Middlesex County and Acton Town property record for 21 Martin St, Acton, MA 01720
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,033 sqft · built 1855 |
| Lot Size | 4.01 acres (174,961 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $11,504 (2025) |
| Deeds & Mortgages | Sep 2020 Sale Mar 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | ACTO M:00H2A B:0001 L:0000 |
| Primary APN | ACTO M:00H2A B:0001 L:0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,033 sqft Living Area |
| Gross Area | 3,112 sqft |
| Year Built | Built 1855 |
|---|---|
| Effective Year Built | Effective 1855 |
| Architectural Style | Historical |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 174,961 sqft (4.01 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Street Address | 21 MARTIN ST |
|---|---|
| City | ACTON |
| State | MA |
| Zip | 01720-3511 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Block | 1 |
| Jurisdiction | ACTON MA |
| Township / Civil Division | ACTON |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 363201 |
21 Martin St is owned and occupied by an individual.
Source: Middlesex County and Acton Town records, as of July 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21 MARTIN ST, ACTON, MA 01720-3511 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Sep 17, 2020 | Warranty Deed, Transfer NOT AVAILABLE |
| Mar 2, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ACTON MA |
| Recording Date | Sep 17, 2020 |
| Property Address | 21 MARTIN ST, ACTON, MA 01720-3511 |
| Document Number | 75646-558 |
| Book / Page | 075646 / 000558 |
| Instrument Date | Sep 14, 2020 |
| Instrument | 164598 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21 MARTIN ST ACTON MA 017203511, ACTON, MA 01720-3511 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ACTON MA |
| Recording Date | Mar 2, 2017 |
| Property Address | 21 MARTIN ST, ACTON, MA 01720-3511 |
| Document Number | 68961-58 |
| Book / Page | 068961 / 000058 |
| Instrument Date | Jan 12, 2017 |
| Instrument | 32426 |
| Transaction Type | Transfer |
| Record Updated | Mar 21, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21 MARTIN ST ACTON MA 017203511, ACTON, MA 01720-3511 |
The 2025 property tax bill for 21 Martin St was $11,504, up 2.9% from the year before.
Source: Middlesex County and Acton Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Acton Town |
| Unified School District | Acton-Boxborough Regional School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $11,504.00 (+2.88%) | $670,800 (-) Land $297,600 Building $373,200 | $870,485 (-12.12%) |
| 2024 | $11,182.00 (+2.8%) | $670,800 (+8.3%) Land $297,600 Building $373,200 | $990,565 |
| 2023 | $10,877.00 | $619,400 Land $270,200 Building $349,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 Martin 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 |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 7 (1978–2010) |
| Claims Outside the SFHA | 3 of 7 |
| 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.
Wildfire risk around 21 Martin St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 94% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 132 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures