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John Mammano

56 Closed Sales
$32.9M Total Value
$264K - $2.3M Price Range
$586.8K Average Price
Prior five years

About John

John has been a Washington resident for over 20 years and a real estate agent for over 15 years. He has built his business on referrals and returning clients who trust his expertise, attention to detail, and outstanding negotiation skills. John is known for his sincere business approach, teamwork with his clients and open communication throughout the real estate transaction.

John credits his parents for his dedication to hard work and entrepreneurial spirit. Thanks to his family’s construction and real estate investment businesses, John was raised with the notion that hard work, smart business decisions and loving a career are the ingredients for success.

John holds a Bachelor of Arts degree in Political Science and a minor in Business Administration from Arizona State University. His prior years of working in corporate Finance and Project Management prepared him to seamlessly handle complex transactions in real estate.

John’s interests include renovation projects, design and architecture. He takes inspiration from his travels through Argentina, Brazil, Costa Rica, England, France, Spain, Mexico, Italy, Czech Republic and Hungary. As an animal lover, John is a supporter of The Humane Society.
Home Types: Townhouse, Co-op, Condo, House, MultiFamily
Years of Experience: 18
Education: Arizona State University

Transaction History

Seller Deals

Total Deals
5
Total Value
$3,317,500
Average Sale Price
$663,500
Price Range
$465K - $961K

Buyer Deals

Total Deals
4
Total Value
$2,700,000
Average Sale Price
$675,000
Price Range
$309K - $1.6M

Production Over Time

1 Year View by Quarter

Seller Deals

Total Deals
13
Total Value
$7,142,500
Average Sale Price
$549,423
Price Range
$264K - $961K

Buyer Deals

Total Deals
9
Total Value
$5,667,000
Average Sale Price
$629,667
Price Range
$302K - $1.6M

Production Over Time

2 Year View by Quarter

Seller Deals

Total Deals
37
Total Value
$20,828,400
Average Sale Price
$562,930
Price Range
$235K - $1.3M

Buyer Deals

Total Deals
19
Total Value
$12,032,390
Average Sale Price
$633,284
Price Range
$215K - $2.3M

Production Over Time

5 Year View

John's Listings and Deals

Awards and Designations

  • GCAAR - Gold Award Winner - Multiple Times
  • Washingtonian Magazine - Top Agent, 2018, 2019, 2021
  • NAR - National Association of Realtors
  • green - Green Designation
Agent License: District of Columbia SP98358195
Agent Photo

John Mammano