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Mamaroneck, New York eviction risk overview
City brief · 19,826 residents

Mamaroneck, NY Eviction Risk: HIGH

Westchester County · Population 19,826

In 2026
Risk score
7.8
HIGH

99th percentile, New York.

50-yr Eviction Risk Score history

1976 — 2026 · climbing fast since 2010

Min2.4 Average4.5 Now7.8
10 5 1976 · score 2.4 1977 · score 2.4 1978 · score 2.5 1979 · score 2.6 1980 · score 2.6 1981 · score 2.6 1982 · score 2.7 1983 · score 2.6 1984 · score 2.4 1985 · score 2.4 1986 · score 2.5 1987 · score 2.5 1988 · score 3.0 1989 · score 3.0 1990 · score 3.2 1991 · score 3.2 1992 · score 3.6 1993 · score 3.7 1994 · score 3.7 1995 · score 3.7 1996 · score 4.2 1997 · score 4.1 1998 · score 4.1 1999 · score 4.2 2000 · score 4.1 2001 · score 4.3 2002 · score 4.4 2003 · score 4.4 2004 · score 4.4 2005 · score 4.5 2006 · score 4.5 2007 · score 4.6 2008 · score 5.0 2009 · score 5.1 2010 · score 5.2 2011 · score 5.3 2012 · score 5.4 2013 · score 5.5 2014 · score 5.6 2015 · score 5.7 2016 · score 5.8 2017 · score 6.0 2018 · score 6.3 2019 · score 6.9 2020 · score 7.5 2021 · score 7.5 2022 · score 7.5 2023 · score 7.6 2024 · score 7.3 2025 · score 7.8 2026 · score 7.8

Key metrics

Time machine

Scrub 50 years

2026
● LIVE · today ◀ REPLAY · historical

Nine-axis profile

9-axis profile · today

Shape of the risk surface

1 landlord · 10 tenant
Local 8.5 Regional 8.5 State 7.3 Economic 5.0 Supply 8.8 Rent Control 7.5 Eviction 7.1 Tenant 8.3 Housing 5.9 7.8 HIGH
Sub-scores · with sparkline

Where the score comes from

1 → 10 scale
  1. Local political climate
    Dem margin +26.3% (2024)
    8.5
  2. Regional political climate
    County-weighted neighbor mix
    8.5
  3. State political climate
    New York legislature & governorship
    7.3
  4. Economic stress
    7.7% poverty · 3.9% unemp.
    5.0
  5. Supply constraint
    $2,157 average · 43.2% renters
    8.8
  6. Rent Control risk
    38.9% of income on rent
    7.5
  7. Eviction process difficulty
    432 days filing → judgment
    7.1
  8. Tenant organizing strength
    43.2% renters
    8.3
  9. Housing court bias
    County bench composition
    5.9
Geographic context

Risk heat across Mamaroneck and the region

Click any city to see its score

How Mamaroneck compares

Risk score vs. peers, county, state, and the U.S.
Rank in Westchester County
Very High
#6 of 51 cities
Rank in county — 90th percentileBottomTop
#6 of 51 cities in Westchester County for landlord eviction risk.
Rank in New York
Very High
#17 of 1,285 cities
Rank in state — 99th percentileBottomTop
#17 of 1,285 cities in New York for landlord eviction risk.
vs. county · state · U.S.
Mamaroneck risk score vs. county / state / U.S.Mamaroneck: 7.87.8MamaroneckThis cityCounty: 7.57.5Countyavg in countyState: 7.27.2Stateavg in stateU.S.: 5.35.3U.S.national avg
Score story

Six-stop tour of the risk profile

  1. 7.8
    / 10 · HIGH
    The verdict

    A High-tier market.

    Composite 7.8/10. High statutory friction with active tenant counsel — assume defenses on every filing. The 50-year curve shows a sharp climb.

    50-yr trend+5.4 over 50 yr
    197620012026

    Steepening since 2010 · COVID inflection visible

  2. 432d
    Typical timeline
    The money

    What renting (and evicting) looks like.

    Rent published at $2,157/mo. A contested eviction takes 432 days and costs $22,577–$34,971 per case.

    50-yr trendCalendar drag rising since '15
    197620012026

    Court-clerk data lands in the next release.

  3. 43.2%
    Renters
    The renters

    Who you'll be renting to.

    Out of 19,826 residents, 43.2% rent. 39% are spending 30%+ income on rent, 7.7% below the poverty line.

    50-yr trendRenter share rising
    197620012026

    ACS 1970-present · once the migration overlay is in.

  4. 8.5
    Local + regional
    The politics

    Strong-tenant coastal market.

    Local & regional political climate score 8.5 and 8.5 (Dem margin +26.3% (2024)). State climate at 7.3 — tenant-leaning legislature.

    50-yr trendTracks county vote margin
    197620012026

    Built on 50-yr presidential margins back to 1976.

  5. 7.3
    State politics
    The process

    Long calendar, heavy friction.

    State political climate 7.3/10 sets the legislative ceiling for landlord remedies — and shows up in process. Eviction process difficulty reads 7.1, housing court bias 5.9, rent-control risk 7.5. The slow part is the calendar, not the motion practice.

