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2453 Union Blvd Unit 27A
B Composite 72.12
Why this score? — see what drove the B grade

The composite is a weighted blend of 9 inputs, each scored 0–100. Each bar is that input's sub-score; the figure is the points it added to the 100-point composite (weight × sub-score).

  • Cash flow +30.0/30.0
  • 1% rule +10.0/10.0
  • DSCR +10.0/10.0
  • ARV discount +7.5/15.0
  • Schools +5.5/10.0
  • Livability +4.2/5.0
  • Rent growth +2.5/5.0
  • Condition / age +2.5/5.0
  • Appreciation +0.0/10.0

$194,750

2453 Union Blvd Unit 27A · Islip, NY 11751
2 bd · 1.0 ba · 989 sqft · Condo · 90 Days on market
Built 1970 ↓ 10% since listing

🖨 Deal sheet (PDF) 📄 Offer letter ✓ Due diligence

Listing remarks

This spacious two-bedroom cooperative-style apartment is located on the first floor and awaits a customer with the vision to restore it to its former glory. Its excellent location provides easy access to schools, parks, shopping, eateries, local lakes, and other area conveniences.

Key facts

  • First floor
  • Excellent location
  • Easy access to parks

Tags

FIRST FLOOREXCELLENT LOCATIONEASY ACCESS TO SCHOOLSEASY ACCESS TO PARKSEASY ACCESS TO SHOPPINGEASY ACCESS TO EATERIES

Neighborhood map

Property Rental comp Retail Transit Schools Stadiums Fortune 500 · Circle radius: 3.0 mi
Loading POIs…

What this means for you Summary

Snapshot

  • This is a 2-bed/1.0-bath condo listed at $195k.

Deal economics

  • At list price, monthly cash flow is $1k ($14k/yr) — positive.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($3k rent vs $195k).
  • Recommended offer: $183k (6.0% below list) — sets the bar for market timing.
  • Cap rate 13.7% vs local median 3.2% in Islip — top-decile yield for the area; either an underpriced asset or a hidden risk that comps aren't pricing in. Stress-test before assuming the spread holds.

Location & tenants

  • Location reads 83/100 on livability (#59 in NY, #878 nationally) — a professional / high-income tenant draw. Strengths: commute A+, employment A+, housing A+; Watch: cost of living F.
  • Islip Union Free School District (suburban): math 52% / reading 67% proficiency, ranked #186 of 590 in NY (top 32%) — acceptable for families but not a draw, mixed tenant base, ~2y average lease; only 20% free/reduced lunch — higher-income household profile.
  • Zoned schools: Maud S Sherwood Elementary School (math 42% / reading 72%, grade C+, #842 of 2,108 statewide, top 43%, 335 students, 32% FRL); Islip Middle School (math 32% / reading 52%, grade D-, #379 of 729 statewide, top 54%, 641 students, 37% FRL); Islip High School (math 88% / reading 93%, grade A+, #231 of 1,100 statewide, top 21%, 892 students, 33% FRL).
  • Market conditions: 87 active listings in the ZIP; 6 comparable units currently listed for rent nearby; rentals lingering (median 45d on market — plan ~5-8 weeks vacancy on turnover, expect pricing pressure); 50% of comp listings sitting > 30 days — soft ceiling on asking rent; 1,366 units permitted in Suffolk County in 2024 (216 in 5+ unit buildings).

Forward outlook

  • Local home prices are declining (-3.0%/yr); year-one equity from $1k of loan paydown is wiped out by about $6k of value loss. Plan a longer hold.
  • Suffolk County population projected to shrink 5% by 2050 — rents likely to lag national; underwrite the cash flow, not the appreciation.
  • At projected returns (-3.0% appreciation + 3.0% rent growth), your $55k cash investment doubles in ~5 years — after that, you're playing with house money.

Negotiation context

  • It's been on market 90 days — a 6% lower offer ($183k) is reasonable based on typical stale-listing flexibility.

