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modified
1 Day Ago

Highlights

  • Pet Friendly
  • Conveniently located
  • Stainless steel appliances
  • Brand new
  • Bay windows
  • Renovated kitchen
  • Walk in shower

Location

20 Grant Ave, Islip, NY 11751, USA|Islip
Hi! Let’s figure out if this property is right for you.

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Contact

Management

Greymore Flats, LLC

Leasing office

(631) 666-4040

Property Overview

Grant Flats offers a strong overall Zumper expert rating of 8.3 out of 10, highlighting its competitive pricing, impressive amenities, and excellent location, all rated 9 out of 10. Notable features include stainless steel appliances, bay windows, and a renovated kitchen, enhancing the living experience. Additionally, its pet-friendly environment is supported by nearby pet supply stores and services, ensuring a welcoming atmosphere for pet owners.

This summary uses Zumper’s proprietary data. “Zumper Expert Ratings,” “Things you’ll love,” and “Great for” are based on our internal analyses of market trends and renter insights.

Zumper Expert Rating

8.5
Very Good
With a solid 8.5 out of 10 overall, Grant Flats **Ask about our Security Deposit Alternative** is a great option for renters. While some aspects, like Quality, might not be as distinguished as other properties nearby, Grant Flats **Ask about our Security Deposit Alternative** has a number of attractive features—namely its Price— so you can be assured your rent will come with a high standard of living.

Things you’ll love

  • Laundry available on site

Great for

  • Pet owners

Floor plans

2BR/1.0BA2 bed1 bath$2,750 /mo1 unit availableWhat a beauty! A brand new renovated two bedroom apartment in a 2 story building in the heart of Islip. Renovated Kitchen with Stainless Steel Appliances, Open Living Room with Bay Windows, Full Bath with Walk in Shower, New Washer/Dryer in Units. Conveniently located near shops, restaurants and transportation. Residents will enjoy its close proximity to the LIRR and all major highways.

Let's explore this property.

Amenities for Grant Flats **Ask about our Security Deposit Alternative**

Appliances

DishwasherIn-Unit Laundry
MicrowaveRange
RefrigeratorStove
Washer and Dryer

Building

Cats OKDogs OK
Onsite Laundry
Units, floor plans, amenities, dimensions, details, availability, and prices may be approximate and subject to change. Please contact a community representative for more information.

Policies and fees

Applicants

Applicants

One-time.

Contact Property

REQUIRED FEES

Security Deposit

One-time. Refundable.

Contact Property

Dog Policy

Allowed
Limit1

Cat Policy

Allowed
Limit1

Questions about this property’s policies and fees?

Building details

Property details

Units4
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About Grant Flats **Ask about our Security Deposit Alternative**

HomeApartments in IslipIslip Grant Flats **Ask about our Security Deposit Alternative**

What a beauty! A brand new renovated two bedroom apartment in a 2 story building in the heart of Islip. Renovated Kitchen with Stainless Steel Appliances, Open Living Room with Bay Windows, Full Bath with Walk in Shower, New Washer/Dryer in Units. Conveniently located near shops, restaurants and transportation. Residents will enjoy its close proximity to the LIRR and all major highways.


Zumper Expert Rating

Our expert rating is based on a weighted average score of property attributes that renters care about most: price, amenities, location, quality, and trust.
8.5
/10
Very Good
With a solid 8.5 out of 10 overall, Grant Flats **Ask about our Security Deposit Alternative** is a great option for renters. While some aspects, like Quality, might not be as distinguished as other properties nearby, Grant Flats **Ask about our Security Deposit Alternative** has a number of attractive features—namely its Price— so you can be assured your rent will come with a high standard of living.
How we rated Grant Flats **Ask about our Security Deposit Alternative**
Price·10A score that weighs the cost and location of the property, which we calculate by comparing rent prices of recent units to the median price of nearby rentals, adjusting for overall quality and features.
Grant Flats **Ask about our Security Deposit Alternative** offers an excellent balance between price and value. It's priced competitively for its amenities, location, and other key features. Compared to the median price per bedroom in the area, this property is less than, or about the same as, nearby rentals, so residents can expect great value without too many compromises on their desired standard of living.
Amenities·9A score based on the amenities offered at this property compared to other rentals in the area. We consider the quantity, quality, and popularity of features both on site and within the units.
Grant Flats **Ask about our Security Deposit Alternative** goes above and beyond to provide sought-after conveniences and desirable perks, including pets allowed. Renters looking for popular or luxurious features will find them here—and for that reason, Grant Flats **Ask about our Security Deposit Alternative** receives one of the highest amenities scores.
Location·9A score based on proximity and ease of access to shops, restaurants, schools, and public transportation while considering the desirability of the area.
Grant Flats **Ask about our Security Deposit Alternative** is exceptional when it comes to location and conveniences. Communication with management or leasing staff is usually quick and easy and they often use advanced scheduling and communication tools to streamline the process. The location of this property offers easy access to popular points of interest in the area and options for getting around.
Quality·6A score based on what makes the property stand out, such as luxury features, unique offerings, age of the building, and our ability to verify the accuracy of these details.
While Grant Flats **Ask about our Security Deposit Alternative** does not have many hallmark characteristics to highlight, it has some qualities and features that will resonate with a broad range of renters.
Trustworthiness·7A score based on the accuracy, completeness, recency, and usefulness of the information provided by this property, so you can trust that what you see is what you get.
Grant Flats **Ask about our Security Deposit Alternative** provides some information about the features available in the community and its apartments, making it a reliable option for prospective renters. Renters should ask additional questions about amenities and non-negotiable items they are looking for.