    50-yr trendProcess difficulty +2.1 since '00
    197620012026

    Court-clerk data lands in the next release.

  6. 5.0
    Economic stress
    The stress

    Economic pressure is the background risk.

    Economic stress: 5.0. Supply constraint: 8.8. The numbers behind those: 7.7% poverty, 3.9% unemployment, 39% of income on rent.

    50-yr trendTwo visible dips · '08 + COVID
    197620012026

    Mirrors BLS unemployment series.

US eviction landscape · timeline × all-in cost

Mamaroneck sits in the slow & expensive quadrant

Bubble size = population · color = risk score
QUICK BUT COSTLY fast docket · high all-in loss SLOW & EXPENSIVE long calendar · high all-in loss QUICK & CHEAP fast docket · low all-in loss SLOW BUT CHEAP long calendar · low all-in loss 30d 50d 75d 100d 150d 200d 300d 450d $2.0k $3.0k $5.0k $7.5k $10k $15k $20k $30k EVICTION TIMELINE (DAYS) → ↑ ALL-IN COST (LOG SCALE) New York, NY · 417d · ~$29.5k all-in ($71/day) · score 7.8 New York Yonkers, NY · 381d · ~$27.5k all-in ($72/day) · score 8.4 Yonkers New Rochelle, NY · 429d · ~$27.9k all-in ($65/day) · score 7.9 New Rochelle Mount Vernon, NY · 398d · ~$29.6k all-in ($74/day) · score 8.1 Mount Vernon White Plains, NY · 384d · ~$30.7k all-in ($80/day) · score 7.9 White Plains Hempstead, NY · 418d · ~$32.6k all-in ($78/day) · score 7.3 Hempstead Levittown, NY · 387d · ~$30.7k all-in ($79/day) · score 5.5 Levittown Buffalo, NY · 428d · ~$30.3k all-in ($71/day) · score 7.8 Buffalo Rochester, NY · 430d · ~$32.0k all-in ($74/day) · score 7.6 Rochester Syracuse, NY · 383d · ~$30.9k all-in ($81/day) · score 7.2 Syracuse Houston, TX · 24d · ~$2.5k all-in ($103/day) · score 3.4 Houston Phoenix, AZ · 38d · ~$3.3k all-in ($86/day) · score 3.7 Phoenix Memphis, TN · 31d · ~$2.0k all-in ($66/day) · score 4.2 Memphis Atlanta, GA · 40d · ~$2.8k all-in ($69/day) · score 4.9 Atlanta Boston, MA · 187d · ~$20.3k all-in ($109/day) · score 8.1 Boston Chicago, IL · 109d · ~$9.0k all-in ($82/day) · score 6.8 Chicago Seattle, WA · 162d · ~$12.7k all-in ($79/day) · score 8.2 Seattle Mamaroneck
Mamaroneck · 432d · ~$28.8k all-in ($67/day) · score 7.8 National average: 58d · $4.6k all-in Hover any bubble for stats · click to open Color: 0–4   4–7   7–10
00Overview

About eviction risk in Mamaroneck, NY

Landlording in Mamaroneck, New York, presents a high-friction environment where attorney involvement on every filing is the norm. The Eviction Risk Score is 7.8/10 (HIGH tier), drawn from the nine sub-axes shown above — covering rent-control exposure, eviction-process difficulty, housing-court bias, tenant-organizing strength, supply constraint, economic stress, and local, regional, and state political climate. This is not a quick-fix market: it's a High-friction landlord market where lease drafting, screening discipline, and well-documented notices materially change outcomes.

Mamaroneck is a city of 19,826 residents where 43.2% of occupied units are renter-occupied, and the typical renter spends 38.9% of income on rent. At an average rent of $2,157/month, the typical renter household here spends more than the federal 30% threshold on housing — a leading indicator of payment volatility and a precondition for the kinds of tenant defenses that show up most often in housing court.

01Process

How Mamaroneck eviction process actually works

Eviction process difficulty here reads 7.1/10 — a number that combines statutory complexity (notice categories, just-cause rules, mandatory pre-filing disclosures) with operational realities (court calendar length and clerk responsiveness). The typical contested filing in Mamaroneck closes 432 days after the initial notice. For non-payment of rent the first step is a properly-formatted, properly-served pay-or-quit notice; for material lease breaches it's a cure-or-quit; for tenancies under just-cause protection an at-fault grounds notice (or a no-fault notice with statutory relocation assistance) is required.

The slow part of Mamaroneck's timeline is usually the calendar, not the motion practice. Housing court bias scores 5.9/10 here, meaning judges read borderline procedural defects in the tenant's favor more often than the national norm. The practical implication: every notice and every proof of service needs to be airtight before it gets filed.

02Cost

What it costs (and how long it takes)

An all-in eviction in Mamaroneck runs $22,577 to $34,971 per case once you account for filing fees, attorney time, lost rent during pendency, sheriff lockout, and unit turnover. That range is wide because the upper bound assumes a tenant answer plus motion practice — common when housing court bias is high. The lower bound assumes a default judgment after proper service.

