Largest assessment increases in Larchmont, 2025 to 2026
Comparing the 2025 and 2026 rolls parcel by parcel, 1,332 Larchmont properties rose in assessed value, 61 fell, and 91 were essentially unchanged. This page lists the 50 largest increases by percentage.
A jump this size almost always has a specific cause: a completed renovation or addition, a teardown replaced by new construction, a subdivision, or a correction to a parcel the assessor had previously undervalued. A large increase is not by itself evidence of an error.
What makes an increase worth a second look is context. If your assessment rose sharply while comparable homes on your street barely moved, that gap is the thing to investigate — not the raw percentage. The median by street table shows what typical movement looked like near you, and grievance season in Westchester covers the deadlines and the process if you decide to challenge it.
Parcels assessed under $200,000 on the prior roll are excluded. At that end, percentage swings are usually reclassifications or data corrections rather than anything meaningful about a homeowner's bill.
| # | Address | Change | Full market value | Assessed | Est. annual tax |
|---|---|---|---|---|---|
| 1 | 7 Walnut Ave | +200.0% | $3,000,000 | $3,000,000 | $63,368 |
| 2 | 5 Linden Ave | +193.3% | $1,980,000 | $1,980,000 | $41,824 |
| 3 | 64 Chatsworth Ave | +142.7% | $2,500,000 | $2,500,000 | $52,806 |
| 4 | 2222 Boston Post Rd | +61.5% | $1,050,000 | $1,050,000 | $22,179 |
| 5 | 25 Shadow Ln | +60.2% | $1,600,000 | $1,600,000 | $33,796 |
| 6 | 2 Center Ave | +54.3% | $2,500,000 | $2,500,000 | $52,806 |
| 7 | 40 Mayhew Ave | +39.9% | $2,400,000 | $2,400,000 | $50,694 |
| 8 | 105 Willow Ave | +39.6% | $1,850,000 | $1,850,000 | $39,077 |
| 9 | 6 Shore Dr | +35.2% | $4,900,000 | $4,900,000 | $103,500 |
| 10 | 8 Center Ave | +34.8% | $2,170,000 | $2,170,000 | $45,836 |
| 11 | 30 Sherwood Dr | +34.0% | $2,500,000 | $2,500,000 | $52,806 |
| 12 | 39 Kane Ave | +31.8% | $1,700,000 | $1,700,000 | $35,909 |
| 13 | 16 Ervilla Dr | +31.2% | $2,785,000 | $2,785,000 | $58,827 |
| 14 | 25 Helena Ave | +30.9% | $3,662,000 | $3,662,000 | $77,351 |
| 15 | 2164 Boston Post Rd | +30.0% | $650,000 | $650,000 | $13,729 |
| 16 | 100 Park | +29.4% | $5,625,000 | $5,625,000 | $118,815 |
| 17 | 2042 Palmer Ave | +29.3% | $1,045,000 | $1,045,000 | $22,074 |
| 18 | 14 Mayhew Ave | +28.9% | $1,805,000 | $1,805,000 | $38,127 |
| 19 | 22 Cambridge Ct | +28.1% | $1,442,000 | $1,442,000 | $30,459 |
| 20 | 67 Stuyvesant Ave | +28.1% | $2,725,000 | $2,725,000 | $57,560 |
| 21 | 49 Rockwood Dr | +27.7% | $2,130,000 | $2,130,000 | $44,991 |
| 22 | 1 Sherwood Dr | +27.4% | $1,360,000 | $1,360,000 | $28,727 |
| 23 | 19 Lyons Pl | +26.4% | $3,096,000 | $3,096,000 | $65,396 |
| 24 | 60 Ocean Ave | +25.0% | $5,760,000 | $5,760,000 | $121,667 |
| 25 | 50 Beach Ave | +24.9% | $3,800,000 | $3,800,000 | $80,266 |
| 26 | 36 Kilmer Rd | +24.4% | $1,826,000 | $1,826,000 | $38,570 |
| 27 | 1 Cambridge Ct | +23.0% | $2,100,000 | $2,100,000 | $44,357 |
| 28 | 7 Thompson Pl | +22.6% | $2,400,000 | $2,400,000 | $50,694 |
| 29 | 16 Locust Ave | +22.0% | $3,037,000 | $3,037,000 | $64,150 |
| 30 | 9 Pryer Ln | +21.7% | $4,990,000 | $4,990,000 | $105,402 |
| 31 | 106 Beach Ave | +20.9% | $3,710,000 | $3,710,000 | $78,365 |
| 32 | 11 Larchmont Ave | +20.8% | $2,900,000 | $2,900,000 | $61,256 |
| 33 | 42 Iselin Ter | +20.3% | $1,720,000 | $1,720,000 | $36,330 |
| 34 | 21 Concord Ave | +19.7% | $1,660,000 | $1,660,000 | $35,063 |
| 35 | 99 Willow Ave | +19.3% | $1,790,000 | $1,790,000 | $37,810 |
| 36 | 86 Willow Ave | +19.2% | $1,788,000 | $1,788,000 | $37,767 |
| 37 | 25 Park | +18.2% | $15,010,000 | $15,010,000 | $317,050 |
| 38 | 21 Helena Ave | +18.2% | $3,584,000 | $3,584,000 | $75,704 |
| 39 | 40 Ocean Ave | +17.7% | $2,879,000 | $2,879,000 | $60,812 |
| 40 | 7 Cliff Way | +17.2% | $1,478,000 | $1,478,000 | $31,220 |
| 41 | 20 Flint Ave | +16.8% | $2,305,000 | $2,305,000 | $48,687 |
| 42 | 103 Beach Ave | +15.7% | $2,662,000 | $2,662,000 | $56,228 |
| 43 | 22 Woods Way | +15.1% | $1,195,000 | $1,195,000 | $25,241 |
| 44 | 19 Old Colony Dr | +14.8% | $1,420,000 | $1,420,000 | $29,995 |
| 45 | 66 Iselin Ter | +14.2% | $2,564,000 | $2,564,000 | $54,158 |
| 46 | 17 Sherwood Dr | +14.0% | $1,995,000 | $1,995,000 | $42,140 |
| 47 | 50 Pine Brook Dr | +13.4% | $1,402,000 | $1,402,000 | $29,614 |
| 48 | 19 Nassau Rd | +13.4% | $1,481,000 | $1,481,000 | $31,282 |
| 49 | 23 Pine Brook Dr | +13.3% | $1,906,000 | $1,906,000 | $40,260 |
| 50 | 2 Circle | +13.3% | $3,420,000 | $3,420,000 | $72,240 |
Source: Larchmont 2026 assessment roll (SWIS 553201), compiled by Infarill LLC. Estimated taxes use county, school, and village mill rates for FY 2025-2026 village / 2026 town-county and exclude special district charges. Dale Ledger is unofficial and not affiliated with any municipality or school district — confirm on the Village assessment rolls.
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FAQ
Why did my Larchmont assessment go up in 2026?
Common causes are a completed renovation or addition, new construction, a subdivision, or a revaluation correcting a previously low assessment. The assessor's office can tell you which applies to your parcel.
Can I challenge an assessment increase?
Yes. New York has a formal grievance process with fixed annual deadlines. An increase alone is not grounds — the question is whether your assessment reflects market value relative to comparable properties.
Unofficial. Confirm figures on the Village assessment rolls before decisions. Town and school taxes may use the Town of Mamaroneck assessment.