6721 SW 140th St
Palmetto Bay, FL 33158 · single_family · For Sale · 121 days on market
Asking price$3,300,000
5 beds 5 baths 5,079 sqft
Suggested offer$2,914,778$385,222 above the est. market value of $2,914,778.
View on Realtor.com →Listed by Drew Kern · BHHS EWM Realty
Typesingle_family
Built1991
Price / sqft$650
Est. value (own analysis)$2,914,778
Rent estimate (own analysis)$10,000/mo
HOA$333/mo
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Statusfor_sale
Listed date2026-05-04
Removed date—
MLSMiamiMLS #A12009704
Coordinates25.64138, -80.30176
Address6721 SW 140th St
CityPalmetto Bay
StateFL
Zip33158
Listing ID5237573477
Sourceus-real-estate-listings, cached 2026-08-31
ZIP market snapshot (33158)
Typical home value (ZHVI)$1,383,443
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 | $3,300,000 |
| Down payment (20.0%) | $660,000 |
| Loan amount | $2,640,000 |
| Closing costs (5.0%) | $165,000 |
| Total cash to close | $825,000 |
| Income | |
| Rent (comp-derived) | $10,000$120,000 |
| Vacancy loss (8.0%) | |
| Effective gross income | $9,200$110,400 |
| Operating expenses | |
| Property tax (placeholder 1.9% of price) | $5,225$62,700 |
| Insurance (placeholder 0.8% of price) | $2,200$26,400 |
| HOA dues | $333$3,996 |
| Management (0.0% of EGI) | $0$0 |
| Maintenance (5.0% of GSR) | $500$6,000 |
| Total operating expenses | $8,258$99,096 |
| 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) | $500$6,000 |
| 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
Widened to city-wide. 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 | 4 | 3,639 | $9,500 | 2026-02-26 | — | |
| single_family | 5 | 4 | 4,559 | $10,500 | 2026-05-20 | — | |
| single_family | 5 | 5 | 4,200 | $17,000 | 2026-05-29 | — | |
| single_family | 5 | 4 | 3,312 | $9,000 | 2026-06-25 | — |
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 |
|---|---|---|---|---|---|---|
| 13650 SW 82nd Ct | single_family | 5 | 6 | 5,051 | $3,000,000 | 2026-08-11 |
| 14590 SW 84th Ct | single_family | 5 | 3 | 3,087 | $1,275,000 | 2026-07-28 |
| 13820 SW 73rd Ave | single_family | 5 | 3 | 2,926 | $1,725,000 | 2026-07-24 |
| 6740 SW 144th St | single_family | 5 | 3 | 3,026 | $1,360,000 | 2026-07-09 |
| 13693 Deering Bay Dr | single_family | 5 | 7 | 6,071 | $4,550,000 | 2026-06-29 |
| 14323 SW 80th Ave | single_family | 5 | 5 | 3,578 | $2,200,000 | 2026-06-25 |
| 8521 SW 145th St | single_family | 5 | 4 | 4,633 | $2,650,000 | 2026-06-25 |
| 6910 SW 145th Ter | single_family | 5 | 5 | 4,870 | $3,600,000 | 2026-06-18 |
| 6975 SW 149th Ter | single_family | 5 | 3 | 2,304 | $1,625,000 | 2026-06-17 |
| 8461 SW 147th Ter | single_family | 5 | 3 | 2,152 | $1,071,000 | 2026-06-15 |
| 8230 SW 150th Dr | single_family | 5 | 4 | 3,485 | $2,000,000 | 2026-06-09 |
| 7695 SW 142nd St | single_family | 5 | 4 | 2,266 | $1,200,000 | 2026-05-28 |
| 7900 SW 143rd St | single_family | 5 | 3 | 2,864 | $1,200,000 | 2026-05-27 |
| 13681 Deering Bay Dr | single_family | 5 | 6 | 5,438 | $3,050,000 | 2026-05-19 |
| 13671 SW Deering Bay Dr | single_family | 5 | 9 | 6,476 | $4,675,000 | 2026-04-13 |
| 7560 SW 144th St | single_family | 5 | 5 | 2,482 | $1,620,000 | 2026-03-24 |
| 13605 SW 73rd Ave | single_family | 5 | 3 | 3,436 | $1,500,000 | 2026-01-15 |
| 6950 SW 146th St | single_family | 5 | 3 | 4,149 | $1,300,000 | 2026-01-07 |
| 7505 SW 141st St | single_family | 5 | 4 | 4,273 | $2,400,000 | 2025-11-19 |
| 6730 SW 141st St | single_family | 5 | 5 | 3,966 | $2,400,000 | 2025-10-30 |
| 6840 N Cartee Rd | single_family | 5 | 3 | 2,871 | $2,237,500 | 2025-09-12 |
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 |
|---|---|---|---|---|---|---|
| 13626 Deering Bay Dr | townhomes | 5 | 6 | 3,276 | $2,375,000 | — |
| 6220 SW 144th St | single_family | 5 | 5 | 4,675 | $3,195,000 | — |
| 7605 SW 147th St | single_family | 5 | 3 | 3,160 | $1,695,000 | — |
| 8522 SW 148th Ter | single_family | 5 | 3 | 2,181 | $1,300,000 | — |
| 14311 SW 74th Ct | single_family | 5 | 3 | 2,288 | $1,325,000 | — |
| 13700 SW 74th Ct | single_family | 5 | 3 | — | $1,649,000 | — |
| 6952 SW 149th Ter | single_family | 5 | 4 | 3,122 | $1,675,000 | — |
| 15144 SW 72nd Ct | single_family | 5 | 4 | 3,200 | $2,200,000 | — |
10-year hold projection
IRR-6.2%
Equity multiple-0.03x
Total return (10yr)-$419,735
| Year | Property value | NOI | Cash flow | Loan balance | Equity |
|---|---|---|---|---|---|
| 1 | $3,399,000 | $11,304 | -$198,280 | $2,611,377 | $787,623 |
| 2 | $3,500,970 | $12,139 | -$197,596 | $2,580,787 | $920,183 |
| 3 | $3,605,999 | $13,011 | -$196,877 | $2,548,098 | $1,057,901 |
| 4 | $3,714,179 | $13,922 | -$196,124 | $2,513,163 | $1,201,016 |
| 5 | $3,825,604 | $14,873 | -$195,334 | $2,475,830 | $1,349,775 |
| 6 | $3,940,373 | $15,866 | -$194,507 | $2,435,933 | $1,504,440 |
| 7 | $4,058,584 | $16,902 | -$193,640 | $2,393,296 | $1,665,288 |
| 8 | $4,180,341 | $17,984 | -$192,732 | $2,347,731 | $1,832,610 |
| 9 | $4,305,752 | $19,113 | -$191,782 | $2,299,037 | $2,006,715 |
| 10 | $4,434,924 | $20,290 | -$190,788 | $2,246,999 | $2,187,925 |
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.