Killingly Town property record for 21 Black Rock Ave, Danielson, CT 06239
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,320 sqft · built 1964 |
| Lot Size | 0.57 acres (24,829 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $4,121 (2026) |
| Deeds & Mortgages | Mar 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | KILL M:241 B:128 |
| Primary APN | KILL M:241 B:128 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,320 sqft Living Area |
| 1st Floor Area | 1,320 sqft |
| Basement Area | 1,320 sqft |
| Unfinished Basement | 1,190 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 24,829 sqft (0.57 acres) |
| Garage Type | Attached |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Sewer | Septic |
| Water Source | Well |
| Account Number | 1891 |
|---|---|
| Street Address | 21 BLACK ROCK AVE |
| City | DANIELSON |
| State | CT |
| Zip | 06239-4103 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LD |
| Legal Block | 128 |
| Jurisdiction | KILLINGLY CT |
| Township / Civil Division | KILLINGLY |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 904500 |
21 Black Rock Ave is owner-occupied and held in a trust since January 2020.
Source: Killingly Town records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21 BLACK ROCK AVE, DANIELSON, CT 06239-4103 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 29, 2020 |
| Transfer Doc | 1365-587 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | KILLINGLY CT |
| Recording Date | Mar 12, 2020 |
| Property Address | 21 BLACK ROCK AVE, KILLINGLY, CT 06239-4103 |
| Document Number | 1365-587 |
| Book / Page | 001365 / 000587 |
| Instrument Date | Jan 29, 2020 |
| Instrument | 659 |
| Transaction Type | Transfer |
| Record Updated | Apr 7, 2020 |
| Title Company | UNKNOWN |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21 BLACK ROCK AVE KILLINGLY CT 062394103, KILLINGLY, CT 06239-4103 |
The 2026 property tax bill for 21 Black Rock Ave was $4,121, up 1.9% from the year before.
Source: Killingly Town assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Killingly Town |
| Unified School District | Killingly School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,121.00 (+1.88%) | $185,290 (-) Land $38,430 Building $146,860 | $332,597 (+156.43%) |
| 2025 | $4,045.00 | $185,290 Land $38,430 Building $146,860 | $129,703 Land $26,901 Building $102,802 |
| 2024 | $4,045.00 (+21.73%) | ||
| 2023 | $3,323.00 (+6.78%) | $121,380 (-) Land $31,360 Building $90,020 | |
| 2022 | $3,112.00 | $121,380 Land $31,360 Building $90,020 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 Black Rock Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 13, 2023
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 21 Black Rock Ave is low, with 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 80% of the US · above 55% of Connecticut |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 160 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Xfinity Cable | 2,000 / 250 |
| Breezeline Cable | 1,000 / 50 |
5G (outdoors only) and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures