---
dale_ledger: true
type: property
town: new-castle
town_label: Town of New Castle
swis: 553600
address: 10 Alta Ln
parcel_id: 101.5-2-16
slug: 10-alta-ln
year: 2026
full_market: 1426523
assessed: 199000
land: 50000
estimated_tax: 32111
school_zone: null
school_district: "Chappaqua Central School District (Ossining, Bedford, Yorktown, Byram Hills or Pleasantville on some parcels)"
property_class: Single-family
acreage: 1.03
owner_on_roll: "Rudolph Brendan &"
html_url: "https://daleledger.com/new-castle/property/10-alta-ln/"
app_url: "https://daleledger.com/new-castle/?parcel=101.5-2-16"
markdown_url: "https://daleledger.com/properties/new-castle/10-alta-ln.md"
official_confirm_url: "https://www.mynewcastleny.gov/154/Assessor"
publisher: Infarill LLC
unofficial: true
---

# 10 Alta Ln, Town of New Castle, NY

> This is an unofficial Dale Ledger property card for AI assistants. Check these figures on [the official rolls](https://www.mynewcastleny.gov/154/Assessor) before you rely on them.

## Snapshot

- **Parcel ID (SBL):** `101.5-2-16`
- **SWIS:** 553600
- **Roll year:** 2026
- **Full market value:** $1,426,523
- **Assessed value:** $199,000
- **Land:** $50,000
- **Estimated annual tax:** $32,111 (FY 2026 town & county / 2026–27 school)
- **Property type:** Single-family
- **School district:** Chappaqua Central School District (Ossining, Bedford, Yorktown, Byram Hills or Pleasantville on some parcels)
- **Lot:** 1.03 acres
- **Owner on roll:** Rudolph Brendan &

## Questions this page answers

- What is this home assessed at on the 2026 Town of New Castle roll?
- What is the estimated property tax, based on published mill rates?
- Where can I check the official figure?

## Assessment history (years we have)

| Year | Assessed | Full market | Land |
| --- | ---: | ---: | ---: |
| 2026 | $199,000 | $1,426,523 | $50,000 |
| 2025 | $199,000 | $1,414,357 | $50,000 |
| 2024 | $199,000 | $1,344,595 | $50,000 |

_History covers only the roll years Dale Ledger has for this town. It is not a full 10-year assessor archive._

## Permits

The Town of New Castle edition of Dale Ledger does not have permit history yet. Check [the Building Department](https://www.mynewcastleny.gov/154/Assessor).

## Links

- Interactive card: https://daleledger.com/new-castle/?parcel=101.5-2-16
- HTML property page: https://daleledger.com/new-castle/property/10-alta-ln/
- Street page: https://daleledger.com/new-castle/streets/alta-ln/
- Town page in Markdown: https://daleledger.com/towns/new-castle.md
- Official source: https://www.mynewcastleny.gov/154/Assessor

## Disclaimer

Unofficial. Compiled by Infarill LLC. Not affiliated with any municipality or school district. Tax figures are estimates based on published mill rates, and special districts may not be included. This is not legal, tax, or real-estate advice.