Risks & watch-outs

  • Climate carrying-cost: major wind risk, 64% chance of damaging wind over 30y; extreme-heat days projected 7→17/yr by 2055 (HVAC capex compounding) — expect insurance premiums to compound above CPI over the hold.
Recommended offer $183,065 (6.0% below list)

Questions for the listing agent

  1. It's been on market 90 days. Have you received any prior offers? Is the seller open to a 6% concession, seller financing, or rate buy-down credit?
  2. Built in 1970 — when were the roof, HVAC, electrical panel, plumbing, and water heater last replaced?
  3. Any open or pending special assessments — roof, HVAC, plumbing, elevator, façade? What's the per-unit balance and payoff schedule, and is the seller paying it off at close or rolling it to the buyer?
  4. Why hasn't it sold? Are there any deal-killer items the seller is aware of (foundation, flood, title, zoning, code violations)?
  5. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  6. Schools are B-rated — typically a magnet for longer-tenancy family renters. What's the average tenant stay here, and is there a school-zone premium baked into asking?
  7. What's the average days-on-market for RENTAL listings here right now (not sales)? A rising rental-DOM trend means longer vacancies and softer asking-rent achievability than the comps imply.
  8. What's the recent tenant-quality profile in this submarket — average credit score on applications, eviction rate, late-payment / NSF rate, and stable-employment percentage? A property-management company in the area should have these aggregated.
  9. How much new apartment / multifamily construction is in the pipeline within 1–3 miles? Heavy new supply (>2% of stock underway) typically softens rents 12–24 months out; light construction supports rent growth.

Investment metrics

1% rule
1.65%
Cap rate
13.66%
Cash-on-cash
26.32%
DSCR
2.17
GRM
5.0

CMA / ARV

No comps found within radius.

Projected returns pro-forma

-3.0% appreciation · 3.0% rent growth · sell at horizon

5-year hold
IRR
20.1%
Equity multiple
1.82×
Total profit
$44,668
Equity at exit
$29,038
10-year hold
IRR
28.4%
Equity multiple
3.52×
Total profit
$137,184
Equity at exit
$16,838

Cash invested: $54,530 (down + closing). Projections, not guarantees.

Landlord ↔ Tenant lean methodology

Overall (STATE)
15 Strongly Tenant-Friendly
State New York
15 Strongly Tenant-Friendly · D+10
County
— inherits STATE
City
— inherits STATE
NYC rent stabilization (~1M units); 2019 HSTPA strengthened tenant rights; courts deeply backlogged.

ZIP-level market 11751

Active inventory
87
Price-to-rent
5.0×

Monthly cashflow live

Estimated rent
$3,218 high interval (Pro) →
Mortgage (P&I)
$1,021
Tax est. 1.5%
$243 /mo · $2,921/yr
Insurance
$81
HOA
$0
Vacancy / Maint / Mgmt
$676
Net cashflow
$1,196

Break-even live

Break-even rent $1,704
Max offer price $194,750
Occupancy floor 58%

Sensitivity live

Price -10% $1,331 -5% $1,263 +0% $1,196 +5% $1,129 +10% $1,061
Rent -10% $942 -5% $1,069 +0% $1,196 +5% $1,323 +10% $1,450
Rate -1.0pp $1,294 -0.5pp $1,246 base $1,196 +0.5pp $1,146 +1.0pp $1,094

UW: 25.0% down · 7.5% · 30yr · 1.5% tax · 5.0% vac · 8.0% maint · 8.0% mgmt

Financing live

Cash to close

Down payment
$48,688
Closing costs
$5,842
Reserves months
Total cash needed

Loan-product check · same deal, 3 products live

Conventional

25% down · 7.5% · 30yr

Down + closing
Monthly P&I
Monthly cashflow
DSCR
Eligible?

Personal DTI + credit; lowest rate.

DSCR

20% down · 8.5% · 30yr

Down + closing
Monthly P&I
Monthly cashflow
DSCR
Eligible?

No personal income docs; deal must DSCR.

Hard money

10% down · 12.0% · 12mo

Down + closing
Monthly P&I
Monthly cashflow
DSCR
Eligible?

Short-term bridge; refi at stabilization.

Rent comps 6 comps

AddressBedsBaths SqftRent$/sqft DOM Units Dist
584 Main St Unit 1 Islip, NY 1.0 1.0 620 $3,150 $5.08 3d 1 0.49mi
584 Main St Unit 5 Islip, NY 2.0 2.0 995 $3,900 $3.92 45d 1 0.49mi
405 E Main St Bay Shore, NY 2.0 1.0–2.0 750 $2,950 $3.93 45d 1 0.74mi
35 Penataquit Ave Bay Shore, NY 2.0 1.0–1.5 637 $3,120 $4.89 0d 13 0.92mi
700 Justine Ct Bay Shore, NY 1.0 1.0 625 $2,195 $3.51 22d 5 1.02mi
39 Bay Shore Ave Bay Shore, NY 1.0 1.0 544 $2,400 $4.41 45d 1 1.46mi

HOA detail condo

Monthly dues
$0 · $0/yr
Assessments
None detected in remarks — confirm with the listing agent.

