Mamaroneck Village homes whose assessments rose more than their street's
Comparing one home's assessment with the town average does not say much, because streets differ in value for reasons that have nothing to do with how the assessor treated your parcel. Compare your home with the other homes on your street.
Homes on the same street are usually similar in age, lot size, and market, so their assessments usually move together. When parcels a few doors down barely changed and one jumped, it is fair to ask the assessor why.
The table shows the 31 Mamaroneck Village parcels that rose the most compared with their street, out of 31 that qualify. Gaps are measured against 100 streets with at least 5 comparable parcels each. A parcel qualifies if it rose at least 10 percentage points more than its street's median, but less than 100.
Another 2 Mamaroneck Village parcels rose more than 100 points above their street. A change that large usually means the house was rebuilt, so those parcels are left off this page. They are on the biggest increases page.
A gap does not mean the assessment is wrong. A finished renovation, an addition, new construction, or a correction to a low assessment can each make one parcel rise faster than the rest of its street. This page uses only the published rolls, so it cannot see what is on the lot. If one of those happened at your house, that probably explains the gap.
If none of them did, ask the assessor what changed. Grievance season in Westchester lists the deadlines. If you miss one, you wait a year. Dale Ledger cannot file a grievance for you. Start with the Village of Mamaroneck.
| # | Address | vs street | Full market value | Assessed | Est. annual tax |
|---|---|---|---|---|---|
| 1 | 1310 Flagler Dr | +71.3 pts | $6,970,000 | $6,970,000 | $157,626 |
| 2 | 1010 Orienta Ave | +60.3 pts | $4,490,000 | $4,490,000 | $101,542 |
| 3 | 850 Rushmore Ave | +46.9 pts | $1,695,000 | $1,695,000 | $38,332 |
| 4 | 312 Prospect Ave | +38.7 pts | $1,480,000 | $1,480,000 | $33,470 |
| 5 | 1260 Flagler Dr | +37.1 pts | $5,324,000 | $5,324,000 | $120,402 |
| 6 | 1030 Seahaven Dr | +34.6 pts | $2,476,000 | $2,476,000 | $55,994 |
| 7 | 1623 Winfield Ave | +34.3 pts | $755,000 | $755,000 | $17,074 |
| 8 | 607 Prospect Ave | +30.1 pts | $1,005,000 | $1,005,000 | $22,728 |
| 9 | 155 Grand St | +27.8 pts | $720,000 | $720,000 | $16,283 |
| 10 | 823 Msgr Goodwine Ave | +27.6 pts | $658,000 | $658,000 | $14,880 |
| 11 | 1037 Orienta Ave | +25.3 pts | $4,170,000 | $4,170,000 | $94,304 |
| 12 | 1280 Flagler Dr | +23.9 pts | $4,870,000 | $4,870,000 | $110,136 |
| 13 | 889 Port Dr | +22.8 pts | $2,075,000 | $2,075,000 | $46,926 |
| 14 | 811 Hall St | +22.2 pts | $915,000 | $915,000 | $20,693 |
| 15 | 531 Rushmore Ave | +20.9 pts | $1,549,000 | $1,549,000 | $35,031 |
| 16 | 410 Toni Ln | +18.9 pts | $1,850,000 | $1,850,000 | $41,838 |
| 17 | 1035 Nautilus Ln | +18.8 pts | $2,180,000 | $2,180,000 | $49,301 |
| 18 | 207 Grand St | +18.0 pts | $915,000 | $915,000 | $20,693 |
| 19 | 425 Soundview Ave | +17.9 pts | $1,180,000 | $1,180,000 | $26,686 |
| 20 | 930 Protano Ln | +17.4 pts | $1,514,000 | $1,514,000 | $34,239 |
| 21 | 320 Bishop Ave | +15.7 pts | $1,052,000 | $1,052,000 | $23,792 |
| 22 | 728 Walton Ave | +14.9 pts | $1,670,000 | $1,670,000 | $37,767 |
| 23 | 886 Port Dr | +14.6 pts | $1,835,000 | $1,835,000 | $41,499 |
| 24 | 215 Knollwood Ave | +14.1 pts | $1,105,000 | $1,105,000 | $24,990 |
| 25 | 602 Rockland Ave | +13.8 pts | $772,000 | $772,000 | $17,458 |
| 26 | 245 Mt Pleasant Ave | +13.5 pts | $1,160,000 | $1,160,000 | $26,234 |
| 27 | 414 Claflin Ave | +13.0 pts | $2,615,000 | $2,615,000 | $59,139 |
| 28 | 212 Heathcote Ave | +12.3 pts | $1,070,000 | $1,070,000 | $24,197 |
| 29 | 516 Munro Ave | +11.9 pts | $1,316,000 | $1,316,000 | $29,762 |
| 30 | 166 Maple Ave | +11.5 pts | $997,000 | $997,000 | $22,547 |
| 31 | 960 Green Meadow Ln | +10.4 pts | $2,997,000 | $2,997,000 | $67,777 |
Get a reminder before the grievance deadline
Westchester grievance deadlines come once a year, and if you miss the date you wait a year. Leave your email and we will send you the Mamaroneck Village date once, before it arrives, and a note when the next roll is published.
Source: Mamaroneck Village 2026 assessment roll (SWIS 553203), compiled by Infarill LLC. Estimated taxes use county, school, and village mill rates for fiscal year 2026 town & county / 2026-27 village / 2026-27 school and leave out special district charges. Dale Ledger is unofficial and is not affiliated with any municipality or school district. Check figures with the Village of Mamaroneck.
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FAQ
How do I know if I am over-assessed in Mamaroneck Village?
Compare how much your assessment changed with the median change on your own street. If yours rose much more and you have not renovated, built, or subdivided, ask the assessor about the gap.
Does a large gap mean my assessment is wrong?
No. A gap alone does not show an error. Renovations, additions, new construction, and corrections to a low assessment can all make a parcel rise faster than its street.
Can Dale Ledger file a grievance for me?
No. Dale Ledger is an unofficial site. It does not give tax advice or represent anyone. Only you or someone you authorize can file a grievance, and only the assessor and the Board of Assessment Review can change an assessment.
Open Mamaroneck Village search
Unofficial. Confirm figures with the Village of Mamaroneck and the Town of Mamaroneck assessor before you act on them. Town and school taxes may use the Town assessment, which can differ from the Village roll.