Neighborhood
Isles Worth
Florida US
Isles Worth, Florida has an investment profile marked by a 5.1 gross yield, prices about 13% above Florida, and a price trend down 1.9 over the past year. The Red Flag score is 71, walkability is 48, and education is in the 71st percentile. The relative strength is the education percentile; the main risk is the higher Red Flag score.
AI Summary•Updated May 2026
Area
16.81 mi²
ZIP Code
34990
County
Martin County
State
Florida
Redfin — median sale & volumeZillow ZORI — asking rentFEMA National Risk Index v1.20OpenStreetMap — POIFBI UCR — state crimeEPA — radon zonesWashU ACAG — satellite PM2.5EPA FRS / BTS — hazard screeningUS Census ACS / TIGER 2024
Verified Price · Median Sale
$604,820
YoY-1.9%
Gross Rental Yield
5.1%
Listed rent · ZORI annualized
Red Flag Index
High
71 / 100
Walkability Score
48
OpenStreetMap POI density · national percentile
Education Score
71 / 100
Pre-pandemic SEDA (2018/19) · district proxy
AI Score
47
DistrictScore attractiveness · national model
Isles Worth Property Prices & Rental Yield
Verified Redfin sale data and Zillow ZORI asking rent.
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Sign in to view — freeMarket Economics Snapshot
May 2026| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $604,820 | -1.9% |
| Price / Sq Ft (Verified) | $262/sqft | -1.9% |
| Asking Rent (Median) | $2,552/mo | +2.9% |
| Gross Rental Yield | 5.1% | — |
| Liquidity Score | 47 / 100 | Moderate |
| Homes Sold (Period) | 208 | +21.6% |
Is Isles Worth Safe? Natural-Hazard Risk
FEMA National Risk Index composite across eight hazards, plus inherited Florida crime context.
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Sign in to view — free What Stands Out AI Insight
Above-average gross rental yield at 5.1%
Active transaction volume — 208 homes sold last period
Flood risk is Very High (100/100)
Hurricane risk is Very High (100/100)
Insights are generated from Isles Worth's live DistrictScore metrics.
Isles Worth Environment & Safety
Satellite PM2.5 air-quality history, FBI UCR crime trend (Florida-level, the finest official aggregation), EPA radon potential and point-source hazard screening.
Air Quality — PM2.5
2015–20245.1 µg/m³ Meets EPA, above WHO guideline+38.3% since 2015
EPA 9WHO 5
20152024
Annual mean fine-particle (PM2.5) concentration at the Isles Worth centroid, satellite-derived (ACAG). References: WHO guideline 5 µg/m³ · EPA annual standard 9 µg/m³. Latest year ranks worse than 19% of U.S. neighborhoods.
Florida Crime Trend
FBI UCR20132024
All crimes / 1k
Violent / 1k
| Year | Crimes / 1k | Violent / 1k | YoY |
|---|---|---|---|
| 2024 | 16.9 | 2.7 | -4.5% |
| 2023 | 18.0 | 2.9 | -2.3% |
| 2022 | 19.0 | 2.9 | +4.4% |
| 2021 | 18.6 | 3.4 | -13.5% |
| 2020 | 21.5 | 3.8 | -13.7% |
| 2019 | 25.2 | 3.8 | — |
Reported at the state level — the finest official US crime aggregation; Isles Worth inherits the Florida figures.
Radon Potential
EPAZone 3
Zone 3 — Lowest potential · Isles Worth
EPA radon zones estimate indoor radon potential county-wide (Zone 1 highest, Zone 3 lowest). Testing is recommended in all zones.
Environmental Hazards
EPA / BTSIndustrial odor2 nearbyHigh
Point-source screening near Isles Worth: EPA Superfund National Priorities List & Facility Registry (2026), BTS aviation noise (2020, 24-hour average level). Superfund shows distance to the nearest listed site; odor shows detected sources within the screening radius. Only detected sources are listed; the bar shows severity vs. all U.S. neighborhoods.
Walkability & Amenities in Isles Worth
Amenity density and pedestrian access from OpenStreetMap points of interest.