Listing history 4 events

  1. 2026-03-10
    status Pending
  2. 2026-02-18
    price $194,750
  3. 2026-01-09
    price $205,000
  4. 2025-12-09
    listed $215,250 Active

ⓘ Source: listings_history table (triggers on properties + properties_extension) + one-shot backfill from property_details.listing_events for pre-trigger history.

Climate risk First Street

  • 🌊 Flood 4/10 Moderate FEMA zone X (unshaded) · 23% chance over 30 yrs
  • 🔥 Wildfire 1/10 Low
  • 🌡 Heat 5/10 Major 7 d/yr ≥93°F today · 17 d/yr by 30 yrs out
  • 💨 Wind 6/10 Major 64% chance of damaging wind over 30 yrs
  • 🫁 Air quality 4/10 Moderate 3 unhealthy d/yr today · 5 by 30 yrs out

Nearby sold comps map

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Walkable amenities ~0.75 mi

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Taxation est. · year 1

Rental income
$38,612
− Mortgage interest
−$10,909
− Property taxes
−$2,921
− Insurance
−$974
− Repairs & maintenance
−$3,089
− Management
−$3,089
− Depreciation
−$5,665
Taxable income
$11,964
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$2,871
After-tax cash flow
$11,481/yr

For passive investors: Depreciation is non-cash, so a rental often shows a tax loss while cash-flowing — sheltering income. Rental losses are passive: they offset passive income freely, and up to $25,000/yr can offset ordinary (W-2) income if you actively participate and your MAGI is under $100k (phasing out to $0 by $150k); unused losses carry forward. On sale, claimed depreciation is recaptured at up to 25%, and gains may owe capital-gains tax (a 1031 exchange can defer both). Figures are a year-1 estimate at your 24.0% rate — not tax advice; consult a CPA.

Schools (NCES district)

District
Islip Union Free School District
NCES district ID
3615540
Math proficiency
52% ▼ -7.00%
Reading proficiency
67% ▲ 10.00%
Median HH income
$92,825
Composite
54.7/100
National rank
#1325
State rank
#186 of 590 in NY

Livability — Islip

Score
83/100
State rank
#59
US rank
#878

Category grades

Amenities B Commute A+ Cost of living F Crime B+ Employment A+ Housing A+ Health & safety A+ User ratings A

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Islip, NY
City population
13,152
Population (ZIP)
13,152

Population outlook (Suffolk County) Hauer SSP2

Today (2025)
1,505,262 people
By 2030
1,498,318 · -0.5%
By 2040
1,471,101 · -2.3%
By 2050
1,424,848 · -5.3%
By 2075
1,337,157 · -11.2%
By 2100
1,217,720 · -19.1%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Predominantly White (75%)
Race & ethnicity
White 75% Hispanic / Latino 15% Two or more races 9% Asian 5% Black 3%
Hispanic origin (detail)
Puerto Rican 7%
Common ancestry
Romanian 2% Lithuanian 1% Italian 1%
Foreign-born
8% · Canada, China, Jamaica
Languages at home
89% English-only · Spanish 6% Other Indo-European 2% Chinese 1%

Political lean MEDSL · Suffolk

2024 margin
Lean R (+10.0) · D 45.0% · R 55.0%
2008→2024 swing
-16.0pp toward R · 2008: 6.0pp · 2024: -10.0pp
All cycles
2024: R+10.0 2020: R+0.0 2016: R+8.2 2012: D+2.9 2008: D+6.0

Not yet ingested

Civics

Market trends

HPI YoY
▼ -368.19%
Current HPI
288.0267
Rent YoY
Metro
State GDP YoY
▲ 2.60%
F500 in state
92

Industry mix (Fortune 500 HQ in NY)

Industry F500 HQs Revenue

Price history

-9.5% since first listed
4 events — show timeline
  • 2026-03-10 Pending OneKey® MLS as Distributed by MLS Grid
  • 2026-02-18 Price Changed $194,750 OneKey® MLS as Distributed by MLS Grid
  • 2026-01-09 Price Changed $205,000 OneKey® MLS as Distributed by MLS Grid
  • 2025-12-09 Listed $215,250 OneKey® MLS as Distributed by MLS Grid

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

Loading sold comps…