829 4th St Phs 4 & 5

Miami Beach, FL 33139 · condos · For Sale · 152 days on market
Asking price$9,350,000
4 beds 5 baths 3,860 sqft
View on Realtor.com →
Listed by Sonia Toth · Brown Harris Stevens Miami
Typecondos
Built2027
Price / sqft$2422
Est. value (own analysis)$12,987,317
Rent estimate (own analysis)$59,000/mo
HOA$4,786/mo
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Neighborhood

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Statusfor_sale
Listed date2026-04-03
Removed date
MLSMiamiMLS #A11994541
Coordinates25.77380, -80.13672
Address829 4th St Phs 4 & 5
CityMiami Beach
StateFL
Zip33139
Listing ID9218449318
Sourceus-real-estate-listings, cached 2026-08-30

ZIP market snapshot (33139)

Typical home value (ZHVI)$471,015
Typical rent (ZORI)$2,928/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$9,350,000
Down payment (20.0%)$1,870,000
Loan amount$7,480,000
Closing costs (5.0%)$467,500
Total cash to close$2,337,500
Rent (comp-derived)$59,000$708,000
Vacancy loss (8.0%)

Vacancy Loss

Gross Scheduled Rent × Vacancy Rate

Gross scheduled rent (annual) comp$708,000
Vacancy rate (assumption) assumption8.0%

$708,000 × 8.0% = $56,640

Effective gross income$54,280$651,360
Property tax (placeholder 1.9% of price)$14,804$177,650
Insurance (placeholder 0.8% of price)$6,233$74,800
HOA dues$4,786$57,432
Management (0.0% of EGI)$0$0
Maintenance (5.0% of GSR)$2,950$35,400
Total operating expenses$28,774$345,282
Net operating income (NOI)

Net Operating Income (NOI)

Effective Gross Income − Total Operating Expenses

Effective gross income derived$651,360
Total operating expenses derived$345,282

$651,360 − $345,282 = $306,078

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$7,480,000
Interest rate (avg 30yr rate) comp6.7%
Term (assumption) assumption30 years

$7,480,000 amortized at 6.7% over 30 years = $48,068/mo

CapEx reserve (5.0% of GSR)$2,950$35,400
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$306,078
Annual debt service derived$576,822
Annual CapEx reserve assumption$35,400
Annual PMI assumption$0

($306,078 − $576,822 − $35,400 − $0) ÷ 12 = -$25,512

Cap rate

Cap Rate

NOI ÷ Purchase Price

NOI derived$306,078
Purchase price data$9,350,000

$306,078 ÷ $9,350,000 = 3.3%

Cash-on-cash

Cash-on-Cash Return

Annual Cash Flow ÷ Total Cash Invested

Annual cash flow derived-$306,144
Total cash to close derived$2,337,500

-$306,144 ÷ $2,337,500 = -13.1%

DSCR

Debt Service Coverage Ratio (DSCR)

NOI ÷ Annual Debt Service

NOI derived$306,078
Annual debt service derived$576,822

$306,078 ÷ $576,822 = 0.53

Rent-to-price (1% rule)

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

(Gross Scheduled Rent ÷ 12) ÷ Purchase Price

Gross scheduled rent (annual) comp$708,000
Purchase price data$9,350,000

($708,000 ÷ 12) ÷ $9,350,000 = 0.6%

Gross rent multiplier

Gross Rent Multiplier (GRM)

Purchase Price ÷ Gross Scheduled Rent

Purchase price data$9,350,000
Gross scheduled rent (annual) comp$708,000

$9,350,000 ÷ $708,000 = 13.2

Operating expense ratio

Operating Expense Ratio

Total Operating Expenses ÷ Effective Gross Income

Total operating expenses derived$345,282
Effective gross income derived$651,360

$345,282 ÷ $651,360 = 53.0%

Break-even occupancy

Break-Even Occupancy

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

Total operating expenses derived$345,282
Annual debt service derived$576,822
Annual PMI assumption$0
Gross scheduled rent (annual) comp$708,000

($345,282 + $576,822 + $0) ÷ $708,000 = 130.2%

Comparables

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

AddressTypeBedsBathsSqftAsking rentListedDays on market
condos452,954$35,0002026-08-07
condos443,837$110,0002026-05-12
condos453,535$60,0002026-01-22
condos453,337$58,0002026-08-08

100 S Pointe Dr Apt 3207

Miami Beach, 33139 · rent comp

Bedrooms / bathrooms4 bd / 5 ba
Square footage2,954
Listed2026-08-07
Days on market

Asking rent: $35,000

View on Zillow →

Miami Beach, 33139 · rent comp

Bedrooms / bathrooms4 bd / 4 ba
Square footage3,837
Listed2026-05-12
Days on market

Asking rent: $110,000

View on Zillow →

500 Alton Rd Unit 2101/02

Miami Beach, 33139 · rent comp

Bedrooms / bathrooms4 bd / 5 ba
Square footage3,535
Listed2026-01-22
Days on market

Asking rent: $60,000

View on Zillow →

1 Collins Ave Unit 406

Miami Beach, 33139 · rent comp

Bedrooms / bathrooms4 bd / 5 ba
Square footage3,337
Listed2026-08-08
Days on market

Asking rent: $58,000

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
11 Island Ave Apt 1201condos442,760$3,845,0002026-06-29
50 S Pointe Dr Unit TWN7condos452,779$9,000,0002026-06-25
125 Ocean Dr Unit U0503condos453,463$12,400,0002026-06-22
800 S Pointe Dr Apt 801condos454,154$14,500,0002026-06-05

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
1281 S Venetian Waysingle_family442,912$3,975,000
1092 N Venetian Drsingle_family453,650$6,575,000
56 S Hibiscus Drsingle_family453,092$14,900,000
300 S Pointe Dr Ph 5condos475,680$24,999,000
455 E Dilido Drsingle_family453,138$13,800,000
1405 Lenox Avesingle_family422,112$2,200,000
1508 Meridian Avemulti_family441,776$1,200,000
125 Ocean Dr Unit U0303condos454,365$19,642,000

10-year hold projection

IRR1.4%
Equity multiple1.23x
Total return (10yr)$1,763,088
YearProperty valueNOICash flowLoan balanceEquity
1$9,630,500$306,078-$306,144$7,398,900$2,231,600
2$9,919,415$316,987-$296,120$7,312,231$2,607,184
3$10,216,997$328,266-$285,748$7,219,611$2,997,387
4$10,523,507$339,928-$275,016$7,120,630$3,402,878
5$10,839,213$351,985-$263,912$7,014,851$3,824,361
6$11,164,389$364,450-$252,424$6,901,809$4,262,579
7$11,499,321$377,337-$240,538$6,781,005$4,718,316
8$11,844,300$390,659-$228,243$6,651,904$5,192,396
9$12,199,629$404,431-$215,523$6,513,938$5,685,691
10$12,565,618$418,667-$202,364$6,366,498$6,199,120
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.