831 NE 109th St
Biscayne Park, FL 33161 · single_family · For Sale · 13 days on market
Asking price$2,499,000
5 beds 5 baths 3,888 sqft
Suggested offer$1,464,591$1,034,409 above the est. market value of $1,464,591.
View on Realtor.com →Listed by Nancy Batchelor · COMPASS
Typesingle_family
Built1947
Price / sqft$643
Est. value (own analysis)$1,464,591
Rent estimate (own analysis)$12,000/mo
HOANone
Wind10/10Extreme$Heat10/10ExtremeFlood6/10major$Air2/10MinorWildfire1/10Minimal
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Statusfor_sale
Listed date2026-08-20
Removed date—
MLSMiamiMLS #A12064411
Coordinates25.87586, -80.18119
Address831 NE 109th St
CityBiscayne Park
StateFL
Zip33161
Listing ID6466755159
Sourceus-real-estate-listings, cached 2026-09-01
ZIP market snapshot (33161)
Typical home value (ZHVI)$498,596
Typical rent (ZORI)$2,323/mo
Zillow Research's ZHVI (home value index) and ZORI (rent index) for this ZIP, as of 2026-07 — free published data, refreshed monthly, no RentCast quota spent. "Typical value/rent" is a smoothed index, not a literal median of active listings.
Underwriting (buy-and-hold, default assumptions)
| Acquisition (one-time, not monthly/yearly) | |
| Purchase price | $2,499,000 |
| Down payment (20.0%) | $499,800 |
| Loan amount | $1,999,200 |
| Closing costs (5.0%) | $124,950 |
| Total cash to close | $624,750 |
| Income | |
| Rent (comp-derived) | $12,000$144,000 |
| Vacancy loss (8.0%) | |
| Effective gross income | $11,040$132,480 |
| Operating expenses | |
| Property tax (placeholder 1.9% of price) | $3,957$47,481 |
| Insurance (est. scaled by flood & wind risk) | $2,916$34,986 |
| HOA dues | $0$0 |
| Management (0.0% of EGI) | $0$0 |
| Maintenance (5.0% of GSR) | $600$7,200 |
| Total operating expenses | $7,472$89,667 |
| Net operating income (NOI) | |
| Debt service & reserves | |
| Debt service (6.66%, avg 30yr rate as of 2026-08-27, 30yr amortizing) | |
| CapEx reserve (5.0% of GSR) | $600$7,200 |
| Mortgage insurance (PMI) (0.0% of loan, not required — down payment ≥ 20%) | $0$0 |
| Cash flow |
Cap rate
Cash-on-cash
DSCR
Rent-to-price (1% rule)
Gross rent multiplier
Operating expense ratio
Break-even occupancy
Comparables
Same ZIP. Real active rental listings, used to derive the rent estimate above.
| Address | Type | Beds | Baths | Sqft | Asking rent | Listed | Days on market |
|---|---|---|---|---|---|---|---|
| single_family | 5 | 3 | 4,305 | $7,000 | 2026-06-04 | — | |
| single_family | 5 | 3 | 2,572 | $14,000 | 2026-06-29 | — | |
| single_family | 5 | 3 | 2,936 | $12,000 | — | — | |
| single_family | 5 | 3 | 2,936 | $12,000 | 2026-07-30 | — |
Same ZIP & bedroom count. Closed sales from Realtor.com over the last 12 months, matched to this property's type — real transaction prices, not asking prices. Falls back to Miami-Dade County public records (property appraiser tax roll) when Realtor.com has no sales on file for the area.
| Address | Type | Beds | Baths | Living sqft | Sale price | Sale date |
|---|---|---|---|---|---|---|
| 14950 NE 2nd Ave | single_family | 5 | 3 | 1,991 | $750,000 | 2026-07-24 |
| 1140 NE 139th St | single_family | 5 | 3 | — | $740,000 | 2026-06-12 |
| 10760 NE 3rd Ave | single_family | 5 | 2 | 3,823 | $1,750,000 | 2026-04-24 |
| 11975 W Biscayne Canal Rd | single_family | 5 | 3 | 1,600 | $1,585,000 | 2026-04-23 |
| 14400 NE 4th Ave | single_family | 5 | 4 | 2,122 | $1,150,000 | 2026-04-13 |
| 545 NE 111th St | single_family | 5 | 3 | 1,570 | $540,000 | 2026-03-26 |
| 290 NE 108th St | single_family | 5 | 6 | 4,561 | $1,060,000 | 2026-02-10 |
| 12905 NE 4th Ave | single_family | 5 | 2 | 2,366 | $725,000 | 2025-11-20 |
Same ZIP. Other properties currently for sale nearby — asking prices, not closed sale prices. Not a price comp; see Sold comps for actual transaction history.
| Address | Type | Beds | Baths | Sqft | Asking price | Days on market |
|---|---|---|---|---|---|---|
| 935 NE 149th St | single_family | 5 | 4 | 2,800 | $1,350,000 | — |
| 1286 NE 110th St | multi_family | 5 | 2 | 1,868 | $750,000 | — |
| 1290 NE 110th St | multi_family | 5 | 2 | 1,882 | $750,000 | — |
| 430 NE 145th St | single_family | 5 | 3 | 2,180 | $779,000 | — |
| 348 NE 117th St | single_family | 5 | 3 | 2,513 | $1,385,000 | — |
| multi_family | 5 | 3 | — | $1,100,000 | — | |
| 161 NE 117th St | multi_family | 5 | 3 | 2,138 | $825,000 | — |
| 1053 NE 149th St | single_family | 5 | 5 | 600 | $449,000 | — |
10-year hold projection
IRR-2.7%
Equity multiple0.56x
Total return (10yr)$48,865
| Year | Property value | NOI | Cash flow | Loan balance | Equity |
|---|---|---|---|---|---|
| 1 | $2,573,970 | $42,813 | -$118,556 | $1,977,524 | $596,446 |
| 2 | $2,651,189 | $44,546 | -$117,003 | $1,954,360 | $696,829 |
| 3 | $2,730,725 | $46,342 | -$115,392 | $1,929,605 | $801,120 |
| 4 | $2,812,647 | $48,203 | -$113,719 | $1,903,150 | $909,497 |
| 5 | $2,897,026 | $50,132 | -$111,984 | $1,874,878 | $1,022,148 |
| 6 | $2,983,937 | $52,131 | -$110,184 | $1,844,665 | $1,139,272 |
| 7 | $3,073,455 | $54,202 | -$108,317 | $1,812,377 | $1,261,078 |
| 8 | $3,165,658 | $56,348 | -$106,380 | $1,777,872 | $1,387,786 |
| 9 | $3,260,628 | $58,571 | -$104,370 | $1,740,997 | $1,519,631 |
| 10 | $3,358,447 | $60,875 | -$102,286 | $1,701,591 | $1,656,856 |
Assumes 3.0% annual rent growth, 2.5% expense growth, 3.0% appreciation, and a 6.0% selling cost at exit — all placeholder assumptions, not market-derived.