John Martelotti Real Estate Agent - Keller Williams Realty Staten Island

666 Armstrong Ave, Staten Island, NY For Sale $1,150,000 - listed by John Martelotti — For Sale $1,150,000

John Martelotti listing agent for 131 Cortelyou Ave Unit 2-1, Staten Island, NY - sold for $350,000 — Sold $350,000

326 Front St, Staten Island, NY For Sale $950,000 - listed by John Martelotti — For Sale $950,000

John Martelotti buyer's agent for 1700 Carlton Ave, Staten Island, NY - sold for $700,000 — Sold $700,000

John Martelotti

Staten Island NY

Keller Williams Realty Staten Island

7 Closed Sales

$4.3M Total Value

$295K - $920K Price Range

$618.7K Average Price

Prior 5 years

About John

John has been a NYS Licensed Real Estate Salesperson since 2002.

Home Types: MultiFamily, House

Years of Experience: 24

Education: CUNY Accounting Degree Pricing Strategy Advisor

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	1
Total Value	$350,000
Average Sale Price	$350,000

Seller Deals
Total Deals	2
Total Value	$1,150,000
Average Sale Price	$575,000
Price Range	$350K - $800K

Seller Deals
Total Deals	5
Total Value	$3,012,000
Average Sale Price	$602,400
Price Range	$295K - $920K

Buyer Deals
Total Deals	2
Total Value	$1,319,000
Average Sale Price	$659,500
Price Range	$619K - $700K

5 Year View

Neighborhoods John is Experienced In

John's Active Listings

$1,150,000
- 6 Beds
- 5 Baths
- 2,680 Sq Ft
666 Armstrong Ave

Staten Island, NY
Welcome to 666 Armstrong Avenue, a well-maintained two-family in the highly sought-after area of Great Kills. Whether an investor looking for a high-yield, turnkey property or a buyer seeking the perfect multi-generational living setup with incredible rental income potential, this expansive 6-over-6 residence delivers on every front. Boasting a classic and highly desirable 6-over-6 layout, both

John Martelotti Keller Williams Realty Staten Island

$950,000
- Land
- 0.14 Acre
- $6,785,714 per Acre
326 Front St

Staten Island, NY
Commercial or Affordable Housing Development Opportunity on Front Street across from Urby Apartments. Zoned C4-2A - residential equivalent is R-6B. Commercial and Residential FAR as high as 2.40 this parcel offers 12,112 Buildable SF available for developers to take advantage of the untapped potential for expansion.

John Martelotti Keller Williams Realty Staten Island

Recently Sold

$350,000

Sold Jul 28, 2025
- 1 Bed
- 1 Bath
- 729 Sq Ft
131 Cortelyou Ave

Unit 2-1

Staten Island, NY
- $480/SF
- 13 Days On Market
- Current Est. Value $343K
John Martelotti Keller Williams Realty Staten Island

$800,000

Sold May 14, 2025
- 3 Beds
- 1 Bath
- 1,795 Sq Ft
48 Seneca Ave

Staten Island, NY
- 9% Below List
- $446/SF
- 50 Days On Market
- Current Est. Value $788K
John Martelotti Keller Williams Realty Staten Island

$647,000

Sold Dec 5, 2023
- 4 Beds
- 2 Baths
- 2,068 Sq Ft
152 Cortlandt St

Staten Island, NY
- 14% Below List
- $313/SF
- 49 Days On Market
- Current Est. Value $1M
John Martelotti Keller Williams Realty Staten Island

$295,000

Sold Dec 5, 2022
- 1 Bed
- 1 Bath
- 640 Sq Ft
1292 Rockland Ave

Unit 2C

Staten Island, NY
- 9% Below List
- $461/SF
- 103 Days On Market
- Current Est. Value $323K
John Martelotti Keller Williams Realty Staten Island

$920,000

Sold Feb 8, 2022
- 3 Beds
- 1 Bath
- 2,444 Sq Ft
87 Bay Terrace

Staten Island, NY
- 1% Below List
- $376/SF
- 60 Days On Market
- Current Est. Value $1M
John Martelotti Keller Williams Realty Staten Island

Awards and Designations

NAR - National Association of Realtors
Pricing Strategy Advisor

Other Experience

Investments

Agent License: New York 40MA0954369

John Martelotti

(833) 505-2460

Homes for Sale by City

John Martelotti

About John

Transaction History

Seller Deals

Seller Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods John is Experienced In

John's Listings and Deals

John's Active Listings

Recently Sold

Awards and Designations

Other Experience