Town assessment roll, as of April 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20 RIVER ST, DEDHAM, MA 02026-2909 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Date | Document |
|---|---|
| Jun 7, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance RTN FEDERAL CREDIT UNION |
| Feb 22, 2019 | Quit Claim Deed, Transfer · Stand-Alone First Mortgage RTN FEDERAL CREDIT UNION |
| May 11, 2018 | Quit Claim Deed, Transfer RESIDENTIAL CAPITAL |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 22, 2019 · Amount on Record |
| Deed Sale | Feb 22, 2019 · Amount on Record |
| Prior Sale | May 11, 2018 · Amount on Record |
| Deed Book / Page | 36626 / 380 |
| Transfer Doc | 21971-83 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DEDHAM MA |
| Property Address | 20 RIVER ST, DEDHAM, MA 02026-2909 |
| Transaction Type | Mortgage |
| Record Updated | Apr 3, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0039482-79 |
|---|---|
| Date | Jun 7, 2021 |
| Book Page | 39482/79 |
| Instrument | 73865 |
| Name | RTN FEDERAL CREDIT UNION |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 337 Months |
| Due | Jul 1, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | DEDHAM MA |
| Recording Date | Feb 22, 2019 |
| Property Address | 20 RIVER ST, DEDHAM, MA 02026-2909 |
| Document Number | 36626-380 |
| Book / Page | 36626 / 380 |
| Instrument Date | Feb 22, 2019 |
| Instrument | 13093 |
| Transaction Type | Transfer |
| Record Updated | May 12, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20 RIVER ST, DEDHAM, MA 02026-2909 |
| Document Number | 13094 |
|---|---|
| Date | Feb 22, 2019 |
| Instrument | 13094 |
| Name | RTN FEDERAL CREDIT UNION |
|---|
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | DEDHAM MA |
| Recording Date | May 11, 2018 |
| Property Address | 20 RIVER ST, DEDHAM, MA 02026-2909 |
| Document Number | 35975-378 |
| Book / Page | 35975 / 378 |
| Instrument | 37232 |
| Transaction Type | Transfer |
| Record Updated | May 12, 2021 |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $56.98 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20 RIVER ST, DEDHAM, MA 02026-2909 |
| Document Number | 359750380 |
|---|---|
| Date | May 11, 2018 |
| Instrument | 35975/0380 |
| Name | RESIDENTIAL CAPITAL |
|---|
| Amount | Amount Recorded |
|---|
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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,689.00 (+4.56%) | $688,500 (+3.56%) Land $356,000 Building $332,500 | $618,355 (+6.08%) |
| 2024 | $8,310.00 (+9.99%) | $664,800 (+12.98%) Land $323,100 Building $341,700 | $582,920 |
| 2023 | $7,555.00 | $588,400 Land $292,500 Building $295,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 10 (1978–1998) |
| Claims Outside the SFHA | 3 of 10 |
| Most Recent Claim | Jun 1998 · Heavy Rains And Flooding |
| 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 |
|---|
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 311 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 |
| Radiate Holdings Cable | 1,500 / 50 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| Netafy Fixed Wireless | 150 / 150 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
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