Norfolk County and Quincy City property record for 20 Flagg St, Quincy, MA 02170
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,412 sqft · built 1935 |
| Lot Size | 0.092 acres (4,000 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $6,862 (2025) |
| Deeds & Mortgages | Jan 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | M:5072D B:2 L:2 |
| Primary APN | M:5072D B:2 L:2 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,412 sqft Living Area |
| Gross Area | 2,952 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1935 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,000 sqft (0.092 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 1528801 |
|---|---|
| Street Address | 20 FLAGG ST |
| City | QUINCY |
| State | MA |
| Zip | 02170-3404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RESA |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | QUINCY MA |
| Township / Civil Division | QUINCY |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 417602 |
20 Flagg St is owner-occupied and held in a trust since January 2017.
Source: Norfolk County and Quincy City records, as of July 20, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 20 FLAGG ST, QUINCY, MA 02170-3404 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 11, 2017 |
| Deed Sale | Jan 11, 2017 |
| Prior Sale | Nov 23, 1987 · Amount on File |
| Deed Document Number | 20173005 |
| Deed Book / Page | 34837 / 430 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | QUINCY MA |
| Recording Date | Jan 11, 2017 |
| Property Address | 20 FLAGG ST, QUINCY, MA 02170-3404 |
| Document Number | 34837-430 |
| Book / Page | 034837 / 000430 |
| Instrument | 3005 |
| Transaction Type | Transfer |
| Record Updated | Jan 31, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Corporate Trust |
| Address | 20 FLAGG ST QUINCY MA 021703404, QUINCY, MA 02170-3404 |
The 2025 property tax bill for 20 Flagg St was $6,862, up 3.3% from the year before.
Source: Norfolk County and Quincy City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Norfolk County |
| Municipality | Quincy City |
| Unified School District | Quincy School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,862.00 (+3.27%) | $595,100 (+0.93%) Land $315,300 Building $279,800 | $657,780 (+5.9%) |
| 2024 | $6,645.00 (+7.44%) | $589,600 (+6.1%) Land $315,300 Building $274,300 | $621,110 |
| 2023 | $6,185.00 | $555,700 Land $300,300 Building $255,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20 Flagg St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2010.
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 |
| Flood Insurance Cost | Premium on File median of 15 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 2 (2010–2022) |
| Most Recent Claim | Feb 2022 · 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 20 Flagg 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 | QUINCY WATER DEPT. (MWRA) serves 106,000 people · EPA ID MA3243000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | May 2024 |
| Lead | 21 ppb (2026) 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 268 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Netafy, Starry, T-Mobile.
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