621 NE 57th St
Miami, FL 33137 · single_family · For Sale · 19 days on market
Asking price$2,000,000
4 beds 4 baths 2,633 sqft
Listed by Derek Varona · Sea Grove Realty
Typesingle_family
Built1936
Price / sqft$760
Est. value (own analysis)$2,641,768
Rent estimate (own analysis)$10,893/mo
HOA$3/mo
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Statusfor_sale
Listed date2026-08-14
Removed date—
MLSMiamiMLS #A12066917
Coordinates25.82878, -80.18228
Address621 NE 57th St
CityMiami
StateFL
Zip33137
Listing ID5781800839
Sourceus-real-estate-listings, cached 2026-08-30
ZIP market snapshot (33137)
Typical home value (ZHVI)$682,165
Typical rent (ZORI)$3,560/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 | $2,000,000 |
| Down payment (20.0%) | $400,000 |
| Loan amount | $1,600,000 |
| Closing costs (5.0%) | $100,000 |
| Total cash to close | $500,000 |
| Income | |
| Rent (comp-derived) | $10,893$130,710 |
| Vacancy loss (8.0%) | |
| Effective gross income | $10,021$120,253 |
| Operating expenses | |
| Property tax (placeholder 1.9% of price) | $3,167$38,000 |
| Insurance (placeholder 0.8% of price) | $1,333$16,000 |
| HOA dues | $3$36 |
| Management (0.0% of EGI) | $0$0 |
| Maintenance (5.0% of GSR) | $545$6,536 |
| Total operating expenses | $5,048$60,572 |
| 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) | $545$6,536 |
| 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 | 4 | 5 | 3,360 | $32,000 | 2026-07-27 | — | |
| single_family | 4 | 4 | 3,086 | $16,500 | 2026-06-21 | — | |
| single_family | 4 | 3 | 2,171 | $11,000 | 2026-06-11 | — | |
| single_family | 4 | 4 | 2,192 | $11,500 | 2026-08-27 | — | |
| single_family | 4 | 3 | 2,438 | $10,785 | 2025-06-19 | — | |
| single_family | 4 | 3 | 2,832 | $7,900 | — | — | |
| single_family | 4 | 4 | 1,978 | $9,900 | — | — | |
| single_family | 4 | 3 | 2,249 | $3,500 | 2026-08-28 | — |
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 |
|---|---|---|---|---|---|---|
| 111 NE 50th St | single_family | 4 | 2 | 1,704 | $1,100,000 | 2026-08-14 |
| 4160 Bay Point Rd | single_family | 4 | 4 | 3,114 | $3,650,000 | 2026-07-31 |
| 560 Sabal Palm Rd | single_family | 4 | 3 | 2,837 | $4,800,000 | 2026-07-28 |
| 530 Sabal Palm Rd | single_family | 4 | 4 | 3,543 | $4,750,000 | 2026-07-08 |
| 761 Buttonwood Ln | single_family | 4 | 4 | 7,237 | $17,150,000 | 2026-05-18 |
| 5600 N Bayshore Dr | single_family | 4 | 4 | 3,421 | $3,600,000 | 2026-05-11 |
| 4403 Palm Ln | single_family | 4 | 5 | 4,206 | $10,250,000 | 2026-04-15 |
| 200 NE 48th Ter | single_family | 4 | 2 | 1,596 | $1,200,000 | 2026-04-09 |
| 492 NE 55th St | single_family | 4 | 3 | 1,932 | $1,825,000 | 2026-03-31 |
| 671 NE 57th St | single_family | 4 | 4 | 3,077 | $2,875,000 | 2026-03-18 |
| 670 NE 58th St | single_family | 4 | 3 | 2,190 | $2,090,000 | 2026-03-17 |
| 628 NE 59th St | single_family | 4 | 4 | 2,672 | $3,250,000 | 2026-02-19 |
| 69 NE 50th Ter | single_family | 4 | 4 | 2,865 | $825,000 | 2026-01-12 |
| 501 NE 51st St | single_family | 4 | 4 | 2,696 | $2,850,000 | 2025-12-16 |
| 545 NE 55th Ter | single_family | 4 | 6 | 3,741 | $3,550,000 | 2025-12-11 |
| 60 NE 50th Ter | single_family | 4 | 3 | 2,011 | $1,200,000 | 2025-11-05 |
| 5725 N Bayshore Dr | single_family | 4 | 5 | 3,848 | $16,000,000 | 2025-09-08 |
| 177 NE 44th St | single_family | 4 | 2 | 2,080 | $1,512,500 | 2025-09-04 |
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 |
|---|---|---|---|---|---|---|
| 121 NE 34th St Ph 3217 | condos | 4 | 5 | 2,866 | $2,499,000 | — |
| 725 NE 24th St Unit 301 | condos | 4 | 6 | — | $2,498,900 | — |
| 480 NE 31st St Unit 5104 | condos | 4 | 5 | 2,792 | $3,295,000 | — |
| 456 NE 29th ST | condo | 4 | 4 | 3,063 | $3,554,000 | — |
| 480 NE 31st St Unit 5303 | condos | 4 | 5 | 2,418 | $2,999,990 | — |
| 700 NE 26th Ter Unit 4403 | condos | 4 | 6 | 3,788 | $4,988,888 | — |
| 725 NE 24th Street Miami, FL 33137 | condo | 4 | 5 | 2,880 | $2,836,900 | — |
| 725 NE 24th Street Miami, FL 33137 | condo | 4 | 5 | 2,978 | $2,742,900 | — |
10-year hold projection
IRR0.7%
Equity multiple1.12x
Total return (10yr)$318,914
| Year | Property value | NOI | Cash flow | Loan balance | Equity |
|---|---|---|---|---|---|
| 1 | $2,060,000 | $59,682 | -$70,238 | $1,582,652 | $477,348 |
| 2 | $2,121,800 | $61,775 | -$68,308 | $1,564,114 | $557,686 |
| 3 | $2,185,454 | $63,939 | -$66,312 | $1,544,302 | $641,152 |
| 4 | $2,251,018 | $66,175 | -$64,247 | $1,523,129 | $727,888 |
| 5 | $2,318,548 | $68,486 | -$62,112 | $1,500,503 | $818,045 |
| 6 | $2,388,105 | $70,875 | -$59,903 | $1,476,323 | $911,782 |
| 7 | $2,459,748 | $73,344 | -$57,619 | $1,450,482 | $1,009,265 |
| 8 | $2,533,540 | $75,896 | -$55,257 | $1,422,867 | $1,110,673 |
| 9 | $2,609,546 | $78,533 | -$52,815 | $1,393,356 | $1,216,191 |
| 10 | $2,687,833 | $81,258 | -$50,289 | $1,361,818 | $1,326,015 |
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.