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306 Navigators
A- Composite 83.71
Why this score? — see what drove the A- 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 +28.7/30.0
  • ARV discount +15.0/15.0
  • DSCR +10.0/10.0
  • Appreciation +10.0/10.0
  • 1% rule +9.2/10.0
  • Schools +3.4/10.0
  • Rent growth +2.5/5.0
  • Livability +2.5/5.0
  • Condition / age +2.5/5.0

$1,199,000

306 Navigators · Bethel Island, CA 94511
4 bd · 5.0 ba · 3,332 sqft · SingleFamily public records · 219 Days on market
Built 2022 4,879 sqft lot Est $1506k · 20% under $439/mo HOA · 3% of rent ↓ 6% since listing

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

Listing remarks

Live the luxury lifestyle you always wanted. Stunning and contemporary Delta Coves Waterfront property that checks all the boxes including your private boat ramp and launch. The expensive home boasts of designer touches throughout including an exquisite exterior design. Highlights include modern engineered hardwood flooring, Gourmet Kitchen with quartz countertops including a breakfast bar, designer bathrooms, recessed lighting and much more. This property has a Media Room and extra living space on the upper floor with more breathtaking views. Equipped with a tankless water heater and EV charger to add to the smart home concept. Enjoy comfort year-round with Owned Solar! The backyard is mag

Key facts

  • Ev charger
  • Gourmet kitchen
  • Private boat ramp

Tags

DELTA COVES WATERFRONTPRIVATE BOAT RAMPGOURMET KITCHENMEDIA ROOMTANKLESS WATER HEATEREV CHARGER

Property features AI

Finance

  • Other: Community pool with pool house
  • HOA & community: Homeowners association with monthly fee; Monthly HOA fee includes management, common area maintenance, and organized activities; Community amenities: clubhouse, fitness center, pool, tennis courts, BBQ area, recreation facilities, and organized activities

Exterior

  • Parking: Attached garage with 2 covered spaces (2 garage spaces)
  • Utilities: Seller-owned photovoltaic (solar) system
  • Home design: Single family residence; Residential property; Built in 2022
  • Construction: Wood siding
  • Exterior features: Patio (covered); Front landscaping; Low-maintenance yard; Premium lot; Waterfront

Interior

  • Kitchen: Breakfast bar and eat-in kitchen; Solid surface counters; Dishwasher; Gas range / cooktop; Built-in oven; Microwave; Disposal; Updated kitchen
  • Bedrooms: Includes a street-level bedroom
  • Flooring: Carpet; Engineered wood
  • Bathrooms: Total of 5 bathrooms (4 full, 1 partial); Street-level: 1 full bath and 1 half bath
  • Heating & cooling: Central heating; Central air conditioning
  • Interior features: Breakfast bar; Solid surface countertops; Updated kitchen; Media room; Loft; Living room fireplace
  • Laundry & utility: Dedicated laundry room; Tankless water heater

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 4-bed/5.0-bath single-family listed at $1.20M.

Deal economics

  • At list price, monthly cash flow is $4k ($48k/yr) — positive.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($17k rent vs $1.20M).
  • Recommended offer: $1.06M (12.0% below list) — sets the bar for market timing.
  • Cap rate 10.3% vs local median 2.7% in Bethel Island — 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 49/100 on livability (#1,166 in CA) — a working-class tenant base; expect higher turnover. Strengths: crime A-; Watch: employment C-, schools F, amenities F.
  • Oakley Union Elementary (suburban): math 26% / reading 40% proficiency, ranked #837 of 1,400 in CA (top 60%) — families likely to look elsewhere, expect single-tenant / working-renter base with shorter leases.
  • Market conditions: 79 active listings in the ZIP; 2 comparable units currently listed for rent nearby; 2,169 units permitted in Contra Costa County in 2024 (896 in 5+ unit buildings).

Forward outlook

  • In year one you build about $128k of equity ($8k loan paydown + $120k appreciation (10.0% local appreciation)).
  • Contra Costa County population projected at +26% by 2050 — long-run rental-demand tailwind backs the buy-and-hold thesis.
  • At projected returns (10.0% appreciation + 3.0% rent growth), your $336k cash investment doubles in ~2 years — after that, you're playing with house money.
  • By year 2, paydown + projected appreciation supports a ~$206k cash-out refi (75% LTV) — recoverable capital for the next deal without selling this one.

