589 King St
589 King St is on the Town of New Castle 2026 assessment roll (parcel 100.12-1-32). This site is unofficial. Check the published town roll to confirm.
- Full market value$1,032,258
- Assessed value$144,000
- Land value$60,000
- Estimated annual tax$23,237
Owner on roll: Mcgowan Gerald G & Lisa S. Property type: Single-family. School district: Chappaqua. Change in assessed value: +0.0% vs 2025.
What the public record says about this property
1 closed spill record at this address
DEC has closed this case. The most recent report is dated June 26, 2024. It involved heating oil.
Source: NYS DEC Spill Incidents
Compiled from published federal, state and local records as of October 27, 2026. Each finding names its source and links to the agency that holds the file. A FEMA flood zone is a line on a regulatory map. It does not predict floods, and flooding also happens outside the zones. A spill record from the state environmental agency (DEC) is a report filed for an address. It does not say what is wrong with the building, and a closed case means only that the agency closed its file. This section is not a risk score, an all-clear, or insurance, legal, appraisal or real-estate advice. Before you act on anything here, confirm it with FEMA, DEC, your insurer, a lawyer and the town or village. See also the Terms of Use.
King St street page · Open in search · Markdown version · Official rolls
Nearby on this street
- 586 King St — assessed $148,500
- 582 King St — assessed $140,500
- 600 King St — assessed $128,800
- 570 King St — assessed $125,500
- 569 King St — assessed $366,713
- 565 King St — assessed $340,995
- 558 King St — assessed $198,000
- 630 King St — assessed $135,700
FAQ
What is the assessed value of 589 King St?
On the 2026 Town of New Castle roll, parcel 100.12-1-32 is assessed at $144,000 with full market value $1,032,258.
What is the estimated property tax for 589 King St?
About $23,237 using published town, Chappaqua school, and town/county mill rates on the assessed value. This is an estimate. Your bill may differ.
Unofficial. Confirm figures with the Town of New Castle Assessor before you act on them. New Castle covers Chappaqua and Millwood.