Seth Williams Real Estate Agent - Reference Real Estate

60 Hermon St Unit 3, Winthrop, MA For Sale $539,000 - co-listed by Seth Williams — For Sale $539,000 • Co-Listing Agent

Seth Williams co-listing agent for 31 Herrick Rd, Peabody, MA - sold for $765,000 — Sold $765,000 • Co-Listing Agent

8 Auburn Ct Unit 2, Saugus, MA For Rent $3,400/month - co-listed by Seth Williams — For Rent $3,400/month • Co-Listing Agent

71 Walnut Park, Roxbury, MA For Sale $1,600,000 - co-listed by Seth Williams — For Sale $1,600,000 • Co-Listing Agent

Seth Williams co-listing agent for 8 Lisa Rd, Peabody, MA - sold for $910,000 — Sold $910,000 • Co-Listing Agent

Seth Williams

Boston MA

Reference Real Estate

130 Closed Sales

$104.8M Total Value

$295K - $6.3M Price Range

$806.3K Average Price

Prior 5 years

About Seth

Seth Williams is the founder and team lead of Reference Real Estate, a top 1% real estate team in Massachusetts and the nation. Consistently recognized by Real Trends as a top 1% team in the country, Reference Real Estate was ranked the #1 small team in Massachusetts in 2024 and a Top 20 small team in 2025. With $500 million in lifetime sales volume, a highest sale price of $6.3 million, and over a decade of experience, Seth is one of the most accomplished agents in Greater Boston.

Seth is the #1 listing agent in Winthrop and East Boston over the last three years, and his team specializes in residential real estate across Boston's most desirable neighborhoods, including South Boston, the South End, the North End, Winthrop, East Boston, Revere, and Cambridge. Seth and his team are recognized for their expertise in luxury homes, waterfront properties, condominiums, multi-family investments, and rental properties across every price point in the Boston metro area.

Whether you are buying or selling a luxury waterfront condo on the Boston Harbor, a historic brownstone in the South End or Back Bay, a multi-family investment property in East Boston, or a single-family home in Winthrop or Revere, Seth and the Reference Real Estate team deliver data-driven pricing strategies, modern marketing, and personalized service to achieve top-of-market results on every transaction.

With a team average sale price exceeding $710,000 and a track record that includes FastExpert Top Agent recognition, Seth serves first-time homebuyers, luxury buyers, sellers, and seasoned investors throughout South Boston, the South End, the North End, Back Bay, Beacon Hill, the Seaport District, Winthrop, East Boston, Revere, Cambridge, and Somerville.

Home Types: Multifamily, Condo, House, Townhouse, Commercial

Years of Experience: 11

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	41
Total Value	$37,808,036
Average Sale Price	$922,147
Price Range	$370K - $6.3M

1 Year View by Quarter

Seller Deals
Total Deals	61
Total Value	$54,407,436
Average Sale Price	$891,925
Price Range	$295K - $6.3M

2 Year View by Quarter

Seller Deals
Total Deals	130
Total Value	$104,824,036
Average Sale Price	$806,339
Price Range	$295K - $6.3M

5 Year View

Areas Seth is Experienced In

Seth's Listings and Deals

Seth's Recent Active Listings

Co-Listing Agent

$539,000
- 1 Bed
- 1 Bath
- 1,368 Sq Ft
60 Hermon St

Unit 3

Winthrop, MA
Oversized one bedroom condo in Winthrop's historic Playmakers building, just minutes from Winthrop Center. This bright, modern unit features an open concept living space with cathedral ceilings and hardwood floors throughout. The kitchen offers a large island, stone countertops, stainless steel appliances, a gas stove, and a wine chiller. A spacious bedroom and office sit on the primary floor,

Seth Williams Reference Real Estate

Co-Listing Agent

$1,600,000
- 14 Beds
- 5 Baths
- 4,855 Sq Ft
71 Walnut Park

Roxbury, MA
Colossal income-producing 3-family on the Roxbury/Jamaica Plain line - a rare 14-bedroom investment with 8-plus car off-street parking. The fully de-leaded building offers three large units: a 4-bedroom/1.5-bath, a 5-bedroom/1.5-bath, and a 5-bedroom/1-bath, all renovated in 2016 with granite counters, stainless steel appliances, hardwood floors, updated electrical and plumbing, forced hot air,

