John Costello Real Estate Agent - Maloney Properties LLC

22 Elm St Unit 304, Worcester, MA For Sale $209,300 - listed by John Costello — For Sale $209,300

John Costello listing and buyer's agent for 84 W Main St Unit 84, Boston, MA - sold for $420,000 — Sold $420,000

596 North Ave Unit 303, Wakefield, MA For Rent $2,301/month - co-listed by John Costello — For Rent $2,301/month • Co-Listing Agent

John Costello listing agent for 160 Water St Unit 102, Williamstown, MA - sold for $220,000 — Sold $220,000

596 North Ave Unit 312, Wakefield, MA For Rent $2,701/month - co-listed by John Costello — For Rent $2,701/month • Co-Listing Agent

John Costello

Wellesley MA

Maloney Properties LLC

6 Closed Sales

$1.6M Total Value

$153.5K - $420K Price Range

$273.3K Average Price

Prior 5 years

About John

John joined MPI in 2013 with our property management division. He works closely with the Boston Planning & Development Agency (BPDA) and the Department of Neighborhood Development (DND), City of Boston Fair Housing Commission, and local municipalities in mastering the complex affordable housing process.

John has a proven ability to successfully lease up developments within a stringent timeline that result in success. He has overseen several hundred affordable housing leases up and hundreds of affordable condo sales.

John has developed an excellent reputation for his diligence and careful oversight and adherence to various subsidy and affordable housing restrictions with the City of Boston and state agencies.

Home Types: Condo, Townhouse

Years of Experience: 12

Education: Salem State University

Transaction History

1 Year
2 Year

Seller Deals
Total Deals	3
Total Value	$922,000
Average Sale Price	$307,333
Price Range	$220K - $420K

Seller Deals
Total Deals	6
Total Value	$1,639,500
Average Sale Price	$273,250
Price Range	$154K - $420K

Areas John is Experienced In

John's Listings and Deals

John's Active Listings

$209,300
- 3 Beds
- 2 Baths
- 670 Sq Ft
22 Elm St

Unit 304

Worcester, MA
22 Elm is a residential development in Worcester consisting of 22 units. All 22 units will be sold to households earning at or below 80% AMI (Area Median Income) for the Worcester, MA HUD Metro FMR Area. 1HH $73,750, 2HH $84,300, 3HH $94,850, Asset Limit: $155,000. This exciting new condominium development in the heart of downtown is housed in a beautifully reimagined historic building. 22

John Costello Maloney Properties LLC

Co-Listing Agent

$2,301 per month
- 1 Bed
- 1 Bath
- 860 Sq Ft
596 North Ave

Unit 303

Wakefield, MA
Income-restricted apartment rental at The Elms in Wakefield, a newly constructed community near Lake Quannapowitt. Features include bright open-concept layouts, oversized windows, premium stone countertops, stainless steel appliances, elevator access, in-unit laundry, parking, and access to nearby walking trails, shopping, dining, commuter rail, and I-95/Route 128. This is not a lottery;

John Costello Maloney Properties LLC

Co-Listing Agent

$2,701 per month
- 2 Beds
- 1 Bath
- 860 Sq Ft
596 North Ave

Unit 312

Wakefield, MA
Income-restricted apartment rental at The Elms in Wakefield, a newly constructed community near Lake Quannapowitt. Features include bright open-concept layouts, oversized windows, premium stone countertops, stainless steel appliances, elevator access, in-unit laundry, parking, and access to nearby walking trails, shopping, dining, commuter rail, and I-95/Route 128. This is not a lottery;

John Costello Maloney Properties LLC

Co-Listing Agent

$2,701 per month
- 2 Beds
- 1 Bath
- 871 Sq Ft
596 North Ave

Unit 207

Wakefield, MA
Income-restricted apartment rental at The Elms in Wakefield, a newly constructed community near Lake Quannapowitt. Features include bright open-concept layouts, oversized windows, premium stone countertops, stainless steel appliances, elevator access, in-unit laundry, parking, and access to nearby walking trails, shopping, dining, commuter rail, and I-95/Route 128. This is not a lottery;

John Costello Maloney Properties LLC

Co-Listing Agent

$2,301 per month
- 1 Bed
- 1 Bath
- 693 Sq Ft
596 North Ave

Unit 104

Wakefield, MA
Income-restricted apartment rental at The Elms in Wakefield, a newly constructed community near Lake Quannapowitt. Features include bright open-concept layouts, oversized windows, premium stone countertops, stainless steel appliances, elevator access, in-unit laundry, parking, and access to nearby walking trails, shopping, dining, commuter rail, and I-95/Route 128. This is not a lottery;

John Costello Maloney Properties LLC

Recently Sold

$420,000

Sold Nov 1, 2025
- 2 Beds
- 2 Baths
- 1,115 Sq Ft
84 W Main St

Unit 84

Boston, MA
- 35 Days On Market
- $377/SF
John Costello Maloney Properties LLC

$220,000

Sold Oct 31, 2025
- 3 Beds
- 2 Baths
- 1,746 Sq Ft
160 Water St

Unit 102

Williamstown, MA
- 76 Days On Market
- $126/SF
John Costello Maloney Properties LLC

$282,000

Sold Sep 17, 2025
- 2 Beds
- 1.5 Baths
- 981 Sq Ft
68 Church Green

Unit 7

Taunton, MA
- 27 Days On Market
- $287/SF
John Costello Maloney Properties LLC

$282,000

Sold Apr 30, 2025
- 2 Beds
- 1.5 Baths
- 981 Sq Ft
68 Church Green

Unit 14

Taunton, MA
- 118 Days On Market
- $287/SF
John Costello Maloney Properties LLC

$282,000

Sold Feb 20, 2025
- 2 Beds
- 1.5 Baths
- 981 Sq Ft
68 Church Green

Unit 3

Taunton, MA
- 62 Days On Market
- $287/SF
John Costello Maloney Properties LLC

$153,500

Sold Jan 1, 2025
- 1 Bed
- 1 Bath
- 900 Sq Ft
160 Water St

Unit 309

Williamstown, MA
- 1% Below List
- 140 Days On Market
- $171/SF
- Current Est. Value $185K
John Costello Maloney Properties LLC

Agent License: Massachusetts 449586550

Frequently Asked Questions

Who is John Costello, and what is their real estate background?

How many homes has John Costello sold in Wellesley, MA?

What areas does John Costello serve?

How can I contact John Costello?

John Costello

(781) 694-6208

Maloney Properties LLC

(781) 694-6208

Nearby Homes

John Costello

About John

Transaction History

Seller Deals

Seller Deals

Areas John is Experienced In

John's Listings and Deals

John's Active Listings

Recently Sold

Frequently Asked Questions

Who is John Costello, and what is their real estate background?

How many homes has John Costello sold in Wellesley, MA?

What areas does John Costello serve?

How can I contact John Costello?