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300 S Biscayne River Dr

Miami, FL 33169 · single_family · For Sale · 9 days on market
Asking price$849,990
4 beds 3 baths 2,225 sqft
Suggested offer$763,304$86,686 above the est. market value of $763,304.
View on Realtor.com →
Listed by JEAN CALIX · Max Calix Associates Rlty Inc.
Typesingle_family
Built1953
Price / sqft$382
Est. value (own analysis)$763,304
Rent estimate (own analysis)$4,000/mo
HOANone
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Neighborhood

Show every detail
Statusfor_sale
Listed date2026-08-24
Removed date—
MLSMiamiMLS #A12076723
Coordinates25.91504, -80.20589
Address300 S Biscayne River Dr
CityMiami
StateFL
Zip33169
Listing ID5341051951
Sourceus-real-estate-listings, cached 2026-09-01

ZIP market snapshot (33169)

Typical home value (ZHVI)$471,445
Typical rent (ZORI)$2,193/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$849,990
Down payment (20.0%)$169,998
Loan amount$679,992
Closing costs (5.0%)$42,500
Total cash to close$212,498
Income
Rent (comp-derived)$4,000$48,000
Vacancy loss (8.0%)

Vacancy Loss

Gross Scheduled Rent × Vacancy Rate

Gross scheduled rent (annual) comp$48,000
Vacancy rate (assumption) assumption8.0%

$48,000 × 8.0% = $3,840

Effective gross income$3,680$44,160
Operating expenses
Property tax (placeholder 1.9% of price)$1,346$16,150
Insurance (placeholder 0.8% of price)$567$6,800
HOA dues$0$0
Management (0.0% of EGI)$0$0
Maintenance (5.0% of GSR)$200$2,400
Total operating expenses$2,112$25,350
Net operating income (NOI)

Net Operating Income (NOI)

Effective Gross Income − Total Operating Expenses

Effective gross income derived$44,160
Total operating expenses derived$25,350

$44,160 − $25,350 = $18,810

Debt service & reserves
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$679,992
Interest rate (avg 30yr rate) comp6.7%
Term (assumption) assumption30 years

$679,992 amortized at 6.7% over 30 years = $4,370/mo

CapEx reserve (5.0% of GSR)$200$2,400
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$18,810
Annual debt service derived$52,438
Annual CapEx reserve assumption$2,400
Annual PMI assumption$0

($18,810 − $52,438 − $2,400 − $0) ÷ 12 = -$3,002

Cap rate

Cap Rate

NOI ÷ Purchase Price

NOI derived$18,810
Purchase price data$849,990

$18,810 ÷ $849,990 = 2.2%

Cash-on-cash

Cash-on-Cash Return

Annual Cash Flow ÷ Total Cash Invested

Annual cash flow derived-$36,027
Total cash to close derived$212,498

-$36,027 ÷ $212,498 = -17.0%

DSCR

Debt Service Coverage Ratio (DSCR)

NOI ÷ Annual Debt Service

NOI derived$18,810
Annual debt service derived$52,438

$18,810 ÷ $52,438 = 0.36

Rent-to-price (1% rule)

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

(Gross Scheduled Rent ÷ 12) ÷ Purchase Price

Gross scheduled rent (annual) comp$48,000
Purchase price data$849,990

($48,000 ÷ 12) ÷ $849,990 = 0.5%

Gross rent multiplier

Gross Rent Multiplier (GRM)

Purchase Price ÷ Gross Scheduled Rent

Purchase price data$849,990
Gross scheduled rent (annual) comp$48,000

$849,990 ÷ $48,000 = 17.7

Operating expense ratio

Operating Expense Ratio

Total Operating Expenses ÷ Effective Gross Income

Total operating expenses derived$25,350
Effective gross income derived$44,160

$25,350 ÷ $44,160 = 57.4%

Break-even occupancy

Break-Even Occupancy

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

Total operating expenses derived$25,350
Annual debt service derived$52,438
Annual PMI assumption$0
Gross scheduled rent (annual) comp$48,000

($25,350 + $52,438 + $0) ÷ $48,000 = 162.1%

Comparables

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

AddressTypeBedsBathsSqftAsking rentListedDays on market
single_family421,491$4,300——
single_family421,483$2,9302026-05-22—
single_family431,795$4,0002026-08-04—
single_family431,977$4,0002026-06-01—
single_family421,638$4,6002026-07-31—
single_family421,829$3,900——
single_family421,470$3,200——

160 NW 199th St

Miami, 33169 · rent comp

Bedrooms / bathrooms4 bd / 2 ba
Square footage1,491
Listed—
Days on market—

Asking rent: $4,300

View on Zillow →

980 NW 182nd St

Miami Gardens, 33169 · rent comp

Bedrooms / bathrooms4 bd / 2 ba
Square footage1,483
Listed2026-05-22
Days on market—

Asking rent: $2,930

View on Zillow →

19731 NW 4th Ave

Miami Gardens, 33169 · rent comp

Bedrooms / bathrooms4 bd / 3 ba
Square footage1,795
Listed2026-08-04
Days on market—

Asking rent: $4,000

View on Zillow →

20081 NW 15th Ave

Miami Gardens, 33169 · rent comp

Bedrooms / bathrooms4 bd / 3 ba
Square footage1,977
Listed2026-06-01
Days on market—

Asking rent: $4,000

View on Zillow →

250 NW 191st St Unit 250

Miami Gardens, 33169 · rent comp

Bedrooms / bathrooms4 bd / 2 ba
Square footage1,638
Listed2026-07-31
Days on market—

