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450 Commonwealth Ave #3 Duplex
C+ Composite 63.03
Why this score? — see what drove the C+ 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 +21.8/30.0
  • ARV discount +15.0/15.0
  • DSCR +7.0/10.0
  • 1% rule +5.7/10.0
  • Schools +5.0/10.0
  • Livability +3.8/5.0
  • Rent growth +2.5/5.0
  • Condition / age +2.2/5.0
  • Appreciation +0.0/10.0

$749,999

450 Commonwealth Ave #3 · New York, NY 10473
8 bd · 3.0 ba · 2,730 sqft · MultiFamily · 42 Days on market
Built 1975 Fair condition 1,992 sqft lot Est $931k · 19% under

🖨 Deal sheet 📄 Offer letter ✓ Due diligence

Multi-family units

County records classify this as Multi-Family (2-4 Unit). Listing-text estimate: 2 units. confirmed

Listing remarks

Great opportunity to own a two-family home with a 3-bedroom over 3-bedroom configuration. Perfect for those looking to occupy one unit while generating rental income from the other. Property is currently occupied and offers a practical layout with strong income potential. As-is sale. No representations or warranties by seller, agent, or brokerage. Buyer to verify all information and perform their own due diligence. Do not disturb occupants. Conveniently located near public transportation, shopping, and neighborhood amenities.

Key facts

  • 1,992 sq ft lot
  • Parking
  • Built 1975

Property features AI

Finance

  • Financial info: Tax year 2025

Exterior

  • Parking: One covered carport space; On-street parking available
  • Utilities: Public sewer; Electricity connected; Natural gas available; Sewer connected
  • Home design: Triplex
  • Construction: Brick construction
  • Exterior features: Fenced front yard; Not waterfront

Interior

  • Bedrooms: Two 3-bedroom units
  • Bathrooms: Three full bathrooms
  • Heating & cooling: Baseboard heating
  • Interior features: Open floor plan; Walk-out basement

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 × 3-bed/1.5-bath units multifamily listed at $750k. Condition is rated fair.

Deal economics

  • At list price, monthly cash flow is $1k ($13k/yr) — positive. Per door: $552/mo.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($8k rent vs $750k).
  • Recommended offer: $727k (3.0% below list) — sets the bar for market timing.
  • Cap rate 8.2% vs local median 2.6% in New York — 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 75/100 on livability (#268 in NY, #4,188 nationally) — a middle-class / working-renter tenant base. Strengths: amenities A+, commute A+, health & safety A; Watch: crime F, cost of living F.
  • Market conditions: 141 active listings in the ZIP; 6,929 units permitted in Bronx County in 2024 (6,829 in 5+ unit buildings).
  • At $8,043/mo this rent would consume 184% of the median local household income ($52k/yr) (locally 3913% of renters already pay >50% of income on rent) — very limited rent-growth headroom before tenants either downsize or default.

Forward outlook

  • Local home prices are declining (-3.0%/yr); year-one equity from $5k of loan paydown is wiped out by about $22k of value loss. Plan a longer hold.
  • Bronx County population projected at +21% by 2050 — long-run rental-demand tailwind backs the buy-and-hold thesis.

Negotiation context

  • It's been on market 42 days — a 3% lower offer ($727k) is reasonable based on typical stale-listing flexibility.

Risks & watch-outs

  • Watch-outs: flood insurance adds $66/mo.
  • Climate carrying-cost: major flood risk; major wind risk, 27% chance of damaging wind over 30y; extreme-heat days projected 7→14/yr by 2055 (HVAC capex compounding) — expect insurance premiums to compound above CPI over the hold.
Recommended offer $727,499 (3.0% below list)

