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17910 Old Monte Rio Rd Triplex
C Composite 55.95
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 +23.1/30.0
  • DSCR +7.4/10.0
  • ARV discount +7.4/15.0
  • 1% rule +5.8/10.0
  • Schools +4.3/10.0
  • Livability +3.0/5.0
  • Rent growth +2.5/5.0
  • Condition / age +2.5/5.0
  • Appreciation +0.0/10.0

$675,000

17910 Old Monte Rio Rd · Guerneville, CA 95446
4 bd · 3.0 ba · 1,740 sqft · MultiFamily public records · 108 Days on market
Built 1923 6,050 sqft lot Est $673k · at est.

🖨 Deal sheet 📄 Offer letter ✓ Due diligence

Multi-family units

County records classify this as Multi-Family (2-4 Unit). Listing-text estimate: 3 units. confirmed

Listing remarks MLS

Great Investment Opportunity for this fixer. Duplex plus a detached cottage. Nice patio areas, stone walkways,decks and detached garage.

Key facts

  • Private deck
  • Updated bathrooms
  • Updated kitchens

Tags

PRIVATELY SITUATEDUPDATED KITCHENSUPDATED BATHROOMSON-SITE LAUNDRYPRIVATE DECKPARTIAL RIVER VIEWS

Property features AI

Finance

  • HOA & community: No association

Exterior

  • Parking: Detached garage (1 garage space); Total parking for 3 vehicles
  • Security: Carbon monoxide detector
  • Utilities: Public sewer
  • Home design: Residential income property (triplex); Two levels; Updated/remodeled condition (varies by unit)
  • Construction: Composition roof
  • Exterior features: Private lot; Balcony/Deck

Interior

  • Kitchen: Kitchen details vary by unit
  • Bedrooms: Unit 1: 2 bedrooms; Unit 2: studio; Unit 3: 1 bedroom
  • Bathrooms: Unit 1: 1 full bathroom; Unit 2: 1 full bathroom; Unit 3: (bathroom count not provided)
  • Heating & cooling: Wall furnace heating; No central cooling
  • Interior features: In-unit and common-area conditions vary by unit; Carbon monoxide detector
  • Laundry & utility: Laundry located in common area

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 3 × 3-bed/3.0-bath units multifamily listed at $675k.

Deal economics

  • At list price, monthly cash flow is $1k ($14k/yr) — positive. Per door: $402/mo.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($7k rent vs $675k).
  • Recommended offer: $614k (9.0% below list) — sets the bar for market timing.
  • Cap rate 8.4% vs local median 2.1% in Guerneville — 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 59/100 on livability (#666 in CA) — a working-class tenant base; expect higher turnover. Strengths: crime A-, employment B; Watch: health & safety D, amenities F, commute F.
  • West Sonoma County Union High (suburban): math 43% / reading 56% proficiency, ranked #143 of 517 in CA (top 28%) — families likely to look elsewhere, expect single-tenant / working-renter base with shorter leases.
  • Market conditions: 82 active listings in the ZIP; 1 comparable units currently listed for rent nearby; solid renter incomes; 1,039 units permitted in Sonoma County in 2024 (185 in 5+ unit buildings).
  • At $7,295/mo this rent would consume 102% of the median local household income ($86k/yr) (locally 242% 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 $20k of value loss. Plan a longer hold.
  • Sonoma County population projected at +8% by 2050 — modest demand growth; plan on rents tracking national, not racing it.

Negotiation context

  • It's been on market 108 days — a 9% lower offer ($614k) is reasonable based on typical stale-listing flexibility.
  • 3 sale attempts since 13y ago with the ask held roughly flat each time — persistent listings suggest the price (not the market) is what's stuck; bring a comps-based counter.
  • Current owner paid $161k; list at $675k implies a 319% gain — meaningful room to come down on a strong offer.

