Glenbrook's Top REALTORS® And Real Estate Agents
Glenbrook is a neighborhood in Marlborough, MA. Here are the Top Real Estate Agents that service Glenbrook.
Median Home Value
$465K
5-Year Change
+62%
Top Agent
(8)
Judy Boyle
RE/MAX Executive Realty
23 Years of experience
14+ Sales in the last 12 months
7 verified sales in Glenbrook
Top 1.46%
in Marlborough, MA
$78.3M
All-Time Sales
$360K - $1.4M
Price Range
Top Agent(89)
Sherri Way
Keller Williams Boston Metrowest
23 Years of experience
1+ Sales in the last 12 months
6 verified sales in Glenbrook
$58.3M
All-Time Sales
$260K - $1.8M
Price Range
36
Sold in Marlborough, MA
Top Agent(31)
Donna Gittelsohn
Coldwell Banker
47 Years of experience
4+ Sales in the last 12 months
5 verified sales in Glenbrook
$108.8M
All-Time Sales
$410K - $1.7M
Price Range
6
Sold in Marlborough, MA
Top Agent(71)
Jennifer Juliano
Keller Williams Realty Boston-MetroWest
26 Years of experience
39+ Sales in the last 12 months
4 verified sales in Glenbrook
Top 2.74%
in Marlborough, MA
$181.4M
All-Time Sales
$390K - $1.9M
Price Range
4%
Negotiated Off List
Top Agent(6)
Sable Homes Metro-West Team
William Raveis Real Estate
11 Years of experience
18+ Sales in the last 12 months
4 verified sales in Glenbrook
Top 2.74%
in Marlborough, MA
$81.2M
All-Time Sales
$400K - $1.3M
Price Range
Top Agent(117)
Chris Kostopoulos
Keller Williams Realty
22 Years of experience
111+ Sales in the last 12 months
4 verified sales in Glenbrook
$754.8M
All-Time Sales
$550K - $5.7M
Price Range
5%
Negotiated Off List
Top Agent(39)
Marlene and John Miller
Century 21 North East
35 Years of experience
56+ Sales in the last 12 months
3 verified sales in Glenbrook
Top 2.74%
in Marlborough, MA
$271.9M
All-Time Sales
$270K - $1.5M
Price Range
5%
Negotiated Off List
Top Agent(113)
Karen Landry
RE/MAX Destiny
36 Years of experience
70+ Sales in the last 12 months
3 verified sales in Glenbrook
Top 2.74%
in Marlborough, MA
$377.3M
All-Time Sales
$490K - $5M
Price Range
5%
Negotiated Off List
Top Agent(164)
Joshua Lioce
LPT Realty - Lioce Properties Group
25 Years of experience
87+ Sales in the last 12 months
3 verified sales in Glenbrook
Top 4.57%
in Marlborough, MA
$532.6M
All-Time Sales
$310K - $2M
Price Range
3%
Negotiated Off List
Top Agent(328)
Nancy Rogers - MA
LAER Realty
43 Years of experience
55+ Sales in the last 12 months
3 verified sales in Glenbrook
$395.3M
All-Time Sales
$310K - $2.5M
Price Range
5%
Negotiated Off List
Top Realtors by Neighborhood in Marlborough, MA
Why you need a Top Real Estate Agent in Glenbrook, Marlborough,MA
Marlborough has 547 active real estate agents for you to choose from. How do you know if you’re selecting the best one in your area? Simple: EffectiveAgents has analyzed the performance history and past transactions of every agent that has sold homes in Glenbrook. Since 2009 we have analyzed how real estate agents perform in Glenbrook and our expertise can help you find the best Realtor to sell your home.
How We Rank Glenbrook Real Estate Agents
Our rankings are built from verified transaction data, not advertising spend. For every agent we analyze more than fifteen performance signals, including recent and all-time sales, days on market, negotiation results, price-point fit, and verified reviews.
Agents cannot pay for placement in these rankings. The underlying data refreshes as new closed transactions are reported, so rankings shift with real market performance. Learn how we rank agents.
Rankings reviewed by Kevin Stuteville, Licensed Florida Real Estate Broker (License BK3068131), Founder of EffectiveAgents.
Data last updated: August 2026
Frequently Asked Questions
You have questions.
Luckily, we have answers.
How many realtors are there in Marlborough?
There are 547 real estate agents in Marlborough
Who are the top real estate agents in and around Glenbrook?
Top selling real estate agents in and around Glenbrook include Judy Boyle, Sherri Way, Donna Gittelsohn, Jennifer Juliano and Sable Homes Metro-West Team.
What is the best time of year to sell a home in the Marlborough area?
Based on the last 24 months of verified MLS market data, homes in the Marlborough area sell fastest and closest to asking price when they go under contract in April. To hit that window, plan to list around March.
What is the median home value in Glenbrook?
The median home value in Glenbrook is $464,613, a gain of 62% over the past five years.
Free Real Estate Calculators
Planning a move in Marlborough? Run the numbers first.