For landlords running the numbers on holding costs vs. cash-for-keys: if your projected timeline times your monthly rent already exceeds the high-end cost number, cash-for-keys at 1–2 months' rent is typically the economically rational choice. With 432 days of typical timeline and $2,157/month in lost rent, that crossover happens fast here.

03Operations

Security deposits, screening, and lease terms

Tenant organizing strength scores 8.3/10 in Mamaroneck, and the city carries meaningful rent control exposure (7.5/10). Operations practice that survives audit in this environment looks like:

  • Screening discipline. Document income (verified at 2.5–3x rent), credit (with a clear minimum), and prior-tenancy reference checks — but do not screen on protected categories or source-of-income where banned. Keep a written, consistent screening criteria document for every applicant.
  • Lease specificity. Use a state-specific lease that names every term clearly: rent due date, late fees within statutory caps, deposit handling, smoke and CO disclosure, lead paint disclosure (pre-1978 stock), and a clean attorney's-fees clause.
  • Security deposit handling. Itemize deductions within the statutory window. Photograph move-in/move-out condition. In New York, deposit cap and refund window are statute — exceed at your own risk.
  • Mid-tenancy documentation. Keep date-stamped records of every rent receipt, every habitability request, every notice served. The day you need them in court is too late to start.
04Strategy

What an everyday landlord should actually do here

If you own one to four units in Mamaroneck: hire a property manager who knows the local court. The pricing differential between self-managing and hiring out is small relative to the cost of one botched eviction in a HIGH tier market. If you own five or more: build relationships with a local landlord-side attorney before you need one — retainer fees are negligible compared to emergency-rate billing when an eviction is already moving.

The avoidable mistakes here are all upstream of the filing: weak screening, an informal lease, sloppy rent receipts, and notice templates pulled off the internet that don't match New York's statutory language. Fix those four, and most cases settle or default. Skip them, and a $34,971 all-in fight is the realistic worst case.

04bPractical traps

Local traps to avoid in Mamaroneck

Trap · 43.2%
43.2% renter share against 19,826 residents produces roughly 8,565 rental occupants in Mamaroneck. Bronx County voted D 67.6% in 2020. Eviction filings tend to cluster in the multifamily rental corridor.
05FAQ

Frequently asked questions

Q1

How long is the non-payment notice in Mamaroneck?

14 days. New York law (N.Y. RPL § 226 et seq. & RPAPL § 711) sets a 14-day pay-or-quit notice before any unlawful-detainer filing. If the tenant pays in full inside the cure window, the notice is satisfied and the landlord cannot proceed on that delinquency.

Q2

What's the security deposit cap in Mamaroneck?

1.00 months of rent under New York statute. Return is due within 14 days of move-out with an itemized deduction statement. Late or unitemized returns typically expose the landlord to statutory damages — often double the deposit plus the tenant's attorney fees.

Q3

Does Mamaroneck require just-cause to end a tenancy?

Not at the state level. New York doesn't impose statewide just-cause. Some New York cities and counties do, though, so check Mamaroneck's local ordinances before drafting a no-cause notice.

Q4

Do I have to accept Section 8 vouchers in Mamaroneck?

Yes. New York protects source of income statewide, so refusing Section 8 or other lawful income sources is illegal. You can still apply your standard income-multiple and credit/eviction-history screening — but the income source itself can't be a basis for denial.

Q5

What's the typical Mamaroneck eviction cost?

Typical all-in: $22,577 to $34,971, covering filing, service, attorney representation, sheriff or constable lockout, and lost rent during the case. Cash-for-keys at $1,000-$3,000 routinely outperforms full-process economics when the tenant will negotiate.

Q6

How long does eviction take in Mamaroneck?

Uncontested cases run 30-90 days from notice service to physical lockout. Contested cases — usually involving habitability counterclaims, retaliation defenses, or notice-defect attacks — extend by 60-180 days.

Q7

What happens if I change the locks on a non-paying tenant?

No. Self-help eviction — changing locks, shutting off utilities, removing belongings — is illegal in New York and every other state. Statutory damages typically run $1,000-$10,000 per incident plus the tenant's attorney fees. The fact that the tenant hasn't paid in months does not change this; you still go through court.

For deeper New York-specific guidance, see the New York eviction process step-by-step, the New York eviction cost guide, New York security deposit rules, and New York tenant protections. For surrounding markets, see the Bronx County landlord overview. The methodology behind the 7.8/10 score is documented at the scoring methodology page.

06Score

What this score means for landlords2

A 7.8/10 places Mamaroneck in the 99th percentile of New York cities on the Eviction Risk Score index. The score is the average of the nine sub-axes, all calibrated on a national 1–10 scale where 1 is most landlord-friendly and 10 is most tenant-protective. The 50-year reconstruction shows this score has risen sharply since 1976 — a structural drift driven by court-calendar growth, rent-control adoption, and the rise of tenant-side legal aid. The trajectory matters more than the snapshot: the score is the climate, not the weather.