Walkability & Amenities
OpenStreetMap POI48
Car-Dependent
Walkability Score
12
Grocery
20
Dining
6
Schools
0
Universities
2
Hospitals
3
Pharmacies
15
Parks
0
Rail Transit
0
Coworking
POI counts are amenities within Isles Worth's boundary plus a 400 m walk buffer. Rail transit excludes bus stops.
Isles Worth vs City vs Florida
How Isles Worth benchmarks against its city and state medians.
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Compare Isles Worth against its city and Florida medians — free with a DistrictScore account.
Sign in to view — freeBuying Property in the US as a Foreigner
Federal & Florida tax facts for non-resident buyers, plus the latest local market news.
Buying as a Foreigner
US Tax & OwnershipApplies to everyone7
Capital Gains (Federal)
Long-term capital gains taxed federally at 0/15/20%, plus a 3.8% Net Investment Income Tax on higher incomes (2026).
Property Tax
Property tax: ~0.76% average effective rate (statewide average; set and collected locally).
State Income Tax
No state income tax — rental income is not taxed at the state level.
State Capital Gains
No state capital gains tax.
Transfer Tax
Real estate transfer tax: documentary stamp $0.70 per $100 ($0.60 in Miami-Dade).
Assessment Cap
Save Our Homes caps homestead assessment growth at 3%/CPI; reassessed to market value on sale.
Mansion Tax / Rent Control
No statewide mansion tax or statewide rent control.
US citizens & tax residents8
Primary-Home Exclusion
Selling your main home: exclude up to $250k of gain (single) / $500k (married) if you owned and lived there 2 of the last 5 years.
1031 Like-Kind Exchange
A 1031 like-kind exchange defers capital gains tax on investment property; 45 days to identify, 180 to close. Real estate only.
Depreciation Recapture
Residential rentals depreciate over 27.5 years; on sale, recaptured depreciation is taxed up to 25% (Section 1250).
Mortgage Interest Deduction
Mortgage interest is deductible on up to $750k of home debt. The SALT cap rose to $40,000 for 2025-2029 (reverts to $10k in 2030).
Opportunity Zones
Opportunity Zones are now permanent (2025): reinvested capital gains get deferral plus a basis step-up, and are tax-free after 10 years.
Rental Income (Resident)
Rental income is reported on Schedule E; passive-loss rules (Section 469) limit deducting rental losses against other income.
Homestead Exemption
Homestead: up to $50,000 off taxable value, plus unlimited protection from most creditors.
Senior & Veteran Exemptions
Extra $50,000 senior exemption plus property-tax discounts for veterans.
Foreign buyers (non-residents)6
FIRPTA (Foreign Sellers)
FIRPTA: the buyer withholds 15% of the gross sale price when a nonresident sells US property. It is an advance deposit, not the final tax.
Non-Resident Capital Gains
Nonresident sellers pay US capital gains tax (generally 15-20%) on the net gain via Form 1040-NR; FIRPTA withholding is credited.
Non-Resident Rental Tax
Nonresident rental income is taxed at 30% of gross by default, or on net income at graduated rates via a Section 871(d) election (W-8ECI).
Estate Tax (Non-Resident)
Nonresidents get only a $60,000 US estate-tax exemption (vs $13.99M for residents); US property above it is taxed up to 40%. Treaties may help.
ITIN Requirement
Nonresidents without an SSN need an ITIN (Form W-7) to file US tax returns, claim FIRPTA refunds, and report rental income.
Foreign Ownership Restrictions
SB 264 restricts buyers from 7 countries of concern (incl. China) from residential property near sensitive sites. Verify first.
Talk to a US real-estate tax advisor
FIRPTA, ITIN & Florida property-tax guidance for foreign buyers
Isles Worth Real Estate FAQ
Isles Worth, Florida has a 5.1 gross yield and education in the 71st percentile, but prices are about 13% above Florida and the price trend was down 1.9 over the past year. The Red Flag score is 71, which points to a more cautious profile.
Neighborhoods near Isles Worth
Compare Isles Worth with nearby neighborhoods in Martin County.
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