Middlesex County and Concord Town property record for 100 Keyes Rd, Apt 421, Concord, MA 01742
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1 ba · 1,134 sqft · built 1952 |
| Lot Size | 0.32 acres (13,919 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $415,000 (Mar 2011) |
| Tax Bill | $8,642 (2026) |
| Flood Zone | Zone X (moderate risk) |
| APN | M:00009H B:01703-00421 |
| Primary APN | M:00009H B:01703-00421 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Units | 132 Units |
| Stories | 1 Story |
| Building Area | 1,134 sqft Living Area |
| Gross Area | 1,230 sqft |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Brick |
| Roof Type | Flat |
| Roof Material | Rolled Roofing |
| Lot Area | 13,919 sqft (0.32 acres) |
| Garage Type | Basement |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Electric |
| Account Number | 3228 |
|---|---|
| Street Address | 100 KEYES RD, 421 |
| City | CONCORD |
| State | MA |
| Zip | 01742-1655 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | B |
| Legal Subdivision | MILLDAM SQUARE CONDO |
| Legal Block | 1703 |
| Legal Lot Number | 421 |
| Jurisdiction | CONCORD MA |
| Township / Civil Division | CONCORD |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 361300 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 233 INDEPENDENCE RD, CONCORD, MA 01742-2655 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 4, 2011 · Amount on Record |
| Deed Sale | Mar 4, 2011 · Amount on Record |
| Prior Sale | Apr 14, 2010 |
| Last Transfer Date | Feb 19, 2025 |
| Transfer Doc | 083799-399 |
| 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 | $8,642.00 (+11.67%) | $662,200 (+13.47%) Building $662,200 | $697,669 (-6.03%) |
| 2025 | $7,739.00 (-7.54%) | $583,600 (-8.45%) Building $583,600 | $742,425 |
| 2024 | $8,370.00 (+1.32%) | $637,500 (+0.02%) Building $637,500 | |
| 2023 | $8,261.00 | $637,400 Building $637,400 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 14 policies |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 10 (1979–2010) |
| Claims Outside the SFHA | 1 of 10 |
| Most Recent Claim | Mar 2010 · Severe Storms 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 | Low lower than 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 | 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 48 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Concord Light Broadband Fiber | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
5G and 4G LTE (outdoors only)
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