Asking rent: $4,600

View on Zillow →

740 NW 178th Ter

Miami Gardens, 33169 · rent comp

Bedrooms / bathrooms4 bd / 2 ba
Square footage1,829
Listed—
Days on market—

Asking rent: $3,900

View on Zillow →

4634 NW 185th St

Miami Gardens, 33169 · rent comp

Bedrooms / bathrooms4 bd / 2 ba
Square footage1,470
Listed—
Days on market—

Asking rent: $3,200

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
1225 NW 189th Tersingle_family421,528$540,0002026-08-20
19320 NW 7th Avesingle_family421,248$460,0002026-08-17
295 NW 189th Tersingle_family421,395$510,0002026-08-14
365 NW 188th Stsingle_family421,323$539,0002026-08-13
580 NW 189th Tersingle_family421,264$545,0002026-08-12
1315 NW 196th Tersingle_family421,590$550,0002026-08-06
290 NW 191st Stsingle_family421,128$390,0002026-08-03
1081 NW 198th Stsingle_family432,110$599,0002026-07-27
1440 NW 179th Tersingle_family421,588$575,0002026-07-24
20100 NW 14th Ctsingle_family411,014$410,0002026-07-22
19241 NW 6th Ctsingle_family422,400$410,0002026-07-17
661 NW 191st Stsingle_family421,402$500,0002026-06-26
360 NW 199th Stsingle_family431,125$569,0002026-06-23
1350 NW 189th Tersingle_family431,884$660,0002026-06-08
911 NW 200th Tersingle_family421,692$595,0002026-06-05
1320 NW 179th Stsingle_family421,445$519,0002026-06-02
860 NW 171st Stsingle_family431,118$554,0002026-05-29
18001 NW 14th Ctsingle_family421,972$470,0002026-05-22
19450 NW 6th Avesingle_family421,196$550,0002026-05-19
1321 NW 171st Stsingle_family431,344$590,0002026-05-18
20503 NW 11th Avesingle_family423,004$590,5002026-05-14
1110 NW 183rd Stsingle_family421,851$635,0002026-04-27
1220 NW 190th Stsingle_family431,897$550,0002026-04-23
1413 NW 206th Stsingle_family431,865$495,0002026-04-17
17800 NW 11th Avesingle_family432,000$600,0002026-04-10
601 NW 198th Stsingle_family422,045$605,0002026-04-06
601 NW 187th Stsingle_family421,530$549,0002026-04-01
20606 NW 11th Ctsingle_family431,865$570,0002026-03-20
321 NW 201st Stsingle_family422,032$612,0002026-03-13
401 NW 183rd Stsingle_family421,761$560,0002026-03-06
17940 NW 13th Ctsingle_family431,379$590,0002026-03-05
20021 NW 14th Avesingle_family421,350$480,0002026-02-27
18005 NW 7th Avesingle_family421,419$441,0002026-02-23
5017956229single_family421,989$520,0002026-02-11
1021 NW 195th Stsingle_family421,530$529,0002026-02-03
770 NW 184th Drsingle_family431,885$495,0002026-01-16
1140 NW 193rd Stsingle_family431,896$670,0002026-01-13
19611 NW 4th Avesingle_family421,406$550,0002026-01-08
1220 NW 180th Tersingle_family432,068$610,0002026-01-06
1672 NW 192nd Tersingle_family432,877$720,0002026-01-05
722 NW 170th Stsingle_family421,519$490,0002025-12-30
20 NW 197th Stsingle_family432,007$617,0002025-12-26
17135 NW 12th Ctsingle_family422,155$575,0002025-12-23
30 NW 189th Stsingle_family421,547$460,0002025-12-18
19245 NW 12th Avesingle_family421,561$549,0002025-12-15
45 NW 158th Stsingle_family45—$1,705,2502025-12-10
19110 N Miami Avesingle_family431,879$565,0002025-12-04
830 NW 173rd Tersingle_family442,640$619,5002025-12-03
19710 NW 11th Ctsingle_family432,234$513,0002025-12-01
551 NW 183rd Stsingle_family431,550$518,0002025-11-27

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
152 NW 165th Stsingle_family442,888$2,200,000—
360 NW 179th Tersingle_family431,310$450,000—
17950 NW 6th Ctsingle_family431,459$529,000—
881 NW 177th Tersingle_family421,275$575,000—
21431 NW 13th Ct Apt 116townhomes431,691$400,000—
21105 NW 14th Pl Unit 4condos431,716$429,999—
1251 NW 190th Stsingle_family422,064$499,000—
701 NW 176th Tersingle_family421,368$585,000—

10-year hold projection

IRR-1.3%
Equity multiple0.78x
Total return (10yr)$64,528
YearProperty valueNOICash flowLoan balanceEquity
1$875,490$18,810-$36,027$672,619$202,870
2$901,754$19,501-$35,396$664,741$237,014
3$928,807$20,216-$34,743$656,321$272,486
4$956,671$20,956-$34,066$647,322$309,349
5$985,371$21,721-$33,366$637,706$347,665
6$1,014,933$22,513-$32,640$627,430$387,503
7$1,045,380$23,331-$31,890$616,448$428,933
8$1,076,742$24,178-$31,112$604,712$472,030
9$1,109,044$25,054-$30,308$592,170$516,875
10$1,142,315$25,960-$29,475$578,766$563,549
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.