Seth Williams Reference Real Estate

Co-Listing Agent

$699,000
- 4 Beds
- 1 Bath
- 1,669 Sq Ft
5 High St

Saugus, MA
Move-in ready 4-bedroom Cape set on a fenced .23-acre lot in an established Saugus neighborhood. The first floor offers a bright living room with hardwood floors and bay windows, a dining room, spacious kitchen, first-floor bedroom ideal for guests or a home office, and convenient laundry. Upstairs are three additional bedrooms, including a spacious primary with a walk-in closet. Outside, the

Seth Williams Reference Real Estate

Co-Listing Agent

$549,000
- 3 Beds
- 1 Bath
- 1,788 Sq Ft
283 Revere St

Unit 2

Winthrop, MA
Second-floor home in the heart of Winthrop, a short walk to the beach, parks, and the golf course. This three-bedroom condominium pairs 1920s character with modern updates. The living and dining rooms feature hardwood flooring, natural woodwork, and built-ins, with bay windows bringing in natural light throughout. The kitchen offers granite counters, stainless steel appliances, a breakfast bar,

Seth Williams Reference Real Estate

Co-Listing Agent

$549,000
- 2 Beds
- 1 Bath
- 928 Sq Ft
16 Billows St

Unit B

Winthrop, MA
This renovated 2-bedroom, 1-bath condo sits in the heart of Winthrop's Point Shirley, offering single-floor living with vaulted ceilings and skylights that give the space a brightness and openness rarely found at this price point. Natural light pours through every room throughout the day, flowing over hardwood floors that run wall to wall and tie the entire living space together seamlessly. Two

Seth Williams Reference Real Estate

Co-Listing Agent

$565,000
- 1 Bed
- 1 Bath
- 973 Sq Ft
21 Lamartine St

Unit 3

Jamaica Plain, MA
Open loft-style penthouse condo with over 970 square feet and 9+ foot ceilings. White walls and light wood flooring throughout create a bright, open layout. Kitchen features white cabinetry, concrete-look countertops, open wood shelving, and stainless steel appliances. Custom light wood spiral staircase leads to the private 500 square foot roof deck, finished with wood decking and open skyline

Seth Williams Reference Real Estate

Co-Listing Agent

$449,900
- 2 Beds
- 2 Baths
- 879 Sq Ft
34 Underhill St

Unit 3

Winthrop, MA
This like-new 2-bedroom, 2 bath condo at 34 Underhill Street delivers the finish level of new construction at a fraction of the cost. Gut renovated and converted in 2020, every detail was approached with care, from the white shaker kitchen with quartz countertops, blue glass tile backsplash, gold hardware, and stainless steel appliances including gas cooking, to the wide plank hardwood floors

Seth Williams Reference Real Estate

Co-Listing Agent

$715,000
- 4 Beds
- 1.5 Baths
- 1,586 Sq Ft
52 Pebble Ave

Winthrop, MA
Cape-style home in Point Shirley, steps from the beach and within Winthrop's most walkable stretch of coastline. Built in 1900 and updated with a remodeled kitchen featuring granite counters and recessed lighting, plus a remodeled full bath with a tiled tub and shower. Original hardwood floors run through the main level and all four bedrooms, paired with bay windows that bring in natural light

Seth Williams Reference Real Estate

Co-Listing Agent

$649,999
- 2 Beds
- 2 Baths
- 1,289 Sq Ft
18 Crestway Rd

Unit 5

Boston, MA
Top floor unit in a newly built three-family, with a private entrance, private staircase, and no one living above you. The front to back layout pulls light through the entire unit from morning into evening, and the open living area, lined with windows and finished in wide plank hardwood, walks straight out to your own private deck. The eat-in kitchen features a quartz waterfall island, farmhouse

Seth Williams Reference Real Estate

Other Experience

First Time Homebuyers, Investments, Luxury Homes, Property Management

Seth Williams

(857) 776-0975

Reference Real Estate

(857) 776-0975

Nearby Homes

Seth Williams

About Seth

Transaction History

Seller Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Production Over Time

5 Year View

Areas Seth is Experienced In

Seth's Listings and Deals

Seth's Recent Active Listings

Other Experience