Dylan Costello

Boston MA

Coldwell Banker Realty - Boston

62 Closed Sales

$63.6M Total Value

$597K - $2.1M Price Range

$1M Average Price

Prior 5 years

About Dylan

Home Types: MultiFamily, Lot/Land, Condo, Townhouse, House

Years of Experience: 13

Transaction History

1 Year
2 Year
5 Year

Seller Deals

Total Deals

Total Value

$16,178,214

Average Sale Price

$951,660

Price Range

$555K - $2.1M

Buyer Deals

Total Deals

Total Value

$5,557,500

Average Sale Price

$793,929

Price Range

$488K - $1.1M

1 Year View by Quarter

Seller Deals

Total Deals

Total Value

$22,344,214

Average Sale Price

$971,488

Price Range

$555K - $2.1M

Buyer Deals

Total Deals

Total Value

$13,732,500

Average Sale Price

$980,893

Price Range

$488K - $1.9M

2 Year View by Quarter

Seller Deals

Total Deals

Total Value

$30,736,214

Average Sale Price

$991,491

Price Range

$555K - $2.1M

Buyer Deals

Total Deals

Total Value

$32,844,900

Average Sale Price

$1,059,513

Price Range

$480K - $2.1M

5 Year View

Neighborhoods Dylan is Experienced In

Dylan's Open Houses

Co-Listing Agent

$979,000 Open Sun 10:30AM - 11:30AM
- 3 Beds
- 2 Baths
- 1,471 Sq Ft
9 Sydney St

Unit 2

Dorchester, MA
Welcome to the LAST UNIT at 9 Sydney St. – Where Style Meets Convenience. This brand-new 5-unit development offers modern living in the heart of Dorchester’s vibrant Savin Hill neighborhood. Thoughtfully designed from the ground up, each home features custom kitchen cabinetry with double-thick quartz countertops, red oak hardwood floors 2 private decks, and a clean, contemporary aesthetic that

Dylan Costello Serhant

Co-Listing Agent

$5,195,000 Open Sun 12PM - 2PM
- 5 Beds
- 6.5 Baths
- 7,962 Sq Ft
9 Tuttle Ln

Lynnfield, MA
This isn’t just a home — it’s a statement. Meticulously crafted by luxury custom home builder, Orr Homes, 9 Tuttle Lane is the undisputed trophy of Lynnfield — a one-of-one masterpiece for those who understand the difference between luxury and legacy. Imagine mornings filled with sunlight, herringbone white oak floors underfoot, and ten-foot ceilings overhead. The chef’s kitchen, outfitted with

Dylan Costello Serhant

Co-Listing Agent

$675,000 Open Sun 12PM - 1:30PM
- 1 Bed
- 1 Bath
- 675 Sq Ft
267 Old Colony Ave

Unit 313

Boston, MA
OVER 60% SOLD—RATE BUY-DOWN INCENTIVES! Trimount Place is South Boston’s top luxury, amenity rich development—Designed to Inspire. Built to Last. Thoughtfully crafted with 5” white oak, Calacatta countertops, timeless, custom shaker cabinetry—these residences pair style with function. Enjoy sleek appliances, ceramic backsplash, and spa-like bathrooms with porcelain walls and Carrara marble

Dylan Costello Serhant

Co-Listing Agent

$1,499,000 Open Sun 12PM - 1:30PM
- 2 Beds
- 2 Baths
- 1,317 Sq Ft
267 Old Colony Ave

Unit 605

Boston, MA
Welcome to Trimount Place—South Boston’s latest luxury development, designed to inspire and built to last. Set in one of the city’s fastest-growing pockets, you’re right where Southie’s character meets Seaport momentum. Each residence is thoughtfully finished with 5” white oak floors, Calacatta Colorado quartz countertops, and custom shaker cabinetry in a crisp mix of white and light grey.

Dylan Costello Serhant

Co-Listing Agent

$925,000 Open Sun 12PM - 1:30PM
- 2 Beds
- 2 Baths
- 916 Sq Ft
267 Old Colony Ave

Unit 503

Boston, MA
OVER 60% SOLD—RATE BUY-DOWN INCENTIVES! Trimount Place is South Boston’s top luxury, amenity rich development—Designed to Inspire. Built to Last. Thoughtfully crafted with 5” white oak, Calacatta countertops, timeless, custom shaker cabinetry—these residences pair style with function. Enjoy sleek appliances, ceramic backsplash, and spa-like bathrooms with porcelain walls and Carrara marble

Dylan Costello Serhant

Dylan's Active Listings

Co-Listing Agent

$3,499,000
- 5 Beds
- 4.5 Baths
- 5,600 Sq Ft
259 Central Ave

Milton, MA
Set along one of Milton’s most distinguished streets, this Modern Victorian residence blends timeless architecture with refined contemporary living. A classic silhouette, steep gables, and deep porch welcome you home, while 5,600 square feet above grade unfold with intention and warmth. Sunlight pours through tall windows into gracious living spaces designed for gathering and quiet retreat alike.

Dylan Costello Serhant

Co-Listing Agent

$3,690,000
- 5 Beds
- 6.5 Baths
- 8,609 Sq Ft
114 Oak Trail

Bolton, MA
Set discreetly among one of Bolton’s most prestigious addresses, 114 Oak Trail is a custom Transitional Colonial estate—the largest and most significant residence ever built in town. Timeless symmetry and a commanding façade give way to interiors defined by scale and light, beginning with a dramatic double-height foyer and flowing into expansive open living spaces designed for both grand

Dylan Costello Serhant

$925,000
- 2 Beds
- 2 Baths
- 995 Sq Ft
267 Old Colony Ave

Unit 302

Boston, MA
Welcome to Trimount Place—South Boston’s newest Luxury Development is designed to inspire and built to last. Nestled in the city's fastest-growing neighborhood, Trimount Place seats you at the intersection of history and progress. Each residence is thoughtfully designed with 5” white oak floors, Calacatta Colorado quartz countertops, and custom shaker cabinetry in a stylish mix of white and light

Dylan Costello Coldwell Banker Realty - Boston

$649,000
- 1 Bed
- 1 Bath
- 675 Sq Ft
267 Old Colony Ave

Unit 313

Boston, MA
Welcome to Trimount Place—South Boston’s newest Luxury Development is designed to inspire and built to last. Nestled in the city's fastest-growing neighborhood, Trimount Place seats you at the intersection of history and progress. Each residence is thoughtfully designed with 5” white oak floors, Calacatta Colorado quartz countertops, and custom shaker cabinetry in a stylish mix of white and light

Dylan Costello Coldwell Banker Realty - Boston

Other Experience

First Time Home Buyers, Investments, Luxury Homes, New Construction

Agent License: Massachusetts 449596440

Dylan Costello

(857) 776-0921

Homes for Sale by City

Dylan Costello

About Dylan

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Dylan is Experienced In

Dylan's Listings and Deals

Dylan's Open Houses

Dylan's Active Listings

Other Experience