Risks & watch-outs

  • Watch-outs: built in 1923 — expect roof / HVAC / electrical / plumbing capex.
Recommended offer $614,250 (9.0% below list)

Questions for the listing agent

  1. It's been on market 108 days. Have you received any prior offers? Is the seller open to a 9% 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 1923 — 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. 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
1.08%
Cap rate
8.44%
Cash-on-cash
7.65%
DSCR
1.34
GRM
7.7

CMA / ARV

ARV (on-the-fly)
$673,380
Comps found
1
Show comp detail 1 sale within ~0.75 mi
Address Dist Beds/Ba Sqft Sold Price $/sf Match
17408 River Ln 0.25mi 3/3.0 (-1) 1,900 (+9%) 21mo $736,000 $387 50

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
-4.6%
Equity multiple
0.83×
Total profit
$-32,582
Equity at exit
$100,645
10-year hold
IRR
5.1%
Equity multiple
1.37×
Total profit
$70,640
Equity at exit
$58,362

Cash invested: $189,000 (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 95446

Active inventory
82
Price-to-rent
23.1×

Monthly cashflow live

Estimated rent
$7,295 medium interval (Pro) →
Mortgage (P&I)
$3,540
Tax from tax record
$737 /mo · $8,843/yr
Insurance
$281
HOA
$0
Vacancy / Maint / Mgmt
$1,532
Net cashflow
$1,205

Break-even live

Break-even rent $5,770
Max offer price $675,000
Occupancy floor 78%

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

UnitsBedsBathsEst. rent
Total (3 units) $7,295

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
$168,750
Closing costs
$20,250
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 1 comps

AddressBedsBaths SqftRent$/sqft DOM Units Dist
16799 Center Way Guerneville, CA 5.0 2.0 2040 $6,900 $3.38 12d 1 0.91mi

Listing history 29 events

  1. 2026-06-18
    days on market $675,000 Active 108 DOM
  2. 2026-06-17
    days on market $675,000 Active 107 DOM
  3. 2026-06-16
    days on market $675,000 Active 106 DOM
  4. 2026-06-15
    days on market $675,000 Active 105 DOM
  5. 2026-06-14
    days on market $675,000 Active 103 DOM
  6. 2026-06-13
    days on market $675,000 Active 102 DOM
  7. 2026-06-10
    days on market $675,000 Active 100 DOM
  8. 2026-06-09
    days on market $675,000 Active 99 DOM
  9. 2026-06-08
    days on market $675,000 Active 98 DOM
  10. 2026-06-07
    days on market $675,000 Active 97 DOM
  11. 2026-06-05
    days on market $675,000 Active 94 DOM
  12. 2026-06-03
    days on market $675,000 Active 93 DOM
  13. 2026-06-02
    days on market $675,000 Active 92 DOM
  14. 2026-06-01
    days on market $675,000 Active 91 DOM
  15. 2026-05-31
    days on market $675,000 Active 90 DOM
  16. 2026-05-30
    days on market $675,000 Active 89 DOM
  17. 2026-03-02
    listed $675,000 Active
  18. 2016-09-05
    historical Off-Market
  19. 2016-03-21
    listed $399,000 Active
  20. 2013-02-28
    soldstatus $161,000 Sold 136-char remark
    Show marketing remark (136 chars)

    Great Investment Opportunity for this fixer. Duplex plus a detached cottage. Nice patio areas, stone walkways,decks and detached garage.

  21. 2013-02-28
    soldstatus $161,000
    Show marketing remark (136 chars)

    Great Investment Opportunity for this fixer. Duplex plus a detached cottage. Nice patio areas, stone walkways,decks and detached garage.

  22. 2013-02-12
    status Contingent (Show) 136-char remark
    Show marketing remark (136 chars)

    Great Investment Opportunity for this fixer. Duplex plus a detached cottage. Nice patio areas, stone walkways,decks and detached garage.

  23. 2013-01-30
    price $170,100 136-char remark
    Show marketing remark (136 chars)

    Great Investment Opportunity for this fixer. Duplex plus a detached cottage. Nice patio areas, stone walkways,decks and detached garage.

  24. 2013-01-23
    listed $170,000 Active 136-char remark
    Show marketing remark (136 chars)

    Great Investment Opportunity for this fixer. Duplex plus a detached cottage. Nice patio areas, stone walkways,decks and detached garage.

