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431 Columbus Ave Duplex
D+ Composite 49.18
Why this score? — see what drove the D+ 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 +17.7/30.0
  • Appreciation +9.9/10.0
  • DSCR +5.5/10.0
  • 1% rule +4.7/10.0
  • Livability +4.0/5.0
  • Rent growth +3.3/5.0
  • Condition / age +2.5/5.0
  • Schools +1.5/10.0
  • ARV discount +0.0/15.0

$431,500

431 Columbus Ave · New Haven, CT 06519
6 bd · 3.0 ba · 1,976 sqft · MultiFamily public records · 37 Days on market
Built 1988 Est $340k · 27% over

🖨 Deal sheet (PDF) 📄 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

UPDATE as of June 13,2025. To All Buyers, please only respond by email of your SERIOUS about buying ONLY! The house has been remolded and move in ready. MUST SELL BY SEPT. 1st. ASKING PRICE IS FIRM!!

Key facts

  • Built 1988
  • Listed 37 days

Property features AI

Exterior

  • Home design: Built in 1988; One building with 1,976 finished living area
  • Construction: Year built: 1988
  • Exterior features: Located in The Hill subdivision

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/?-bath units multifamily listed at $432k.

Deal economics

  • At list price, monthly cash flow is $350 ($4k/yr) — positive. Per door: $175/mo.
  • The deal already cash-flows at list — no discount required.
  • To meet the 1% rule (rent ≥ 1% of price), the offer needs to be $417k (3.3% below list).
  • Recommended offer: $417k (3.3% below list) — sets the bar for 1% rule.
  • Cap rate 7.3% vs local median 4.8% in New Haven — 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 79/100 on livability (#31 in CT, #2,190 nationally) — a middle-class / working-renter tenant base. Strengths: amenities A+, commute A+, health & safety A+; Watch: schools D+, employment D, crime F.
  • New Haven School District (urban): math 12% / reading 25% proficiency, ranked #147 of 153 in CT (top 96%) — low school quality limits family demand, transient renter base, plan for 1-2y turnover; 66% free/reduced lunch — lower-income household profile, screen leases tightly.
  • Market conditions: Rents rising (+3.3%/yr); 46 active listings in the ZIP; 7 comparable units currently listed for rent nearby; rentals at typical pace (median 15d on market — plan ~3-4 weeks tenant-placement turnaround); 1,059 units permitted in South Central Connecticut Planning Region in 2024 (779 in 5+ unit buildings).
  • At $4,173/mo this rent would consume 101% of the median local household income ($50k/yr) (locally 1321% of renters already pay >50% of income on rent) — very limited rent-growth headroom before tenants either downsize or default.

Forward outlook

  • In year one you build about $45k of equity ($3k loan paydown + $42k appreciation (9.8% local appreciation)).
  • At projected returns (9.8% appreciation + 3.3% rent growth), your $121k cash investment doubles in ~3 years — after that, you're playing with house money.
  • By year 2, paydown + projected appreciation supports a ~$73k cash-out refi (75% LTV) — recoverable capital for the next deal without selling this one.

Negotiation context

  • It's been on market 37 days — a 3% lower offer ($419k) is reasonable based on typical stale-listing flexibility.

Risks & watch-outs

  • Climate carrying-cost: major wind risk, 58% 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 $417,300 (3.3% below list)

Questions for the listing agent

  1. It's been on market 37 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. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  5. Schools are D-rated, which usually means shorter tenancies and higher turnover. Who's the typical renter profile here, and what's been the actual vacancy rate?
  6. 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?
  7. The area grade is low — what's the realistic commute time and amenity access for the typical tenant pool here? Any planned neighborhood developments (good or bad) we should know about?
  8. 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.
  9. 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.
  10. 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
0.97%
Cap rate
7.27%
Cash-on-cash
3.48%
DSCR
1.15
GRM
8.6

