Middlesex County and Concord Town property record for 266 Commonwealth Ave, Concord, MA 01742 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.515 acres (22,440 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $171 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | CONC M:9D B:2169 |
| Primary APN | CONC M:9D B:2169 |
|---|---|
| Alternative APNs |
|
| Lot Area | 22,440 sqft (0.515 acres) |
|---|---|
| Pool Type | In-Ground Pool |
| Total Buildings | 2 Buildings |
| Account Number | 2212 |
|---|---|
| Street Address | 266 COMMONWEALTH AVE |
| City | CONCORD |
| State | MA |
| Zip | 01742-2000 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 2169 |
| Jurisdiction | CONCORD MA |
| Township / Civil Division | CONCORD |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 361200 |
Source: Middlesex County and Concord Town records · APN CONC M:9D B:2169
Assessment roll updated April 14, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 266 COMMONWEALTH AVE, CONCORD, MA 01742-2000 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Middlesex County and Concord Town records · Assessment roll updated April 14, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Concord Town |
| Elementary School District | Concord School District (PK - 08) |
| Secondary School District | Concord-Carlisle School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $171.00 (-98.97%) | $1,289,900 (+2.36%) Land $505,200 Building $784,700 | $1,854,970 |
| 2024 | $16,546.00 (+18.17%) | $1,260,200 (+16.64%) Land $505,200 Building $755,000 | |
| 2023 | $14,002.00 | $1,080,400 Land $459,300 Building $621,100 |
Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173612004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 10 individual NFIP policies nearby |
| Nearby Flood Policies | 10 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 31 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 2,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Town of Concord, Massachusetts. Availability varies by address; speeds are provider-advertised maximums, not measured.
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