285 Rockingstone Ave
285 Rockingstone Ave is on the Town of Mamaroneck 2026 assessment roll (parcel 1-10-55). Unofficial almanac — confirm on the published town roll.
- Full market$1,908,000
- Assessed$1,908,000
- Land$405,000
- Est. annual tax$40,436
Owner on roll: Williamson Samuel. Type: Single-family. School district: Mamaroneck. Assessed change: +2.0% vs 2025.
How this compares to its street
This parcel's assessed value rose 2.0% between the last two rolls. Across the 48 comparable parcels on Rockingstone Ave, the median rose 2.0%.
That is within 5 points of the street's median. Assessments on a block usually move together.
Screening comparison only, computed from published rolls. It does not account for what is physically on the lot. Confirm everything with the assessor before acting.
Rockingstone Ave street hub · Open in search · Markdown (agents) · Official rolls
Nearby on this street
- 150 Rockingstone Ave
- 151 Rockingstone Ave
- 158 Rockingstone Ave
- 162 Rockingstone Ave
- 166 Rockingstone Ave
- 173 Rockingstone Ave
- 188 Rockingstone Ave
- 192 Rockingstone Ave
FAQ
What is the assessed value of 285 Rockingstone Ave?
On the 2026 Town of Mamaroneck roll, parcel 1-10-55 is assessed at $1,908,000 with full market value $1,908,000.
What is the estimated property tax for 285 Rockingstone Ave?
About $40,436 using published town, Mamaroneck school, and town/county mill rates on the assessed value. Not an official bill.
Unofficial. Confirm figures with the Town of Mamaroneck assessor before decisions. This edition covers the unincorporated town; the villages of Larchmont and Mamaroneck have their own rolls.