CMA / ARV

ARV (on-the-fly)
$339,872
Comps found
12
Show comp detail 12 sales within ~0.75 mi
Address Dist Beds/Ba Sqft Sold Price $/sf Match
45 Frank St 0.10mi 6/3.0 2,120 (+7%) 4mo $430,000 $203 80
171 Frank St 0.28mi 5/3.0 (-1) 1,975 (-0%) 10mo $340,000 $172 74
56 Ann St 0.18mi 5/3.0 (-1) 2,067 (+5%) 6mo $407,000 $197 74
95 Frank St 0.17mi 6/3.0 2,243 (+14%) 2mo $385,000 $172 68
45 Kossuth St 0.22mi 6/3.0 2,153 (+9%) 11mo $425,000 $197 66
152 Lamberton St 0.54mi 6/3.0 2,080 (+5%) 8mo $340,000 $163 60
61 Stevens St 0.42mi 6/2.0 2,046 (+4%) 14mo $300,000 $147 59
133 Plymouth St 0.64mi 6/3.0 2,100 (+6%) 4mo $275,000 $131 57
533 Howard Ave 0.40mi 6/2.0 1,772 (-10%) 6mo $235,000 $133 56
210 Rosette St 0.39mi 6/3.0 2,205 (+12%) 12mo $430,000 $195 52
33 Stevens St 0.34mi 7/2.0 (+1) 2,205 (+12%) 14mo $320,000 $145 44
97 Scranton St 0.68mi 5/3.0 (-1) 2,169 (+10%) 9mo $215,000 $99 39

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

Projected returns pro-forma

9.81% appreciation · 3.3% rent growth · sell at horizon

5-year hold
IRR
26.5%
Equity multiple
3.09×
Total profit
$252,978
Equity at exit
$382,748
10-year hold
IRR
23.4%
Equity multiple
7.03×
Total profit
$728,653
Equity at exit
$819,128

Cash invested: $120,820 (down + closing). Projections, not guarantees.

Landlord ↔ Tenant lean methodology

Overall (STATE)
27 Tenant-Leaning
State Connecticut
27 Tenant-Leaning · D+7
County
— inherits STATE
City
— inherits STATE
Strong tenant statutes; rent commissions in some towns; courts slow especially in cities.

ZIP-level market 06519

Home prices YoY
2.7%
Rents YoY
3.3%
Active inventory
46
Price-to-rent
17.2×

Monthly cashflow live

Estimated rent
$4,173 high interval (Pro) →
Mortgage (P&I)
$2,263
Tax from tax record
$504 /mo · $6,049/yr
Insurance
$180
HOA
$0
Vacancy / Maint / Mgmt
$876
Net cashflow
$350

Break-even live

Break-even rent $3,730
Max offer price $431,500
Occupancy floor 87%

Sensitivity live

Price -10% $594 -5% $472 +0% $350 +5% $228 +10% $106
Rent -10% $20 -5% $185 +0% $350 +5% $515 +10% $680
Rate -1.0pp $567 -0.5pp $460 base $350 +0.5pp $238 +1.0pp $124

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

UnitsBedsBathsEst. rent
Total (2 units) $4,173

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
$107,875
Closing costs
$12,945
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 7 comps

AddressBedsBaths SqftRent$/sqft DOM Units Dist
84 Morris St Unit 2nd Fl New Haven, CT 5.0 2.0 1410 $1,825 $1.29 3d 1 0.47mi
34 Cassius St Unit 36 New Haven, CT 5.0 2.0 1872 $2,300 $1.23 44d 1 0.59mi
5 Gilbert Ave Unit 3 New Haven, CT 5.0 2.0 1240 $1,700 $1.37 24d 1 0.71mi
67 Edgewood Ave New Haven, CT 7.0 2.5 2000 $6,100 $3.05 44d 1 0.94mi
229 Dwight St New Haven, CT 6.0 2.0 2400 $4,995 $2.08 3d 1 0.97mi
37 Center St Unit 2 West Haven, CT 5.0 2.0 2500 $3,300 $1.32 3d 1 1.40mi
54 Trumbull St Unit 54-1 New Haven, CT 5.0 2.5 2250 $6,695 $2.98 15d 1 1.41mi

