Middlesex County and Acton Town property record for 45 Greenside Ln, Acton, MA 01720
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 2,439 sqft · built 2013 |
| Lot Size | 59.2 acres (2,580,109 sqft) |
| Owner | Individual Name on File |
| Last Sale | $750,000 (May 2021) |
| Tax Bill | $16,618 (2025) |
| Deeds & Mortgages | May 2021 Sale |
| Flood Zone | Zone AE (high risk) |
| APN | C4-29-28 |
| Primary APN | C4-29-28 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,439 sqft Living Area |
| Gross Area | 5,293 sqft |
| Year Built | Built 2013 |
|---|---|
| Effective Year Built | Effective 2013 |
| Architectural Style | Condo/Apartment |
| Lot Area | 2,580,109 sqft (59.2 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | C4-29-28 |
|---|---|
| Street Address | 45 GREENSIDE LN |
| City | ACTON |
| State | MA |
| Zip | 01720-4096 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R10/8 |
| Legal Block | 29 |
| Legal Lot Number | 28 |
| Jurisdiction | ACTON MA |
| Township / Civil Division | ACTON |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 363103 |
45 Greenside Ln, a condominium, is owned and occupied by an individual who bought it in May 2021.
Source: Middlesex County and Acton Town records, as of September 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 45 GREENSIDE LN, ACTON, MA 01720-4096 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 21, 2021 · Amount on File |
| Deed Sale | May 21, 2021 · Amount on File |
| Prior Sale | Sep 30, 2013 · Amount on File |
| Deed Document Number | 2021115871 |
| Deed Book / Page | 77830 / 406 |
| Record Updated | Oct 29, 2026 |
| Document Type | Condominium Deed |
|---|---|
| Jurisdiction | ACTON MA |
| Recording Date | May 21, 2021 |
| Property Address | 45 GREENSIDE LN, ACTON, MA 01720-4096 |
| Document Number | 77830-406 |
| Book / Page | 77830 / 406 |
| Instrument Date | Apr 22, 2021 |
| Instrument | 115871 |
| Transaction Type | Transfer |
| Record Updated | Jun 4, 2021 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 45 GREENSIDE LN, ACTON, MA 01720-4096 |
The 2025 property tax bill for 45 Greenside Ln was $16,618, up 28.8% 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 | $16,618.00 (+28.84%) | $969,000 (+25.24%) Building $969,000 | $929,195 (-0.19%) |
| 2024 | $12,898.00 (-2.05%) | $773,700 (+3.17%) Building $773,700 | $931,000 |
| 2023 | $13,168.00 | $749,900 Building $749,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 45 Greenside Ln in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 4 (1987–2023) |
| Claims Outside the SFHA | 3 of 4 |
| Most Recent Claim | Sep 2023 · rainfall accumulation |
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 45 Greenside Ln is low, with a 0.02% annual chance of wildfire.
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 | Direct burnable vegetation |
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 | ACTON WATER SUPPLY DISTRICT serves 21,285 people · EPA ID MA2002000 |
|---|---|
| Water Source | Groundwater influenced by surface water |
| Last State Inspection | Oct 2024 |
| Lead | 4 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 22 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 135 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber | 980 / 880 |
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