21130 SW 87th Ave Apt 304

Cutler Bay, FL 33189 · condos · For Sale · 33 days on market
Asking price$315,000
2 beds 2 baths 991 sqft
Suggested offer$216,158$98,842 above the est. market value of $216,158.
View on Realtor.com →
Listed by Brooke Padron · Luxe Properties
Typecondos
Built2005
Price / sqft$318
Est. value (own analysis)$216,158
Rent estimate (own analysis)$2,150/mo
HOA$419/mo
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Neighborhood

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Statusfor_sale
Listed date2026-07-31
Removed date
MLSMiamiMLS #A12062789
Coordinates25.57085, -80.33264
Address21130 SW 87th Ave Apt 304
CityCutler Bay
StateFL
Zip33189
Listing ID5266309615
Sourceus-real-estate-listings, cached 2026-08-28

ZIP market snapshot (33189)

Typical home value (ZHVI)$554,285
Typical rent (ZORI)$2,715/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$315,000
Down payment (20.0%)$63,000
Loan amount$252,000
Closing costs (5.0%)$15,750
Total cash to close$78,750
Rent (comp-derived)$2,150$25,800
Vacancy loss (8.0%)

Vacancy Loss

Gross Scheduled Rent × Vacancy Rate

Gross scheduled rent (annual) comp$25,800
Vacancy rate (assumption) assumption8.0%

$25,800 × 8.0% = $2,064

Effective gross income$1,978$23,736
Property tax (placeholder 1.9% of price)$499$5,985
Insurance (placeholder 0.8% of price)$210$2,520
HOA dues$419$5,028
Management (0.0% of EGI)$0$0
Maintenance (5.0% of GSR)$108$1,290
Total operating expenses$1,235$14,823
Net operating income (NOI)

Net Operating Income (NOI)

Effective Gross Income − Total Operating Expenses

Effective gross income derived$23,736
Total operating expenses derived$14,823

$23,736 − $14,823 = $8,913

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$252,000
Interest rate (avg 30yr rate) comp6.7%
Term (assumption) assumption30 years

$252,000 amortized at 6.7% over 30 years = $1,619/mo

CapEx reserve (5.0% of GSR)$108$1,290
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$8,913
Annual debt service derived$19,433
Annual CapEx reserve assumption$1,290
Annual PMI assumption$0

($8,913 − $19,433 − $1,290 − $0) ÷ 12 = -$984

Cap rate

Cap Rate

NOI ÷ Purchase Price

NOI derived$8,913
Purchase price data$315,000

$8,913 ÷ $315,000 = 2.8%

Cash-on-cash

Cash-on-Cash Return

Annual Cash Flow ÷ Total Cash Invested

Annual cash flow derived-$11,810
Total cash to close derived$78,750

-$11,810 ÷ $78,750 = -15.0%

DSCR

Debt Service Coverage Ratio (DSCR)

NOI ÷ Annual Debt Service

NOI derived$8,913
Annual debt service derived$19,433

$8,913 ÷ $19,433 = 0.46

Rent-to-price (1% rule)

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

(Gross Scheduled Rent ÷ 12) ÷ Purchase Price

Gross scheduled rent (annual) comp$25,800
Purchase price data$315,000

($25,800 ÷ 12) ÷ $315,000 = 0.7%

Gross rent multiplier

Gross Rent Multiplier (GRM)

Purchase Price ÷ Gross Scheduled Rent

Purchase price data$315,000
Gross scheduled rent (annual) comp$25,800

$315,000 ÷ $25,800 = 12.2

Operating expense ratio

Operating Expense Ratio

Total Operating Expenses ÷ Effective Gross Income

Total operating expenses derived$14,823
Effective gross income derived$23,736

$14,823 ÷ $23,736 = 62.4%

Break-even occupancy

Break-Even Occupancy

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

Total operating expenses derived$14,823
Annual debt service derived$19,433
Annual PMI assumption$0
Gross scheduled rent (annual) comp$25,800

($14,823 + $19,433 + $0) ÷ $25,800 = 132.8%

Comparables

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

AddressTypeBedsBathsSqftAsking rentListedDays on market
apartment22827$1,7592026-07-07
condos221,113$2,3002026-07-13
apartment22980$2,1002026-06-17
condos221,113$2,1502026-07-21
condos22980$1,8002026-07-02
apartment221,061$2,2002026-08-21
condos221,113$2,0002026-03-11
condos22980$2,3002026-08-26
condos221,082$2,4002026-08-24
condos22980$2,0002026-07-20
condos22980$1,8502026-06-02
condos221,060$2,2002026-06-26
condos221,113$2,1502026-08-14
condos221,113$2,2502026-06-11
condos221,192$2,3502026-06-28
condos22980$2,2002025-09-04
condos221,130$1,9502025-12-18
apartment22980$1,8502026-03-17
condos221,113$2,300

