Althea Ln, Mamaroneck

7 residential parcels on Althea Ln in the Town of Mamaroneck (2026 town roll, SWIS 553289). Median full market $2,500,000; median assessed $2,500,000; median estimated tax $52,982.

Search Althea Ln in the ledger · All Mamaroneck streets · Mamaroneck Markdown · Property Markdown

Parcels7
Median FMV$2,500,000
Median assessed$2,500,000
Median est. tax$52,982

Largest assessed-value swings

11 Althea Ln -6.0% assessed
17 Althea Ln +2.0% assessed
15 Althea Ln +2.0% assessed
18 Althea Ln +2.0% assessed
22 Althea Ln +2.0% assessed

Addresses

9 Althea Ln .md $1,838,000 · est. tax $38,953
11 Althea Ln .md $2,500,000 · est. tax $52,982
15 Althea Ln .md $2,549,000 · est. tax $54,020
17 Althea Ln .md $2,234,000 · est. tax $47,345
18 Althea Ln .md $3,110,000 · est. tax $65,910
19 Althea Ln .md $2,397,000 · est. tax $50,800
22 Althea Ln .md $3,314,000 · est. tax $70,234

FAQ

How many homes are on Althea Ln in Mamaroneck?

The 2026 Town of Mamaroneck residential assessment roll lists 7 parcels on Althea Ln.

What is the median estimated tax on Althea Ln?

About $52,982 using published city, school, and town/county mill rates against the village roll. Not an official bill.

Open Mamaroneck search

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.