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3670 Altadena Ave 10-Plex
B- Composite 66.85
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
  • DSCR +10.0/10.0
  • 1% rule +7.7/10.0
  • ARV discount +7.5/15.0
  • Livability +3.8/5.0
  • Rent growth +3.2/5.0
  • Condition / age +2.5/5.0
  • Schools +2.2/10.0
  • Appreciation +0.0/10.0

$2,295,000

3670 Altadena Ave · San Diego, CA 92105
10 bd · 10.0 ba · 6,510 sqft · MultiFamily public records · 154 Days on market
Built 1976

🖨 Deal sheet 📄 Offer letter ✓ Due diligence

Multi-family units

County records classify this as Multi-Family (5+ Unit). Listing-text estimate: 10 units. confirmed

5+ unit building — per-unit beds/baths from public records are typically unavailable; the breakdown below (if shown) is an estimate from the listing text.

Listing remarks

Pleased to present the pricing and analysis for 3670 Altadena Avenue, a 10-unit multifamily property located in the heart of Chollas Creek, one of San Diego’s centrally located and steadily evolving rental submarkets. The property features a unit mix of ten (10) large one-bedroom/one-bathroom units averaging approximately 650 square feet, with floorplans that offer potential for reconfiguration into two-bedroom units. Built in 1976, the property offers practical layouts that appeal to singles, couples, and long-term tenants. All roofs have been fully replaced within the last three years. Additionally, Altadena Avenue is in a designated Opportunity Zone, allowing buyers to potentially

Key facts

  • Multifamily property
  • Central location
  • Fully replaced roofs

Tags

MULTIFAMILY PROPERTYUNIT MIX OF TENFULLY REPLACED ROOFSCENTRAL LOCATIONPROXIMITY TO PUBLIC TRANSITNEAR UNIVERSITY AVENUE

Property features AI

Exterior

  • Parking: 14 parking spaces
  • Home design: Income property
  • Exterior features: Property listed as Residential Income; Commercial-Residential income subtype

Interior

  • Bathrooms: Six full bathrooms
  • Interior features: Unbranded virtual tour available

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 10 × 6-bed/6.0-bath units multifamily listed at $2.29M.

Deal economics

  • At list price, monthly cash flow is $9k ($107k/yr) — positive. Per door: $889/mo.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($29k rent vs $2.29M).
  • Recommended offer: $2.02M (12.0% below list) — sets the bar for market timing.
  • Cap rate 10.9% vs local median 2.0% in San Diego — 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 (#123 in CA, #4,206 nationally) — a middle-class / working-renter tenant base. Strengths: amenities A+, commute A+, employment A+; Watch: health & safety C-, crime D+, cost of living F.
  • San Diego Unified (urban): math 19% / reading 29% proficiency, ranked #393 of 517 in CA (top 76%) — low school quality limits family demand, transient renter base, plan for 1-2y turnover.
  • Market conditions: Rents rising (+2.6%/yr); 120 active listings in the ZIP; 11,759 units permitted in San Diego County in 2024 (7,244 in 5+ unit buildings).
  • At $29,154/mo this rent would consume 510% of the median local household income ($69k/yr) (locally 4800% 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 $16k of loan paydown is wiped out by about $69k of value loss. Plan a longer hold.
  • San Diego County population projected at +20% by 2050 — long-run rental-demand tailwind backs the buy-and-hold thesis.
  • At projected returns (-3.0% appreciation + 2.6% rent growth), your $643k cash investment doubles in ~8 years — after that, you're playing with house money.

Negotiation context

  • It's been on market 154 days — a 12% lower offer ($2.02M) is reasonable based on typical stale-listing flexibility.
  • 2 sale attempts; this cycle's ask has dropped $200k (8%) from the opening price — seller is motivated, your offer sets the floor, not the list.
  • Current owner paid $760k; list at $2.29M implies a 202% gain — meaningful room to come down on a strong offer.
Recommended offer $2,019,600 (12.0% below list)

Questions for the listing agent

  1. It's been on market 154 days. Have you received any prior offers? Is the seller open to a 12% 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. Built in 1976 — when were the roof, HVAC, electrical panel, plumbing, and water heater last replaced?
  5. Why hasn't it sold? Are there any deal-killer items the seller is aware of (foundation, flood, title, zoning, code violations)?
  6. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  7. 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?
  8. Crime grade is D 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?
  9. 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.
  10. 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.
  11. 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
1.27%
Cap rate
10.94%
Cash-on-cash
16.59%
DSCR
1.74
GRM
6.6

CMA / ARV

No comps found within radius.

Projected returns pro-forma

-3.0% appreciation · 2.65% rent growth · sell at horizon

5-year hold
IRR
7.3%
Equity multiple
1.29×
Total profit
$183,248
Equity at exit
$342,192
10-year hold
IRR
16.3%
Equity multiple
2.31×
Total profit
$844,179
Equity at exit
$198,430

Cash invested: $642,600 (down + closing). Projections, not guarantees.

Landlord ↔ Tenant lean methodology

Overall (STATE)
18 Strongly Tenant-Friendly
State California
18 Strongly Tenant-Friendly · D+13
County
— inherits STATE
City
— inherits STATE
AB1482 statewide rent cap (10% + CPI). Cities (SF/LA/Berkeley) layer stricter rules. Just-cause statewide.

