Middlesex County and Arlington Town property record for 21 Summer St, Arlington, MA 02474
| Property Type | Commercial |
|---|---|
| Details | 1 ba · 2,855 sqft · built 1979 |
| Lot Size | 0.427 acres (18,618 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $16,413 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 40716 |
| Primary APN | 40716 |
|---|---|
| Alternative APN |
|
| Full Baths | 1 Bath |
|---|---|
| Half Baths | 2 Half Baths |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 2,855 sqft Total Area |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Exterior Material | Concrete Block |
| Construction Type | Steel Frame |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 18,618 sqft (0.427 acres) |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 40716 |
|---|---|
| Street Address | 21 SUMMER ST |
| City | ARLINGTON |
| State | MA |
| Zip | 02474-3025 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Local Zoning Code | B4 |
| Legal Block | 2 |
| Legal Lot Number | 5 |
| Jurisdiction | ARLINGTON MA |
| Township / Civil Division | ARLINGTON |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 356400 |
21 Summer St, a commercial property, is held in a trust.
Source: Middlesex County and Arlington Town records, as of October 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | PO BOX 36, WEST BARNSTABLE, MA 02668-0036 |
| Owner Type | Company |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21 Summer St was $16,413, up 1.7% from the year before.
Source: Middlesex County and Arlington Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Arlington Town |
| Unified School District | Arlington School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $16,413.00 (+1.66%) | $1,538,200 (+2.61%) Land $952,600 Building $556,600 |
| 2025 | $16,145.00 (+6.97%) | $1,499,100 (+5.19%) Land $926,500 Building $572,600 |
| 2024 | $15,093.00 (+2.34%) | $1,425,200 (+8.33%) Land $887,400 Building $537,800 |
| 2023 | $14,748.00 | $1,315,600 Land $809,100 Building $506,500 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21 Summer St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 10, 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 | 4 units insured incl. 2 condo units |
| Nearby Flood Claims | 6 (1996–2017) |
| Claims Outside the SFHA | 3 of 6 |
| Most Recent Claim | Jul 2017 · river or lake 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.
The area around 21 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 | ARLINGTON WATER DEPT. (MWRA) serves 46,308 people · EPA ID MA3010000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Aug 2023 |
| Lead | 3 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 469 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Netafy, Starry.
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