Questions for the listing agent

  1. It's been on market 42 days. Have you received any prior offers? Is the seller open to a 3% concession, seller financing, or rate buy-down credit?
  2. Can we see the unit-by-unit rent roll, current vacancy, and any below-market leases? What's the average tenancy length?
  3. What capital expenditures (roof, boiler, parking lot, exteriors) have been made in the last 5 years, and what's planned in the next 2?
  4. Have any recent inspections been done? Can we get a copy of the seller's disclosures and any deferred-maintenance estimates?
  5. Built in 1975 — when were the roof, HVAC, electrical panel, plumbing, and water heater last replaced?
  6. What's the actual annual flood-insurance premium (NFIP or private), and is the property in a SFHA with mandatory coverage?
  7. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  8. 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?
  9. Crime grade is F in this area — have there been break-ins, vandalism, or insurance claims at this property in the last 3 years? What carrier currently insures it and at what premium?
  10. 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.
  11. 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.
  12. 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
1.07%
Cap rate
8.17%
Cash-on-cash
6.69%
DSCR
1.30
GRM
7.8

CMA / ARV

ARV (on-the-fly)
$930,930
Comps found
7
Show comp detail 7 sales within ~0.75 mi
Address Dist Beds/Ba Sqft Sold Price $/sf Match
454 Commonwealth Ave 0.01mi 7/3.0 (-1) 2,730 (0%) 10mo $920,000 $337 86
485 Commonwealth Ave 0.08mi 7/3.0 (-1) 2,650 (-3%) 10mo $840,000 $317 79
447 Saint Lawrence Ave 0.07mi 7/3.0 (-1) 2,745 (+0%) 15mo $950,000 $346 78
410 Thieriot Ave 0.20mi 7/3.0 (-1) 3,110 (+14%) 6mo $925,000 $297 58
422 Screvin Ave 0.67mi 8/3.0 2,795 (+2%) 10mo $999,999 $358 56
448 Screvin Ave 0.68mi 8/3.0 3,120 (+14%) 14mo $1,065,000 $341 32
136 Pugsley Ave 0.69mi 8/5.0 3,054 (+12%) 24mo $1,200,000 $393 20

Match score weights: distance 35% · size 25% · config 20% · recency 20%. Top-matched comps best support the ARV.

Projected returns pro-forma

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

5-year hold
IRR
-6.6%
Equity multiple
0.76×
Total profit
$-51,028
Equity at exit
$111,827
10-year hold
IRR
3.1%
Equity multiple
1.22×
Total profit
$46,802
Equity at exit
$64,846

Cash invested: $210,000 (down + closing). Projections, not guarantees.

Landlord ↔ Tenant lean methodology

Overall (CITY)
0 Strongly Tenant-Friendly
State New York
15 Strongly Tenant-Friendly · D+10
County
— inherits STATE
City New York
0 Strongly Tenant-Friendly · D+34
Rent Stabilization Code; HSTPA; 6+ months in housing court.

ZIP-level market 10473

Active inventory
141
Price-to-rent
15.5×

Monthly cashflow live

Estimated rent
$8,043 medium interval (Pro) →
Mortgage (P&I)
$3,933
Tax est. 1.5%
$937 /mo · $11,250/yr
Insurance
$312
Flood insurance flood zone
−$66 /mo · $798/yr
HOA
$0
Vacancy / Maint / Mgmt
$1,689
Net cashflow
$1,104

Break-even live

Break-even rent $6,645
Max offer price $749,999
Occupancy floor 81%

2-unit breakdown (identical units grouped — click to expand)

UnitsBedsBathsEst. rent
Total (2 units) $8,043

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
$187,500
Closing costs
$22,500
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.

Listing history 14 events

  1. 2026-06-18
    days on market $749,999 Active 42 DOM
  2. 2026-06-17
    days on market $749,999 Active 41 DOM
  3. 2026-06-16
    days on market $749,999 Active 40 DOM
  4. 2026-06-15
    days on market $749,999 Active 39 DOM
  5. 2026-06-13
    days on market $749,999 Active 37 DOM
  6. 2026-06-10
    days on market $749,999 Active 33 DOM
  7. 2026-06-08
    days on market $749,999 Active 32 DOM
  8. 2026-06-08
    days on market $749,999 Active 31 DOM
  9. 2026-06-04
    days on market $749,999 Active 28 DOM
  10. 2026-06-03
    days on market $749,999 Active 27 DOM
  11. 2026-06-01
    days on market $749,999 Active 25 DOM
  12. 2026-05-31
    days on market $749,999 Active 24 DOM
  13. 2026-05-08
    listed $749,999 Active
  14. 2026-05-05
    historical $749,999