Listing history 16 events

  1. 2026-06-18
    days on market $431,500 Active 37 DOM
  2. 2026-06-17
    days on market $431,500 Active 36 DOM
  3. 2026-06-16
    days on market $431,500 Active 35 DOM
  4. 2026-06-15
    days on market $431,500 Active 34 DOM
  5. 2026-06-14
    days on market $431,500 Active 32 DOM
  6. 2026-06-13
    days on market $431,500 Active 31 DOM
  7. 2026-06-10
    days on market $431,500 Active 29 DOM
  8. 2026-06-09
    days on market $431,500 Active 28 DOM
  9. 2026-06-08
    days on market $431,500 Active 27 DOM
  10. 2026-06-07
    days on market $431,500 Active 26 DOM
  11. 2026-06-05
    days on market $431,500 Active 23 DOM
  12. 2026-06-03
    days on market $431,500 Active 22 DOM
  13. 2026-06-03
    days on market $431,500 Active 21 DOM
  14. 2026-06-01
    days on market $431,500 Active 20 DOM
  15. 2026-05-31
    days on market $431,500 Active 19 DOM
  16. 2026-05-12
    listed $431,500 Active 200-char remark

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

Tax reassessment forecast CT · Partial reset (capped growth)

Current annual tax
$6,049 · $504/mo
Projected year-2 tax
$7,642 · $637/mo
Expected delta
+$1,593/yr (+$133/mo · 26.3%)

ⓘ Screening estimate from a state-policy table — verify with the county assessor before closing.

Climate risk First Street

  • 🌊 Flood 1/10 Low FEMA zone X (unshaded) · 0% chance over 30 yrs
  • 🔥 Wildfire 1/10 Low
  • 🌡 Heat 7/10 Severe 7 d/yr ≥99°F today · 17 d/yr by 30 yrs out
  • 💨 Wind 6/10 Major 58% chance of damaging wind over 30 yrs
  • 🫁 Air quality 5/10 Major 6 unhealthy d/yr today · 8 by 30 yrs out

Nearby sold comps map

Loading sold comps map…

Walkable amenities ~0.75 mi

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Taxation est. · year 1

Rental income
$50,076
− Mortgage interest
−$24,171
− Property taxes
−$6,049
− Insurance
−$2,158
− Repairs & maintenance
−$4,006
− Management
−$4,006
− Depreciation
−$12,553
Taxable loss
−$2,866
combined federal + state — saved on this device
Est. tax savings @ 24.0%
+$688
After-tax cash flow
$4,887/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
New Haven School District
NCES district ID
0902790
Math proficiency
12% ▼ -10.00%
Reading proficiency
25% ▼ -10.00%
Median HH income
$38,058
Composite
15.48/100
National rank
#9308
State rank
#147 of 153 in CT

Livability — New Haven

Score
79/100
State rank
#31
US rank
#2190

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
New Haven, CT
County
New Haven County · 688,236 people
City population
132,813
Metro
New Haven-Milford, CT
Population (ZIP)
15,605
Household income
$49,619
Rent vs Own
73.7% rent · 26.3% own
Severe rent burden
1321.0

Population outlook (South Central Connecticut County) Hauer SSP2

By 2040
608,362

Race, ethnicity, and origin ACS 2023

Neighborhood character
Diverse neighborhood (Simpson 0.67)
Race & ethnicity
Hispanic / Latino 49% Black 26% White 15% Two or more races 13% Asian 4% Native American 1%
Hispanic origin (detail)
Mexican 15% Puerto Rican 25% Dominican 3%
Common ancestry
Romanian 1% Lithuanian 1%
Foreign-born
25% · Canada, Jamaica, China
Languages at home
50% English-only · Spanish 42% Other Indo-European 4% Arabic 1%

Political lean MEDSL · South Central Connecticut

2024 margin
Strong D (+20.1) · D 59.0% · R 38.9% · Other 2.1%
All cycles
2024: D+20.1

Not yet ingested

Civics

Market trends

HPI YoY
▲ 9.81%
Current HPI
377.4885
Rent YoY
▲ 3.30%
Metro
New Haven-Milford, CT
State GDP YoY
▲ 1.06%
F500 in state
38

Industry mix (Fortune 500 HQ in CT)

Industry F500 HQs Revenue

Price history

1 event — show timeline
  • 2026-05-12 Listed $431,500 FSBO.com

Property tax history

+6.6%/yr

Latest (2023): $6,049 · -6.4% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

Loading sold comps…