7430 SW 66th St

Miami, FL 33143 · single_family · For Sale · 240 days on market
Asking price$4,599,000
6 beds 8 baths 5,609 sqft
View on Realtor.com →
Listed by Randi Connell · Compass Florida, LLC
Typesingle_family
Built1996
Price / sqft$820
Est. value (own analysis)$6,433,803
Rent estimate (own analysis)$30,000/mo
HOANone
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Neighborhood

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Statusfor_sale
Listed date2026-01-05
Removed date
MLSMiamiMLS #A11928571
Coordinates25.70816, -80.31560
Address7430 SW 66th St
CityMiami
StateFL
Zip33143
Listing ID5797387938
Sourceus-real-estate-listings, cached 2026-08-31

ZIP market snapshot (33143)

Typical home value (ZHVI)$957,553
Typical rent (ZORI)$2,761/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)

Purchase price$4,599,000
Down payment (20.0%)$919,800
Loan amount$3,679,200
Closing costs (5.0%)$229,950
Total cash to close$1,149,750
Rent (comp-derived)$30,000$360,000
Vacancy loss (8.0%)

Vacancy Loss

Gross Scheduled Rent × Vacancy Rate

Gross scheduled rent (annual) comp$360,000
Vacancy rate (assumption) assumption8.0%

$360,000 × 8.0% = $28,800

Effective gross income$27,600$331,200
Property tax (placeholder 1.9% of price)$7,282$87,381
Insurance (placeholder 0.8% of price)$3,066$36,792
HOA dues$0$0
Management (0.0% of EGI)$0$0
Maintenance (5.0% of GSR)$1,500$18,000
Total operating expenses$11,848$142,173
Net operating income (NOI)

Net Operating Income (NOI)

Effective Gross Income − Total Operating Expenses

Effective gross income derived$331,200
Total operating expenses derived$142,173

$331,200 − $142,173 = $189,027

Debt service (6.66%, avg 30yr rate as of 2026-08-27, 30yr amortizing)

Monthly Principal & Interest

Standard amortization on the loan amount, at the effective rate and term

Loan amount derived$3,679,200
Interest rate (avg 30yr rate) comp6.7%
Term (assumption) assumption30 years

$3,679,200 amortized at 6.7% over 30 years = $23,644/mo

CapEx reserve (5.0% of GSR)$1,500$18,000
Mortgage insurance (PMI) (0.0% of loan, not required — down payment ≥ 20%)$0$0
Cash flow

Monthly Cash Flow

(NOI − Annual Debt Service − Annual CapEx Reserve − Annual PMI) ÷ 12

NOI derived$189,027
Annual debt service derived$283,722
Annual CapEx reserve assumption$18,000
Annual PMI assumption$0

($189,027 − $283,722 − $18,000 − $0) ÷ 12 = -$9,391

Cap rate

Cap Rate

NOI ÷ Purchase Price

NOI derived$189,027
Purchase price data$4,599,000

$189,027 ÷ $4,599,000 = 4.1%

Cash-on-cash

Cash-on-Cash Return

Annual Cash Flow ÷ Total Cash Invested

Annual cash flow derived-$112,695
Total cash to close derived$1,149,750

-$112,695 ÷ $1,149,750 = -9.8%

DSCR

Debt Service Coverage Ratio (DSCR)

NOI ÷ Annual Debt Service

NOI derived$189,027
Annual debt service derived$283,722

$189,027 ÷ $283,722 = 0.67

Rent-to-price (1% rule)

Rent-to-Price (the "1% rule")

(Gross Scheduled Rent ÷ 12) ÷ Purchase Price

Gross scheduled rent (annual) comp$360,000
Purchase price data$4,599,000

($360,000 ÷ 12) ÷ $4,599,000 = 0.7%

Gross rent multiplier

Gross Rent Multiplier (GRM)

Purchase Price ÷ Gross Scheduled Rent

Purchase price data$4,599,000
Gross scheduled rent (annual) comp$360,000

$4,599,000 ÷ $360,000 = 12.8

Operating expense ratio

Operating Expense Ratio

Total Operating Expenses ÷ Effective Gross Income

Total operating expenses derived$142,173
Effective gross income derived$331,200

$142,173 ÷ $331,200 = 42.9%

Break-even occupancy

Break-Even Occupancy

(Total OpEx + Annual Debt Service + Annual PMI) ÷ Gross Scheduled Rent

Total operating expenses derived$142,173
Annual debt service derived$283,722
Annual PMI assumption$0
Gross scheduled rent (annual) comp$360,000

($142,173 + $283,722 + $0) ÷ $360,000 = 118.3%

Comparables

Same ZIP. Real active rental listings, used to derive the rent estimate above.

