255 Sunrise Dr Apt 107
Key Biscayne, FL 33149 · condos · For Sale · 9 days on market
Asking price$459,000
1 beds 1 baths 608 sqft
Suggested offer$437,924$21,076 above the est. market value of $437,924.
View on Realtor.com →Listed by Devin James Herrera · BHHS EWM Realty
Typecondos
Built1965
Price / sqft$755
Est. value (own analysis)$437,924
Rent estimate (own analysis)$3,250/mo
HOA$458/mo
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Statusfor_sale
Listed date2026-08-24
Removed date—
MLSMiamiMLS #A12075741
Coordinates25.69034, -80.16094
Address255 Sunrise Dr Apt 107
CityKey Biscayne
StateFL
Zip33149
Listing ID6237395145
Sourceus-real-estate-listings, cached 2026-08-31
ZIP market snapshot (33149)
Typical home value (ZHVI)$1,692,135
Typical rent (ZORI)$7,910/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 | $459,000 |
| Down payment (20.0%) | $91,800 |
| Loan amount | $367,200 |
| Closing costs (5.0%) | $22,950 |
| Total cash to close | $114,750 |
| Income | |
| Rent (comp-derived) | $3,250$39,000 |
| Vacancy loss (8.0%) | |
| Effective gross income | $2,990$35,880 |
| Operating expenses | |
| Property tax (placeholder 1.9% of price) | $727$8,721 |
| Insurance (placeholder 0.8% of price) | $306$3,672 |
| HOA dues | $458$5,496 |
| Management (0.0% of EGI) | $0$0 |
| Maintenance (5.0% of GSR) | $163$1,950 |
| Total operating expenses | $1,653$19,839 |
| 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) | $163$1,950 |
| 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 |
|---|---|---|---|---|---|---|---|
| condos | 1 | 1 | 608 | $2,400 | 2026-06-17 | — | |
| condos | 1 | 2 | 725 | $3,000 | 2026-08-05 | — | |
| condos | 1 | 1 | 676 | $3,250 | 2026-08-25 | — | |
| condos | 1 | 2 | 744 | $3,350 | 2026-06-22 | — | |
| condos | 1 | 1 | 474 | $3,300 | 2026-05-12 | — | |
| apartment | 1 | 2 | 725 | $3,250 | 2026-04-17 | — | |
| apartment | 1 | 1 | 530 | $6,062 | 2022-07-04 | — | |
| apartment | 1 | 1 | 500 | $2,500 | 2026-07-06 | — | |
| condos | 1 | 1 | 676 | $2,799 | 2026-09-01 | — |
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 |
|---|---|---|---|---|---|---|
| 255 Sunrise Dr Apt 207 | condos | 1 | 1 | 676 | $480,000 | 2026-08-03 |
| 155 Ocean Lane Dr Apt 707 | condos | 1 | 2 | 895 | $635,000 | 2026-07-30 |
| 100 Ocean Lane Dr Apt 202 | condos | 1 | 2 | 870 | $512,500 | 2026-07-24 |
| 300 Sunrise Dr Apt 1B | condos | 1 | 1 | 590 | $430,000 | 2026-07-10 |
| 455 Grand Bay Dr Unit 618-19 | condos | 1 | 1 | 791 | $1,605,000 | 2026-07-01 |
| 177 Ocean Lane Dr Apt 302 | condos | 1 | 2 | 840 | $780,000 | 2026-06-05 |
| 177 Ocean Lane Dr Apt 703 | condos | 1 | 2 | 840 | $854,000 | 2026-05-28 |
| 77 Crandon Blvd Apt 5B | condos | 1 | 2 | 744 | $480,000 | 2026-05-26 |
| 101 Ocean Lane Dr Apt 205 | condos | 1 | 2 | 972 | $530,000 | 2026-04-16 |
| 290 Sunrise Dr Unit 2L | condos | 1 | 1 | 610 | $490,000 | 2026-04-08 |
| 325 Fernwood Rd Apt 5 | condos | 1 | 1 | 474 | $395,000 | 2026-02-02 |
| 155 Ocean Lane Dr Apt 706 | condos | 1 | 2 | 895 | $637,000 | 2026-01-20 |
| 55 Ocean Lane Dr Apt 1026 | condos | 1 | 2 | 972 | $550,000 | 2025-10-31 |
| 200 Ocean Lane Dr Apt 305 | condos | 1 | 2 | 1,259 | $920,000 | 2025-09-11 |
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 |
|---|---|---|---|---|---|---|
| 200 Galen Dr Apt 202 | condos | 1 | 2 | 730 | $399,000 | — |
| condos | 1 | 2 | 895 | $845,000 | — | |
| 55 Ocean Lane Dr Apt 3030 | condos | 1 | 2 | 972 | $580,000 | — |
| 155 Ocean Lane Dr Apt 302 | condos | 1 | 2 | 895 | $749,000 | — |
| 210 Sea View Dr Apt 207 | condos | 1 | 2 | 875 | $579,000 | — |
| 200 Ocean Lane Dr Apt PB4 | condos | 1 | 1 | 1,217 | $1,400,000 | — |
| 100 Ocean Lane Dr Apt 303 | condos | 1 | 2 | 870 | $505,000 | — |
| 251 Galen Dr Apt 302 | condos | 1 | 2 | 854 | $480,000 | — |
10-year hold projection
IRR2.0%
Equity multiple1.32x
Total return (10yr)$96,567
| Year | Property value | NOI | Cash flow | Loan balance | Equity |
|---|---|---|---|---|---|
| 1 | $472,770 | $16,041 | -$14,226 | $363,219 | $109,551 |
| 2 | $486,953 | $16,621 | -$13,694 | $358,964 | $127,989 |
| 3 | $501,562 | $17,222 | -$13,144 | $354,417 | $147,145 |
| 4 | $516,609 | $17,843 | -$12,574 | $349,558 | $167,051 |
| 5 | $532,107 | $18,485 | -$11,984 | $344,365 | $187,742 |
| 6 | $548,070 | $19,149 | -$11,374 | $338,816 | $209,254 |
| 7 | $564,512 | $19,835 | -$10,743 | $332,885 | $231,627 |
| 8 | $581,447 | $20,546 | -$10,089 | $326,548 | $254,900 |
| 9 | $598,891 | $21,280 | -$9,413 | $319,775 | $279,116 |
| 10 | $616,858 | $22,039 | -$8,713 | $312,537 | $304,321 |
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.