Negotiation context

  • It's been on market 219 days — a 12% lower offer ($1.06M) is reasonable based on typical stale-listing flexibility.
  • 3 sale attempts since 2y ago; this cycle's ask has dropped $100k (8%) from the opening price — seller is motivated, your offer sets the floor, not the list.

Risks & watch-outs

  • Climate carrying-cost: extreme-heat days projected 7→14/yr by 2055 (HVAC capex compounding) — expect insurance premiums to compound above CPI over the hold.
Recommended offer $1,055,120 (12.0% below list)

Questions for the listing agent

  1. It's been on market 219 days. Have you received any prior offers? Is the seller open to a 12% concession, seller financing, or rate buy-down credit?
  2. What does the HOA fee cover, when was the last increase, and are there any pending special assessments or reserve-fund shortfalls?
  3. Why hasn't it sold? Are there any deal-killer items the seller is aware of (foundation, flood, title, zoning, code violations)?
  4. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  5. Schools are F-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. 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.
  7. 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.
  8. How much new for-sale + rental construction is in the pipeline within 1–3 miles? Heavy new supply typically softens prices + rents 12–24 months out; constrained supply supports both.

Investment metrics

1% rule
1.42%
Cap rate
10.29%
Cash-on-cash
14.27%
DSCR
1.64
GRM
5.9

CMA / ARV

ARV (on-the-fly)
$1,506,064
Comps found
7
Show comp detail 7 sales within ~0.75 mi
Address Dist Beds/Ba Sqft Sold Price $/sf Match
419 Halcyon Pl 0.09mi 4/4.5 3,504 (+5%) 1mo $1,450,000 $414 85
413 Halcyon Pl 0.09mi 4/4.0 3,384 (+2%) 9mo $1,287,000 $380 82
349 Navigator's Pl 0.10mi 5/4.5 (+1) 3,331 (-0%) 18mo $1,499,000 $450 73
3155 Delta Cvs 0.41mi 4/3.5 3,332 (0%) 7mo $1,875,000 $563 69
3413 Delta Coves Dr 0.08mi 4/4.5 2,927 (-12%) 21mo $1,470,000 $502 56
348 Navigator's Pl 0.09mi 4/3.5 2,850 (-14%) 18mo $1,289,000 $452 50
30 Grey Whale Pl 0.60mi 4/4.5 2,924 (-12%) 8mo $1,500,000 $513 43

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

Projected returns pro-forma

10.0% appreciation · 3.0% rent growth · sell at horizon

5-year hold
IRR
34.8%
Equity multiple
3.71×
Total profit
$908,288
Equity at exit
$1,080,154
10-year hold
IRR
30.0%
Equity multiple
8.38×
Total profit
$2,476,634
Equity at exit
$2,329,393

Cash invested: $335,720 (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 94511

Home prices YoY
4.6%
Active inventory
79
Price-to-rent
5.9×

Monthly cashflow live

Estimated rent
$16,966 medium interval (Pro) →
Mortgage (P&I)
$6,288
Tax from tax record
$2,184 /mo · $26,205/yr
Insurance
$500
HOA
$439
Vacancy / Maint / Mgmt
$3,563
Net cashflow
$3,993

Break-even live

Break-even rent $11,911
Max offer price $1,199,000
Occupancy floor 71%

Sensitivity live

Price -10% $4,672 -5% $4,333 +0% $3,993 +5% $3,654 +10% $3,315
Rent -10% $2,653 -5% $3,323 +0% $3,993 +5% $4,663 +10% $5,334
Rate -1.0pp $4,597 -0.5pp $4,298 base $3,993 +0.5pp $3,683 +1.0pp $3,367

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
$299,750
Closing costs
$35,970
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 2 comps

AddressBedsBaths SqftRent$/sqft DOM Units Dist
407 Halcyon Pl Bethel Island, CA 4.0 5.5 3851 $20,000 $5.19 0d 1 0.06mi
98 Edgewater Ct Bethel Island, CA 4.0 5.0 3900 $6,500 $1.67 0d 1 0.34mi

