421 SW 9th Ave
Miami, FL 33130 · multi_family · For Sale · 30 days on market
Asking price$1,450,000
4 beds 4 baths 2,000 sqft
Suggested offer$692,260$757,740 above the est. market value of $692,260.
View on Realtor.com →Listed by Haraum Mellado · RE/MAX Advance Realty II
Typemulti_family
Built1956
Price / sqft$725
Est. value (own analysis)$692,260
Rent estimate (building total, own analysis)$8,000/mo
HOANone
Wind10/10Extreme$Heat10/10ExtremeFlood8/10severe$Air2/10MinorWildfire1/10Minimal
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Statusfor_sale
Listed date2026-08-03
Removed date—
MLSMiamiMLS #A12062350
Coordinates25.76925, -80.20900
Address421 SW 9th Ave
CityMiami
StateFL
Zip33130
Listing ID5511121820
Sourceus-real-estate-listings, cached 2026-08-29
ZIP market snapshot (33130)
Typical home value (ZHVI)$515,336
Typical rent (ZORI)$3,262/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 | $1,450,000 |
| Down payment (20.0%) | $290,000 |
| Loan amount | $1,160,000 |
| Closing costs (5.0%) | $72,500 |
| Total cash to close | $362,500 |
| Income | |
| Rent (estimate) | $8,000$96,000 |
| Vacancy loss (8.0%) | |
| Effective gross income | $7,360$88,320 |
| Operating expenses | |
| Property tax (placeholder 1.9% of price) | $2,296$27,550 |
| Insurance (est. scaled by flood & wind risk) | $1,885$22,620 |
| HOA dues | $0$0 |
| Management (0.0% of EGI) | $0$0 |
| Maintenance (5.0% of GSR) | $400$4,800 |
| Total operating expenses | $4,581$54,970 |
| 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) | $400$4,800 |
| 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 |
|---|---|---|---|---|---|---|---|
| multi_family | 4 | 2 | 1,686 | $3,400 | 2026-08-24 | — |
Widened to any bedroom count in ZIP. 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 |
|---|---|---|---|---|---|---|
| 315 SW 10th Ave | multi_family | — | — | 1,938 | $880,000 | 2026-09-01 |
| 311 SW 10th Ave | multi_family | — | — | 1,945 | $440,000 | 2026-09-01 |
| 443 SW 4th Ave | multi_family | — | — | 3,240 | $1,310,000 | 2026-08-10 |
| 990 SW 9th St | multi_family | — | — | 2,258 | $800,000 | 2026-07-22 |
| 516 SW 7th Ct | multi_family | — | — | 3,400 | $1,051,000 | 2026-06-29 |
| 1050 SW 10th St | multi_family | — | — | 2,408 | $625,000 | 2026-06-18 |
| 829 SW 3rd St | multi_family | 8 | 2 | 3,276 | $675,000 | 2026-04-22 |
| 959 SW 6th St | multi_family | — | — | 3,094 | $1,150,000 | 2026-03-19 |
| 945 SW 4th St | multi_family | 12 | 6 | 4,284 | $1,450,000 | 2026-03-02 |
| 152 SW 9th St | multi_family | 14 | 8 | 5,491 | $113,600 | 2025-12-31 |
| 763 SW 5th St Apt 202 | multi_family | 17 | 9 | 10,568 | $2,800,000 | 2025-12-26 |
| 1068 SW 2nd St | multi_family | — | — | 1,250 | $675,000 | 2025-12-18 |
| 527 SW 7th Ct | multi_family | — | — | 5,249 | $1,555,000 | 2025-11-25 |
| 720 SW 5th St | multi_family | — | — | 5,249 | $1,550,000 | 2025-11-25 |
| 461 SW 9th St | multi_family | 5 | 5 | 2,945 | $1,500,000 | 2025-11-13 |
| 700 SW 4th St | multi_family | 12 | 6 | 4,550 | $1,400,000 | 2025-10-20 |
| 519 SW 5th Ave | multi_family | 12 | 12 | 8,049 | $2,850,000 | 2025-10-16 |
| 434 SW 6th St | multi_family | 12 | 6 | 5,052 | $2,180,000 | 2025-09-24 |
| 1150 SW 9th St | multi_family | 4 | 2 | 1,922 | $680,000 | 2025-09-09 |
| 900 SW 5th Ave | multi_family | — | — | 2,446 | $1,255,000 | 2025-09-08 |
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 |
|---|---|---|---|---|---|---|
| 801 S Miami Ave Ph 5801 | condos | 4 | 6 | 3,882 | $8,800,000 | — |
| 88 SW 7th St Apt 4011 | condos | 4 | 5 | 2,991 | $3,250,000 | — |
| 1420 S Miami Ave | condos | 4 | 5 | 3,433 | $7,810,000 | — |
| 88 SW 7th St Apt 4001 | condos | 4 | 4 | 2,997 | $5,500,000 | — |
| 88 SW 7th St Apt 4301 | condos | 4 | 6 | 4,021 | $7,100,000 | — |
| 88 SW 7th St Apt 3801 | condos | 4 | 5 | 2,997 | $3,250,000 | — |
| 315 SW 10th Ave | multi_family | 4 | 2 | 1,938 | $499,000 | — |
| 88 SW 7th St Apt 3711 | condos | 4 | 4 | 2,991 | $2,950,000 | — |
10-year hold projection
IRR-1.2%
Equity multiple0.81x
Total return (10yr)$119,688
| Year | Property value | NOI | Cash flow | Loan balance | Equity |
|---|---|---|---|---|---|
| 1 | $1,493,500 | $33,350 | -$60,904 | $1,147,423 | $346,077 |
| 2 | $1,538,305 | $34,625 | -$59,748 | $1,133,982 | $404,323 |
| 3 | $1,584,454 | $35,946 | -$58,551 | $1,119,619 | $464,835 |
| 4 | $1,631,988 | $37,313 | -$57,310 | $1,104,269 | $527,719 |
| 5 | $1,680,947 | $38,728 | -$56,024 | $1,087,865 | $593,083 |
| 6 | $1,731,376 | $40,194 | -$54,691 | $1,070,334 | $661,042 |
| 7 | $1,783,317 | $41,710 | -$53,310 | $1,051,600 | $731,717 |
| 8 | $1,836,817 | $43,280 | -$51,879 | $1,031,579 | $805,238 |
| 9 | $1,891,921 | $44,906 | -$50,396 | $1,010,183 | $881,738 |
| 10 | $1,948,679 | $46,588 | -$48,861 | $987,318 | $961,360 |
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.