4309 SW 129th Ave
Miami, FL 33175 · townhomes · For Sale · 34 days on market
Asking price$520,000
3 beds 2 baths 1,250 sqft
Listed by Lucia Herdocia · New Way Realty Group
Typetownhomes
Built1971
Price / sqft$416
Est. value (own analysis)$567,010
Rent estimate (own analysis)$3,000/mo
HOANone
Wind10/10Extreme$Heat10/10ExtremeFlood3/10moderate$Air2/10MinorWildfire1/10Minimal
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Statusfor_sale
Listed date2026-07-30
Removed date—
MLSMiamiMLS #A12062759
Coordinates25.72754, -80.40390
Address4309 SW 129th Ave
CityMiami
StateFL
Zip33175
Listing ID5401090533
Sourceus-real-estate-listings, cached 2026-09-01
ZIP market snapshot (33175)
Typical home value (ZHVI)$628,459
Typical rent (ZORI)$3,232/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 | $520,000 |
| Down payment (20.0%) | $104,000 |
| Loan amount | $416,000 |
| Closing costs (5.0%) | $26,000 |
| Total cash to close | $130,000 |
| Income | |
| Rent (comp-derived) | $3,000$36,000 |
| Vacancy loss (8.0%) | |
| Effective gross income | $2,760$33,120 |
| Operating expenses | |
| Property tax (placeholder 1.9% of price) | $823$9,880 |
| Insurance (est. scaled by flood & wind risk) | $555$6,656 |
| HOA dues | $0$0 |
| Management (0.0% of EGI) | $0$0 |
| Maintenance (5.0% of GSR) | $150$1,800 |
| Total operating expenses | $1,528$18,336 |
| 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) | $150$1,800 |
| 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 |
|---|---|---|---|---|---|---|---|
| townhomes | 3 | 3 | 1,232 | $3,000 | 2026-08-19 | — | |
| townhomes | 3 | 3 | 1,300 | $2,800 | 2026-08-06 | — | |
| townhomes | 3 | 2 | 970 | $2,700 | 2026-08-05 | — | |
| townhomes | 3 | 2 | 1,015 | $3,200 | 2026-06-24 | — | |
| townhomes | 3 | 2 | 1,144 | $3,249 | 2026-06-20 | — | |
| townhomes | 3 | 2 | 970 | $2,900 | 2026-06-19 | — | |
| townhomes | 3 | 3 | 1,232 | $3,000 | 2026-06-12 | — | |
| townhomes | 3 | 3 | 1,232 | $3,000 | 2026-06-12 | — | |
| townhomes | 3 | 2 | 1,636 | $3,100 | 2026-03-20 | — | |
| townhomes | 3 | 3 | 956 | $2,600 | 2026-07-06 | — |
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 |
|---|---|---|---|---|---|---|
| 13934 SW 52nd Ter | townhomes | 3 | 1 | 970 | $440,000 | 2026-07-23 |
| 13756 SW 54th Ter | townhomes | 3 | 2 | 970 | $460,000 | 2026-07-20 |
| 12900 SW 51st St | townhomes | 3 | 1 | 1,015 | $515,000 | 2026-07-13 |
| 4762 SW 131st Ave | townhomes | 3 | 1 | 1,015 | $500,000 | 2026-07-08 |
| 5103 SW 138th Avenue Cir | townhomes | 3 | 2 | 970 | $445,000 | 2026-06-30 |
| 4575 SW 143rd Ave | townhomes | 3 | 2 | 1,268 | $353,000 | 2026-05-19 |
| 1703 SW 131st Place Cir S | townhomes | 3 | 3 | 1,851 | $510,000 | 2026-05-14 |
| 4531 SW 144th Ave | townhomes | 3 | 2 | 1,346 | $515,000 | 2026-05-04 |
| 4445 SW 136th Pl | townhomes | 3 | 2 | 1,110 | $445,000 | 2026-05-01 |
| 4809 SW 135th Ct | townhomes | 3 | 2 | 1,110 | $470,000 | 2026-05-01 |
| 13105 SW 51st St | townhomes | 3 | 1 | 1,015 | $395,000 | 2026-04-29 |
| 13765 SW 54th Ln | townhomes | 3 | 1 | 970 | $455,000 | 2026-04-15 |
| 12924 SW 45th Ter | townhomes | 3 | 1 | 1,015 | $470,000 | 2026-04-10 |
| 5402 SW 139th Ct | townhomes | 3 | 1 | 970 | $449,000 | 2026-04-08 |
| 4816 SW 145th Ave | townhomes | 3 | 2 | 1,264 | $480,000 | 2026-04-08 |
| 5388792772 | townhomes | 3 | 2 | 1,015 | $475,000 | 2026-04-06 |
| 13761 SW 49th St | townhomes | 3 | 2 | 1,061 | $390,000 | 2026-04-02 |
| 2410 SW 122nd Ct Unit 1 | townhomes | 3 | 3 | 1,430 | $466,000 | 2026-04-01 |
| 12961 SW 50th Ln | townhomes | 3 | 1 | 1,015 | $490,000 | 2026-03-27 |
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.
| Address | Type | Beds | Baths | Sqft | Asking price | Days on market |
|---|---|---|---|---|---|---|
| 2375 SW 141st Ave | single_family | 3 | 2 | 2,351 | $685,000 | — |
| 2524 SW 122nd Ct | townhomes | 3 | 3 | 1,430 | $474,900 | — |
| 2050 SW 122nd Ave Apt 21 | condos | 3 | 2 | 1,196 | $425,000 | — |
| 5416 SW 138th Ave | condo_townhome_rowhome_coop | 3 | 1 | 970 | $335,000 | — |
| 12055 SW 19th Ln Unit 227 | condos | 3 | 3 | 1,716 | $499,999 | — |
| 4874 SW 142nd Pl | single_family | 3 | 2 | 1,661 | $650,000 | — |
| 14261 SW 28th St | single_family | 3 | 3 | 1,840 | $725,000 | — |
| 12330 SW 39th Ter | single_family | 3 | 2 | 1,689 | $799,999 | — |
10-year hold projection
IRR0.3%
Equity multiple1.05x
Total return (10yr)$74,057
| Year | Property value | NOI | Cash flow | Loan balance | Equity |
|---|---|---|---|---|---|
| 1 | $535,600 | $14,784 | -$19,096 | $411,490 | $124,110 |
| 2 | $551,668 | $15,319 | -$18,606 | $406,670 | $144,998 |
| 3 | $568,218 | $15,873 | -$18,098 | $401,518 | $166,700 |
| 4 | $585,265 | $16,445 | -$17,573 | $396,014 | $189,251 |
| 5 | $602,823 | $17,037 | -$17,029 | $390,131 | $212,692 |
| 6 | $620,907 | $17,650 | -$16,467 | $383,844 | $237,063 |
| 7 | $639,534 | $18,283 | -$15,885 | $377,125 | $262,409 |
| 8 | $658,720 | $18,938 | -$15,282 | $369,945 | $288,775 |
| 9 | $678,482 | $19,615 | -$14,658 | $362,272 | $316,210 |
| 10 | $698,837 | $20,315 | -$14,013 | $354,072 | $344,764 |
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.