HOA detail

Monthly dues
$439 · $5,268/yr
Likely covers
water

Listing history 26 events

  1. 2026-06-21
    pricedays on market $1,199,000 Active 219 DOM
  2. 2026-06-18
    days on market $1,225,000 Active 216 DOM
  3. 2026-06-17
    days on market $1,225,000 Active 215 DOM
  4. 2026-06-16
    days on market $1,225,000 Active 214 DOM
  5. 2026-06-15
    days on market $1,225,000 Active 213 DOM
  6. 2026-06-13
    days on market $1,225,000 Active 211 DOM
  7. 2026-06-13
    days on market $1,225,000 Active 210 DOM
  8. 2026-06-09
    days on market $1,225,000 Active 207 DOM
  9. 2026-06-08
    days on market $1,225,000 Active 206 DOM
  10. 2026-06-07
    days on market $1,225,000 Active 205 DOM
  11. 2026-06-04
    days on market $1,225,000 Active 202 DOM
  12. 2026-06-03
    days on market $1,225,000 Active 201 DOM
  13. 2026-06-02
    days on market $1,225,000 Active 200 DOM
  14. 2026-06-01
    days on market $1,225,000 Active 199 DOM
  15. 2026-05-31
    days on market $1,225,000 Active 198 DOM
  16. 2026-01-23
    price $1,225,000
  17. 2025-11-14
    historical
  18. 2025-11-14
    listed $1,299,000 Active
  19. 2025-09-26
    status Active
  20. 2025-09-26
    price
  21. 2025-04-23
    status Pending
  22. 2025-03-17
    price
  23. 2025-03-07
    price
  24. 2025-01-15
    price
  25. 2024-12-11
    price
  26. 2024-11-19
    listed Active

ⓘ 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
$26,205 · $2,184/mo
Projected year-2 tax
$26,205 · $2,184/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 (shaded) · 0% chance over 30 yrs
  • 🔥 Wildfire 3/10 Moderate
  • 🌡 Heat 6/10 Major 7 d/yr ≥101°F today · 14 d/yr by 30 yrs out
  • 💨 Wind 1/10 Low
  • 🫁 Air quality 10/10 Extreme 21 unhealthy d/yr today · 23 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
$203,595
− Mortgage interest
−$67,163
− Property taxes
−$26,205
− Insurance
−$5,995
− Repairs & maintenance
−$16,288
− Management
−$16,288
− HOA
−$5,268
− Depreciation
−$34,880
Taxable income
$31,509
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$7,562
After-tax cash flow
$40,357/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
Oakley Union Elementary
NCES district ID
0628080
Math proficiency
26% ▬ 0.00%
Reading proficiency
40% ▲ 1.00%
Median HH income
$77,903
Composite
34.04/100
National rank
#10301
State rank
#837 of 1400 in CA

Livability — Bethel Island

Score
49/100
State rank
#1166
US rank
#25883

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Bethel Island, CA
City population
2,144
Population (ZIP)
2,144

Population outlook (Contra Costa County) Hauer SSP2

Today (2025)
1,287,720 people
By 2030
1,364,937 · +6.0%
By 2040
1,506,209 · +17.0%
By 2050
1,624,373 · +26.1%
By 2075
1,853,193 · +43.9%
By 2100
1,901,231 · +47.6%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Predominantly White (67%)
Race & ethnicity
White 67% Hispanic / Latino 25% Asian 6% Two or more races 3% Pacific Islander 2%
Hispanic origin (detail)
Mexican 25%
Common ancestry
Slovak 5% Serbian 2% Portuguese 2%
Foreign-born
27% · Canada, South Korea, China
Languages at home
77% English-only · Spanish 20% Other Asian/Pacific 2% Chinese 1%

Political lean MEDSL · Contra Costa

2024 margin
Solid D (+38.0) · D 67.3% · R 29.4% · Other 3.3%
2008→2024 swing
+0.2pp no change · 2008: 37.8pp · 2024: 38.0pp
All cycles
2024: D+38.0 2020: D+45.3 2016: D+43.5 2012: D+33.7 2008: D+37.8

Not yet ingested

Civics

Market trends

HPI YoY
▲ 13.77%
Current HPI
312.0698
Rent YoY
Metro
State GDP YoY
▲ 3.21%
F500 in state
116

Industry mix (Fortune 500 HQ in CA)

Industry F500 HQs Revenue

Price history

-5.7% since first listed
11 events — show timeline
  • 2026-01-23 Price Changed $1,225,000 bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2025-11-14 Listing Removed bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2025-11-14 Listed $1,299,000 bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2025-09-26 Relisted bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2025-09-26 Price Changed bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2025-04-23 Pending bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2025-03-17 Price Changed bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2025-03-07 Price Changed bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2025-01-15 Price Changed bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2024-12-11 Price Changed bridgeMLS, Bay East AOR, or Contra Costa AOR
  • 2024-11-19 Listed bridgeMLS, Bay East AOR, or Contra Costa AOR

Property tax history

+17.6%/yr

Latest (2025): $26,205 · +1.8% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

Loading sold comps…