21 Howell Ave
21 Howell Ave is on the Town of Mamaroneck 2026 assessment roll (parcel 4-4-439). Unofficial almanac — confirm on the published town roll.
- Full market$2,648,000
- Assessed$2,648,000
- Land$394,000
- Est. annual tax$56,119
Owner on roll: Gundersen Todd · Gundersen Sara. Type: Single-family. School district: Mamaroneck. Assessed change: +1.0% vs 2025.
How this compares to its street
This parcel's assessed value rose 1.0% between the last two rolls. Across the 19 comparable parcels on Howell Ave, the median rose 1.0%.
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.
Howell Ave street hub · Open in search · Markdown (agents) · Official rolls
Nearby on this street
- Howell Ave
- 10 Howell Ave
- 24 Howell Ave
- 31 Howell Ave
- 35 Howell Ave
- 36 Howell Ave
- 38 Howell Ave
- 44 Howell Ave
FAQ
What is the assessed value of 21 Howell Ave?
On the 2026 Town of Mamaroneck roll, parcel 4-4-439 is assessed at $2,648,000 with full market value $2,648,000.
What is the estimated property tax for 21 Howell Ave?
About $56,119 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.