8000 SW 210th St

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage827
Listed2026-07-07
Days on market

Asking rent: $1,759

View on Zillow →

8680 SW 212th St Apt 105

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-07-13
Days on market

Asking rent: $2,300

View on Zillow →

8200 SW 210th St Apt 201

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-06-17
Days on market

Asking rent: $2,100

View on Zillow →

8670 SW 212th St Apt 306

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-07-21
Days on market

Asking rent: $2,150

View on Zillow →

8260 SW 210th St Apt 319

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-07-02
Days on market

Asking rent: $1,800

View on Zillow →

20950 SW 87th Ave Apt 305

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,061
Listed2026-08-21
Days on market

Asking rent: $2,200

View on Zillow →

8560 SW 212th St Apt 306

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-03-11
Days on market

Asking rent: $2,000

View on Zillow →

8240 SW 210th St Apt 319

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-08-26
Days on market

Asking rent: $2,300

View on Zillow →

21500 SW 87th Ct Unit 21500

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,082
Listed2026-08-24
Days on market

Asking rent: $2,400

View on Zillow →

8260 SW 210th St Apt 309

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-07-20
Days on market

Asking rent: $2,000

View on Zillow →

8260 SW 210th St Apt 102

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-06-02
Days on market

Asking rent: $1,850

View on Zillow →

21100 SW 87th Ave Apt 304

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,060
Listed2026-06-26
Days on market

Asking rent: $2,200

View on Zillow →

8580 SW 212th St Apt 307

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-08-14
Days on market

Asking rent: $2,150

View on Zillow →

8540 SW 212th St Apt 202

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-06-11
Days on market

Asking rent: $2,250

View on Zillow →

21121 SW 85th Ave Apt 111

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,192
Listed2026-06-28
Days on market

Asking rent: $2,350

View on Zillow →

8260 SW 210th St Apt 201

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2025-09-04
Days on market

Asking rent: $2,200

View on Zillow →

8540 SW 212th St Apt 101

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,130
Listed2025-12-18
Days on market

Asking rent: $1,950

View on Zillow →

8260 SW 210th St Apt 301

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-03-17
Days on market

Asking rent: $1,850

View on Zillow →

8680 SW 212th St

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed
Days on market

Asking rent: $2,300

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
8640 SW 212th St Apt 303condos221,113$235,0002026-08-11
21121 SW 85th Ave Apt 216condos221,192$260,0002026-08-03
21130 SW 87th Ave Apt 203condos22991$240,0002026-07-08
8590 SW 212th St Apt 303condos221,113$248,0002026-06-22
8540 SW 212th St Apt 303condos221,113$220,0002026-05-20
8560 SW 212th St Apt 305condos221,113$222,0002026-05-15
8660 SW 212th St Apt 101condos221,123$260,0002026-02-13
21133 SW 85th Ave Apt 108condos221,160$265,0002025-10-06
8620 SW 212th St Apt 301condos221,113$240,0002025-09-30

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
8670 SW 212th St Apt 105condos221,113$265,000
8500 SW 212th St Apt 309condos221,113$240,000
8240 SW 210th St Apt 319condos22980$240,000
20930 SW 83rd Avetownhomes231,381$377,900
8260 SW 210th St Apt 210condos22980$230,000
21121 SW 85th Ave Apt 311condos221,192$265,000
8670 SW 212th St Apt 108condos221,113$265,000
8670 SW 212th St Apt 307condos221,113$255,000

10-year hold projection

IRR0.2%
Equity multiple1.02x
Total return (10yr)$43,104
YearProperty valueNOICash flowLoan balanceEquity
1$324,450$8,913-$11,810$249,268$75,182
2$334,184$9,255-$11,501$246,348$87,836
3$344,209$9,608-$11,180$243,227$100,982
4$354,535$9,974-$10,848$239,893$114,642
5$365,171$10,353-$10,504$236,329$128,842
6$376,126$10,746-$10,147$232,521$143,606
7$387,410$11,152-$9,777$228,451$158,959
8$399,033$11,572-$9,394$224,102$174,931
9$411,004$12,008-$8,997$219,453$191,550
10$423,334$12,458-$8,586$214,486$208,847
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.