  25. 2006-06-29
    soldstatus $379,500
  26. 2001-11-20
    soldstatus $235,000
  27. 2000-03-01
    soldstatus $181,000
  28. 1997-08-11
    soldstatus $118,000
  29. 1988-05-09
    soldstatus $95,000

ⓘ 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
$8,843 · $737/mo
Projected year-2 tax
$8,843 · $737/mo
Expected delta
$0/yr ($0/mo · 0.0%)

ⓘ 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 4/10 Moderate
  • 🌡 Heat 2/10 Low 7 d/yr ≥87°F today · 19 d/yr by 30 yrs out
  • 💨 Wind 1/10 Low
  • 🫁 Air quality 9/10 Extreme 17 unhealthy d/yr today · 19 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
$87,540
− Mortgage interest
−$37,810
− Property taxes
−$8,843
− Insurance
−$3,375
− Repairs & maintenance
−$7,003
− Management
−$7,003
− Depreciation
−$19,636
Taxable income
$3,868
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$928
After-tax cash flow
$13,533/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
West Sonoma County Union High
NCES district ID
0602670
Math proficiency
43% ▲ 16.00%
Reading proficiency
56% ▼ -1.00%
Median HH income
$61,845
Composite
43.45/100
National rank
#3006
State rank
#143 of 517 in CA

Livability — Guerneville

Score
59/100
State rank
#666
US rank
#20615

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Guerneville, CA
County
Sonoma County · 449,805 people
City population
4,607
Metro
Santa Rosa-Petaluma, CA
Population (ZIP)
4,607
Household income
$85,833
Rent vs Own
31.8% rent · 68.2% own
Severe rent burden
242.0

Population outlook (Sonoma County) Hauer SSP2

Today (2025)
539,935 people
By 2030
554,870 · +2.8%
By 2040
573,262 · +6.2%
By 2050
580,715 · +7.6%
By 2075
579,229 · +7.3%
By 2100
547,835 · +1.5%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Predominantly White (76%)
Race & ethnicity
White 76% Hispanic / Latino 15% Two or more races 13% Native American 2%
Hispanic origin (detail)
Mexican 12% Cuban 2%
Common ancestry
Italian 7% Slovak 5% Lithuanian 4%
Foreign-born
6% · Canada
Languages at home
91% English-only · Spanish 7% Other Indo-European 1% French/Haitian/Cajun 1%

Political lean MEDSL · Sonoma

2024 margin
Solid D (+46.2) · D 71.4% · R 25.2% · Other 3.3%
2008→2024 swing
-3.4pp toward R · 2008: 49.6pp · 2024: 46.2pp
All cycles
2024: D+46.2 2020: D+51.5 2016: D+47.9 2012: D+44.9 2008: D+49.6

Not yet ingested

Civics

Market trends

HPI YoY
▼ -578.26%
Current HPI
267.138
Rent YoY
Metro
Santa Rosa-Petaluma, CA
State GDP YoY
▲ 3.21%
F500 in state
116

Industry mix (Fortune 500 HQ in CA)

Industry F500 HQs Revenue

Price history

+610.5% since first listed
13 events — show timeline
  • 2026-03-02 Listed $675,000 BAREIS
  • 2016-09-05 Delisted BAREIS
  • 2016-03-21 Listed $399,000 BAREIS
  • 2013-02-28 Sold (Public Records) $161,000 Public Records
  • 2013-02-28 Sold (MLS) $161,000 BAREIS
  • 2013-02-12 Pending BAREIS
  • 2013-01-30 Price Changed $170,100 BAREIS
  • 2013-01-23 Listed $170,000 BAREIS
  • 2006-06-29 Sold (Public Records) $379,500 Public Records
  • 2001-11-20 Sold (Public Records) $235,000 Public Records
  • 2000-03-01 Sold (Public Records) $181,000 Public Records
  • 1997-08-11 Sold (Public Records) $118,000 Public Records
  • 1988-05-09 Sold (Public Records) $95,000 Public Records

Property tax history

+1.4%/yr

Latest (2025): $8,843 · +6.1% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

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