21 Francisco Avenue
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Based on our analysis, the cap rate of this property is 1.25%. A negative cap rate indicates that the property might not be feasible as an income-producing asset. The median cap rate for a near zip code 11238 is 4.23%.
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Actual monthly rental income may vary between $4,760 and $7,140 depending on unit-specific characteristics. You can change the amount using the slider to further explore.
How is cap rate calculated?
Cap Rate = Net Operating Income (NOI) / Property Asset Value.
When calculating the cap rate, we assume 100% occupancy. Leverage (mortgage) is not considered.
Cap Rate provided by RealtyHop and RentHop, learn more about cap rate here.
Price History
| Date / Event | Date | Event | Price |
|---|---|---|---|
| Apr 15, 2026 | Sold | ||
| Sold | |||
| Feb 27, 2026 | In contract | - | |
| In contract | |||
| Jan 19, 2026 | Listed by EXIT Realty Premier | $649,999 | |
| Listed by EXIT Realty Premier | |||
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Immaculate Ranch-Style Home on a dead end cul-de-sac in the Heart of Central Islip!
This beautifully maintained 4-bedroom, 3-bath home offers approximately 1,995 square feet of comfortable living space and is truly in move-in condition. The main level features an inviting layout with hardwood and tile flooring, an eat-in kitchen with stainless steel appliances, spacious bedrooms, and a primary suite with private bath access. Pride of ownership is evident throughout.
House is featured with a finished basement with a separate outside entrance, offering exceptional flexibility. Ideal for extended living space, a home office, recreation area, or potential accessory use (with proper permits), the private entrance adds both convenience and versatility. Brand new cesspool.
The property also offers private driveway parking and a generously sized yard perfect for entertaining or relaxing.
Conveniently located near shopping, schools, transportation, and major roadways.
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| Jan 16, 2026 | No longer available | - | |
| No longer available | |||
| Jan 6, 2026 | Price Decreased |
$679,999
↓ $5K
(0.7%) | |
| Price Decreased | |||
Property Highlights
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About Central Islip
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Phone: 425-283-2930
Address: 335 Madison Avenue, New York, NY 10017