ⓘ 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 7/10 Severe FEMA zone X (shaded) · 78% chance over 30 yrs
  • 🔥 Wildfire 2/10 Low
  • 🌡 Heat 6/10 Major 7 d/yr ≥99°F today · 14 d/yr by 30 yrs out
  • 💨 Wind 6/10 Major 27% chance of damaging wind over 30 yrs
  • 🫁 Air quality 4/10 Moderate 5 unhealthy d/yr today · 6 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
$96,516
− Mortgage interest
−$42,012
− Property taxes
−$11,250
− Insurance
−$4,547
− Repairs & maintenance
−$7,721
− Management
−$7,721
− Depreciation
−$21,818
Taxable income
$1,446
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$347
After-tax cash flow
$12,906/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.

Condition & rehab AI · 1 photo

Fair 45/100 Moderate rehab

This two-family home requires significant exterior and interior repairs, including painting and landscaping, to improve its condition and value.

Repairs flagged

  • Major exterior paint — Peeling paint
  • Major exterior siding — Weathered brick
  • Major interior paint — Peeling paint
  • Major landscaping — Overgrown vegetation

Value-add opportunities

  • Both exterior paint — Enhances curb appeal and property value
  • Both landscaping — Improves curb appeal and property value
  • Both interior paint — Enhances interior appearance and property value

Renovation cost estimate screening

Repair itemSeverityEst. cost
exterior paint · Peeling paint Major $15,000–50,000
exterior siding · Weathered brick Major $15,000–50,000
interior paint · Peeling paint Major $15,000–50,000
landscaping · Overgrown vegetation Major $15,000–50,000
Total estimated repair cost · 4 items $60,000–200,000

Value-add ROI direction

  • Both exterior paint — Enhances curb appeal and property value
  • Both landscaping — Improves curb appeal and property value
  • Both interior paint — Enhances interior appearance and property value

ⓘ Cost ranges are severity-bucket heuristics (US national rule-of-thumb). Get contractor quotes + a written scope before underwriting a rehab budget.

Schools (NCES district)

No district data.

Livability — New York

Score
75/100
State rank
#268
US rank
#4188

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
New York, NY
County
Bronx County · 1,197,324 people
City population
7,731,280
Metro
New York-Newark-Jersey City, NY-NJ-PA
Population (ZIP)
58,855
Household income
$52,462
Rent vs Own
71.4% rent · 28.6% own
Severe rent burden
3913.0

Population outlook (Bronx County) Hauer SSP2

Today (2025)
1,607,353 people
By 2030
1,681,852 · +4.6%
By 2040
1,824,421 · +13.5%
By 2050
1,945,470 · +21.0%
By 2075
2,187,887 · +36.1%
By 2100
2,244,136 · +39.6%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Majority Hispanic (59%)
Race & ethnicity
Hispanic / Latino 59% Black 34% Two or more races 12% Asian 2% White 2%
Hispanic origin (detail)
Puerto Rican 31% Dominican 20%
Common ancestry
British 1%
Foreign-born
23% · Canada, Jamaica
Languages at home
51% English-only · Spanish 45% Other Indo-European 1% French/Haitian/Cajun 1%

Political lean MEDSL · Bronx

2024 margin
Solid D (+45.4) · D 72.7% · R 27.3%
2008→2024 swing
-32.3pp toward R · 2008: 77.8pp · 2024: 45.4pp
All cycles
2024: D+45.4 2020: D+67.6 2016: D+79.1 2012: D+82.9 2008: D+77.8

Not yet ingested

Civics

Market trends

HPI YoY
▼ -212.70%
Current HPI
276.2941
Rent YoY
Metro
New York-Newark-Jersey City, NY-NJ-PA
State GDP YoY
▲ 2.60%
F500 in state
92

Industry mix (Fortune 500 HQ in NY)

Industry F500 HQs Revenue

Price history

+0.0% since first listed
2 events — show timeline
  • 2026-05-08 Listed $749,999 OneKey® MLS as Distributed by MLS Grid
  • 2026-05-05 Coming Soon $749,999 OneKey® MLS as Distributed by MLS Grid

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

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