Grant Flats **Ask about our Security Deposit Alternative** is great for:

Pet owners

  • 4 pet hospitals in the area
  • 2 pet grooming services nearby
  • 5 pet supply stores near the property

Property highlights

We compared every listing in the surrounding area to determine which amenities are most common. If a building lacks an amenity that most others in the area have, it is a con. If a building has an amenity most others in the area do not, it is a pro. Similarly, price, schools, and size are calculated relative to the size, price, and distance to schools of the other properties nearby.

How Grant Flats **Ask about our Security Deposit Alternative** compares to other nearby properties.

Positives

Laundry available on site
Washers and dryers are available in-building or in-unit

Considerations

Lacks images
Fewer than 10 photos available for this location

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Rent trends in Islip

2-bedroom apartments at Grant Flats **Ask about our Security Deposit Alternative** cost about 17% less than the average rent price for 2-bedroom apartments in Islip.

Median rents as of Apr 18 2026.
Islip
Islip
A table of 1-bedroom apartment rental data trends in Islip
MonthMedian Rent
May 2024$2,271
June 2024$2,262
July 2024$2,328
August 2024$2,363
September 2024$2,369
October 2024$2,393
November 2024$2,400
December 2024$2,300
May 2025$2,200
July 2025$1,950
August 2025$2,000
September 2025$1,600
January 2026$2,300
February 2026$2,414
March 2026$2,700
April 2026$2,700
A table of 1-bedroom apartment rental data trends in Islip
MonthMedian Rent
May 2024$2,250
June 2024$2,262
September 2024$2,375
October 2024$2,375

Affordability calculator

Can I afford to live at 20 Grant Ave?

Bedrooms

2 bedrooms

Rent-to-income ratio

30%

Slide to adjust the percentage of your monthly income you are willing to spend on rent.
The general rule of thumb is to spend around 30% or less of your income on rent.
Recommended income

$110,000/yr

With your selected rent-to-income ratio, you'd ideally want to make $110,000 annually to afford this 2-bedrooms monthly rent price of $2,750.
For more information on rent affordability, visit our rent calculator.

Schools near Grant Flats **Ask about our Security Deposit Alternative**

Maud S. Sherwood Elementary School

301 smith ave

islip, NY, 11751

2-5Public
B

Wing Elementary School

1 winganhauppauge rd

islip, NY, 11751

K-1Public
A-

Fire Island School (Woodhull School)

750 surf road

corneille estates, NY, 11770

PK, K-6Public

Western Suffolk BOCES

507 deer park rd

dix hills, NY, 11746

K-12Public

Eastern Suffolk BOCES

201 sunrise hwy

patchogue, NY, 11772

K-12Public
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Internet available near Grant Flats **Ask about our Security Deposit Alternative**

Getting around Islip near 20 Grant Ave

Walking

5/10
Some shops and stores are within a few minutes.

Driving

7/10
This area is close to freeways and has adequate parking options.

Cycling

5/10
More spots are within biking distance and some roads are cyclist-friendly.

Transit

3/10
There are a few mass transit options within the area.

Points of interest for 20 Grant Ave, Islip

Groceries

4/10
At least one supermarket within a 30-minute walk

Shopping

6/10
Several shops within walking distance

Cafes

6/10
Some cafés within a few minutes’ walk

Restaurants

6/10
Variety of restaurants within a few minutes' walk

Primary schools

8/10
At least one elementary school within a 15-minute walk

High schools

8/10
At least one high school within a 15-minute walk

Nightlife

5/10
Some bars within a few minutes’ walk

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