2048 Quartz St, Castle Rock, CO 80109
Castle Rock, CO 80109 · 4 bd · 2.5 ba · 2,327 sqft · Single Family · 7 days on market
The math, in full
- Asking price
- $570,000
- Down payment (25%)
- $142,500
- Loan amount
- $427,500
- Est. monthly rent
- $3,605/mo
- Range $3,064–$4,146/mo
- Monthly payment, all-in
- $3,530/mo
- Mortgage + taxes + insurance (PITIA)
- Cashflow ratio (DSCR)
- 1.02
- $3,605 rent ÷ $3,530 payment
- Monthly cashflow
- +$75/mo
- What's left after the payment
Where the rent number comes from
Median asking rent for 4-bedroom homes in zip 80109, from current market comps — not a per-property guess. High confidence — plenty of comparable rentals in this zip.
Cash to start
$142,500
25% down on $570,000
Your local lenderNo credit pull. No obligation. A loan officer confirms real terms within one business day.
- Screened against real lending criteria — this one fits 3 programs.
- Qualifies on the property's rent — no W-2 or tax returns.
- Listing data verified as of June 8, 2026.
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Rent, payment, and cashflow figures are estimates based on current market data and business-purpose investment-loan criteria, for non-owner-occupied property. Not a commitment to lend, not financial advice, and not an offer of any specific loan or property. Listing data may change; properties may sell. All terms confirmed by a loan officer and subject to underwriting and appraisal.