Middlesex County and Concord Town property record for 600 Walden St, Concord, MA 01742
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 2,953 sqft · built 1974 |
| Lot Size | 1.34 acres (58,731 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $275,000 (Jun 1997) |
| Tax Bill | $20,063 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | M:00011H B:00275-00004 |
| Primary APN | M:00011H B:00275-00004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,953 sqft Living Area |
| Gross Area | 5,464 sqft |
| Basement Area | 1,657 sqft |
| Unfinished Basement | 1,657 sqft |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 58,731 sqft (1.34 acres) |
| Garage Type | Basement |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 4844 |
|---|---|
| Street Address | 600 WALDEN ST |
| City | CONCORD |
| State | MA |
| Zip | 01742-3619 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A |
| Legal Block | 275 |
| Legal Lot Number | 4 |
| Jurisdiction | CONCORD MA |
| Township / Civil Division | CONCORD |
| Census Block Group | 5 |
| Census Block | 5000 |
| Census Tract | 361100 |
Source: Middlesex County and Concord 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 | Individual Name on Record |
|---|---|
| Mailing Address | 600 WALDEN ST, CONCORD, MA 01742-3619 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 16, 1997 · Amount on Record |
| Deed Sale | Jun 16, 1997 · Amount on Record |
| Record Updated | Oct 29, 2026 |
Source: Middlesex County and Concord Town assessment roll, as of April 14, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $20,063.00 (+10,404.19%) | $1,537,400 (+6.45%) Land $781,100 Building $756,300 | $1,642,693 (-6.71%) |
| 2025 | $191.00 (-98.99%) | $1,444,200 (-) Land $744,000 Building $700,200 | $1,760,825 |
| 2024 | $18,962.00 (+8.9%) | $1,444,200 (+7.5%) Land $744,000 Building $700,200 | |
| 2023 | $17,412.00 | $1,343,500 Land $676,300 Building $667,200 |
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 September 10, 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 | 4 in force |
| Nearby Flood Claims | 1 (1987) |
| Most Recent Claim | Apr 1987 · Severe Storms & Flooding |
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 | Low lower than 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | CONCORD WATER DEPT serves 18,788 people · EPA ID MA3067000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2024 |
| Lead | 5 ppb (2024–2026) action level 15 ppb |
| Water Quality | Bromate resolved · Jul 2022 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 22 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Concord Light Broadband Fiber | 1,000 / 1,000 |
5G and 4G LTE (outdoors only)
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