AddressTypeBedsBathsSqftAsking rentListedDays on market
single_family665,322$28,0002026-06-17
single_family689,099$85,0002026-05-04
single_family655,396$30,0002026-02-13

6220 SW 86th St

Miami, 33143 · rent comp

Bedrooms / bathrooms6 bd / 6 ba
Square footage5,322
Listed2026-06-17
Days on market

Asking rent: $28,000

View on Zillow →

26 Tahiti Beach Island Rd

Coral Gables, 33143 · rent comp

Bedrooms / bathrooms6 bd / 8 ba
Square footage9,099
Listed2026-05-04
Days on market

Asking rent: $85,000

View on Zillow →

129 Gavilan Ave

Coral Gables, 33143 · rent comp

Bedrooms / bathrooms6 bd / 5 ba
Square footage5,396
Listed2026-02-13
Days on market

Asking rent: $30,000

View on Zillow →

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.

AddressTypeBedsBathsLiving sqftSale priceSale date
7426 SW 49th Plsingle_family675,848$9,250,0002026-08-05
6641 SW 85th Stsingle_family685,266$5,900,0002026-07-30
7900 SW 57th Ctsingle_family674,866$5,795,0002026-07-02
277 Veleros Ctsingle_family676,700$10,500,0002026-06-30
7900 SW 54th Avesingle_family675,068$4,950,0002026-06-25
4790 SW 78th Stsingle_family677,787$11,700,0002026-06-25
6250 SW 78th Stsingle_family685,494$4,275,0002026-06-24
7030 SW 72nd Ctsingle_family685,112$3,800,0002026-06-16
620 Tibidabo Avesingle_family663,924$5,159,5002026-06-12
4871 SW 74th Tersingle_family665,521$8,500,0002026-06-01
350 Costa Brava Ctsingle_family655,938$6,000,0002026-05-28
6450 SW 82nd Stsingle_family685,131$5,150,0002026-05-22
7605 SW 71st Avesingle_family685,710$5,075,0002026-05-19
7610 SW 48th Ctsingle_family686,265$10,148,0002026-05-09
7965 SW 53rd Avesingle_family664,093$5,600,0002026-04-24
501 Casuarina Concoursesingle_family669,682$55,000,0002026-04-22
535 Casuarina Concoursesingle_family666,680$55,000,0002026-04-22
5001 Pine Drsingle_family684,395$13,500,0002026-04-08
5847 SW 81st Stsingle_family674,973$6,200,0002026-04-07
7001 SW 71st Avesingle_family685,473$4,700,0002026-04-06
12 Tahiti Beach Island Rdsingle_family6910,441$32,000,0002026-03-31
6495 SW 85th Stsingle_family664,313$4,100,0002026-03-20
6003 SW 80th Stsingle_family666,847$6,700,0002026-03-16
7975 SW 52nd Ctsingle_family675,888$4,500,0002026-03-12
231 Costanera Rdsingle_family665,442$10,250,0002026-01-30
6021 SW 86th Stsingle_family685,112$6,000,0002026-01-14
6900 SW 72nd Ctsingle_family686,698$7,400,0002025-12-22
8264 SW 84th Tersingle_family653,497$1,650,0002025-12-19
506 Sunset Drsingle_family667,354$7,500,0002025-12-08
6401 SW 84th Stsingle_family686,028$5,385,0002025-12-05

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.

AddressTypeBedsBathsSqftAsking priceDays on market
7740 SW 52nd Avesingle_family686,936$8,750,000
5731 SW 62nd Tersingle_family661,938$1,250,000
7235 SW 54th Avesingle_family67$7,690,000
7895 SW 52nd Ctsingle_family686,377$9,625,000
5002 SW 86th Stsingle_family685,908$8,250,000
8755 SW 54th Avesingle_family6712,152$19,950,000
7700 SW 50th Ctsingle_family675,804$7,490,000
5100 SW 86th Stsingle_family656,580$6,999,000

10-year hold projection

IRR3.8%
Equity multiple1.60x
Total return (10yr)$1,294,506
YearProperty valueNOICash flowLoan balanceEquity
1$4,736,970$189,027-$112,695$3,639,309$1,097,661
2$4,879,079$195,409-$106,764$3,596,679$1,282,400
3$5,025,451$202,000-$100,634$3,551,122$1,474,330
4$5,176,215$208,806-$94,300$3,502,436$1,673,779
5$5,331,501$215,836-$87,755$3,450,406$1,881,095
6$5,491,447$223,096-$80,992$3,394,804$2,096,642
7$5,656,190$230,593-$74,004$3,335,384$2,320,806
8$5,825,876$238,335-$66,784$3,271,883$2,553,993
9$6,000,652$246,330-$59,323$3,204,021$2,796,631
10$6,180,671$254,586-$51,616$3,131,500$3,049,172
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.
All figures are estimates for evaluation purposes only, not investment, tax, legal, or insurance advice. Property tax is estimated from a real matched tax bill or millage rate when available, a placeholder % of price otherwise; insurance is scaled by flood and wind risk where those are known and a flat percentage otherwise — never a real quote. Verify all of them, along with association restrictions and permit status, before committing capital. Rent estimates come from real comps or Zillow’s ZIP index, not appraisals.