ZIP-level market 92105

Rents YoY
2.6%
Active inventory
120
Price-to-rent
65.6×

Monthly cashflow live

Estimated rent
$29,154 medium interval (Pro) →
Mortgage (P&I)
$12,035
Tax from tax record
$1,154 /mo · $13,845/yr
Insurance
$956
HOA
$0
Vacancy / Maint / Mgmt
$6,122
Net cashflow
$8,886

Break-even live

Break-even rent $17,905
Max offer price $2,295,000
Occupancy floor 65%

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

UnitsBedsBathsEst. rent
Total (10 units) $29,154

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
$573,750
Closing costs
$68,850
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 18 events

  1. 2026-06-18
    days on market $2,295,000 Active 154 DOM
  2. 2026-06-17
    days on market $2,295,000 Active 153 DOM
  3. 2026-06-16
    days on market $2,295,000 Active 152 DOM
  4. 2026-06-15
    days on market $2,295,000 Active 151 DOM
  5. 2026-06-13
    days on market $2,295,000 Active 149 DOM
  6. 2026-06-09
    days on market $2,295,000 Active 145 DOM
  7. 2026-06-08
    days on market $2,295,000 Active 144 DOM
  8. 2026-06-07
    days on market $2,295,000 Active 143 DOM
  9. 2026-06-04
    days on market $2,295,000 Active 140 DOM
  10. 2026-06-03
    days on market $2,295,000 Active 139 DOM
  11. 2026-06-01
    days on market $2,295,000 Active 137 DOM
  12. 2026-05-31
    days on market $2,295,000 Active 136 DOM
  13. 2026-03-20
    price $2,295,000
  14. 2026-03-12
    status Active
  15. 2026-03-11
    historical
  16. 2025-12-05
    listed $2,495,000 Active
  17. 2003-05-07
    soldstatus $760,000
  18. 2002-01-18
    soldstatus $550,000

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

Tax reassessment forecast CA · Resets to sale price

Current annual tax
$13,845 · $1,154/mo
Projected year-2 tax
$17,442 · $1,454/mo
Expected delta
+$3,597/yr (+$300/mo · 26.0%)

ⓘ 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 4/10 Moderate 7 d/yr ≥90°F today · 20 d/yr by 30 yrs out
  • 💨 Wind 1/10 Low
  • 🫁 Air quality 3/10 Moderate 2 unhealthy d/yr today · 2 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
$349,848
− Mortgage interest
−$128,556
− Property taxes
−$13,845
− Insurance
−$11,475
− Repairs & maintenance
−$27,988
− Management
−$27,988
− Depreciation
−$66,764
Taxable income
$73,233
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$17,576
After-tax cash flow
$89,061/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
San Diego Unified
NCES district ID
0634320
Math proficiency
19% ▼ -29.00%
Reading proficiency
29% ▼ -28.00%
Median HH income
$61,673
Composite
22.31/100
National rank
#8135
State rank
#393 of 517 in CA

Livability — San Diego

Score
75/100
State rank
#123
US rank
#4206

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
San Diego, CA
County
San Diego County · 3,178,799 people
City population
1,397,612
Metro
San Diego-Chula Vista-Carlsbad, CA
Population (ZIP)
71,411
Household income
$68,563
Rent vs Own
67.4% rent · 32.6% own
Severe rent burden
4800.0

Population outlook (San Diego County) Hauer SSP2

Today (2025)
3,678,185 people
By 2030
3,856,546 · +4.8%
By 2040
4,171,407 · +13.4%
By 2050
4,421,607 · +20.2%
By 2075
4,831,599 · +31.4%
By 2100
4,832,502 · +31.4%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Diverse neighborhood (Simpson 0.69)
Race & ethnicity
Hispanic / Latino 49% Two or more races 23% Asian 18% White 15% Black 13% Native American 2%
Hispanic origin (detail)
Mexican 45%
Common ancestry
Ukrainian 1% Romanian 1% Lithuanian 1%
Foreign-born
36% · Canada, Vietnam, China
Languages at home
38% English-only · Spanish 39% Vietnamese 9% Other Asian/Pacific 5%

Political lean MEDSL · San Diego

2024 margin
D (+16.8) · D 56.9% · R 40.1% · Other 2.9%
2008→2024 swing
+6.6pp toward D · 2008: 10.2pp · 2024: 16.8pp
All cycles
2024: D+16.8 2020: D+22.8 2016: D+17.8 2012: D+5.1 2008: D+10.2

Not yet ingested

Civics

Market trends

HPI YoY
▼ -679.97%
Current HPI
483.3536
Rent YoY
▲ 2.65%
Metro
San Diego-Chula Vista-Carlsbad, CA
State GDP YoY
▲ 3.21%
F500 in state
116

Industry mix (Fortune 500 HQ in CA)

Industry F500 HQs Revenue

Price history

+317.3% since first listed
6 events — show timeline
  • 2026-03-20 Price Changed $2,295,000 SDMLS
  • 2026-03-12 Relisted SDMLS
  • 2026-03-11 Listing Removed SDMLS
  • 2025-12-05 Listed $2,495,000 SDMLS
  • 2003-05-07 Sold (Public Records) $760,000 Public Records
  • 2002-01-18 Sold (Public Records) $550,000 Public Records

Property tax history

+2.5%/yr

Latest (2025): $13,845 · +3.9% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

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