Best Real Estate Agents in Williamstown, MA• Updated

Looking for the best real estate agent in Williamstown, MA? This page ranks the top realtors in Williamstown by actual transaction data — not reviews or paid ads. Whether you want to find a top listing agent in Williamstown, MA or buy a home in Williamstown, our 2026 rankings use verified sales records, days on market, and price retention to surface the highest-performing agents.

Market Pulse
|Real-time Analysis

Market Pulse: Balanced ⚖️

The Williamstown, MA real estate market is currently a Balanced Market. Homes are retaining 99% of their value (Sale Price to List Price Ratio). With 21 active listings and 6 closed sales this month, inventory remains at 5.5 months of supply. Trends over the last half-year show median values moving down by 7%, while Average Days on Market has decreased by 21%. Listings in Williamstown are moving 17 days faster than the Berkshire average.

Top Listing & Buyer's Agents in Williamstown, MA

Detached Homes

258MarAprMayJunJulAug
Sales Volume
Sales volume has grown by 26% over the last 6 months, showing a positive trend with currently 2 transactions.
Entry Level Detached Home Market Trends
Median Price
Market Trend
$188K$284K$380KMarAprMayJunJulAugPaul Harsch III (Buyer): Median Price $350KPIAllison Pacelli (Buyer): Median Price $210KAP
The average price in the Entry Level Detached Home segment has risen by 27% over the last 3 months.
Days On Market Avg.
Market Trend
29d91d153dMarAprMayJunJulAugPaul Harsch III (Buyer): Days On Market Avg. 139dPIAllison Pacelli (Buyer): Days On Market Avg. 67dAP
Lower is better
Days on market for Entry Level Detached Home is decreasing, with homes now staying on market for 56 days on average.
Sale Price to List Price Ratio
Market Trend
83%88%93%MarAprMayJunJulAugPaul Harsch III (Buyer): Sale-to-List Ratio 88%PIAllison Pacelli (Buyer): Sale-to-List Ratio 84%AP
Higher is better
Lower is better
Seller leverage in the Entry Level Detached Home market is strengthening, with the Sale Price to List Price Ratio now at 92%.
Entry Level Detached Home Segment
($120K - $360K)
DEALS
12
AVG. DOM
66d
Sale Price to List Price Ratio
92%
CZ
Colleen Zajac
Top Seller
1-3
30-60 days
100%
SC
Susan Colvin
Top Seller
1-3
30-60 days
100%
JR
Jessica Rizzo
Top Seller
1-3
15-30 days
99%
CB
Collin Boucher
Top Seller
1-3
30-60 days
97%
TD
Tina Dobbert
Top Seller
1-3
30-60 days
97%
PI
Paul Harsch III
Top Buyer
1-3
> 60 days
92%
ST
Sean Taylor
Top Buyer
1-3
30-60 days
93%
AP
Allison Pacelli
Top Buyer
1-3
> 60 days
84%
CB
Corey Bishop
Top Buyer
1-3
> 60 days
87%
SB
Syrah Bradley
Top Buyer
1-3
> 60 days
87%
Mid-Market Detached Home Market Trends
Median Price
Market Trend
$404K$550K$696KMarAprMayJunJulAugJane Miller (Buyer): Median Price $662KJMJane Miller (Buyer): Median Price $625KJMMatthew Chow (Buyer): Median Price $563KMCMatthew Chow (Buyer): Median Price $545KMCDante Cellana (Buyer): Median Price $438KDCMatthew Chow (Seller): Median Price $549KMCMatthew Chow (Seller): Median Price $495KMCSeth Alden (Seller): Median Price $545KSASeth Alden (Seller): Median Price $495KSASeth Alden (Seller): Median Price $438KSACarolyn Umlauf (Seller): Median Price $563KCU
The average price in the Mid-Market Detached Home segment has softened by 8% over the last 5 months.
Days On Market Avg.
Market Trend
21d94d167dMarAprMayJunJulAugJane Miller (Buyer): Days On Market Avg. 51dJMJane Miller (Buyer): Days On Market Avg. 150dJMMatthew Chow (Buyer): Days On Market Avg. 60dMCMatthew Chow (Buyer): Days On Market Avg. 85dMCDante Cellana (Buyer): Days On Market Avg. 56dDCMatthew Chow (Seller): Days On Market Avg. 63dMCMatthew Chow (Seller): Days On Market Avg. 44dMCSeth Alden (Seller): Days On Market Avg. 85dSASeth Alden (Seller): Days On Market Avg. 38dSASeth Alden (Seller): Days On Market Avg. 56dSACarolyn Umlauf (Seller): Days On Market Avg. 60dCU
Lower is better
Days on market for Mid-Market Detached Home is decreasing, with homes now staying on market for 58 days on average.
Sale Price to List Price Ratio
Market Trend
86%99%112%MarAprMayJunJulAugJane Miller (Buyer): Sale-to-List Ratio 95%JMJane Miller (Buyer): Sale-to-List Ratio 89%JMMatthew Chow (Buyer): Sale-to-List Ratio 105%MCMatthew Chow (Buyer): Sale-to-List Ratio 99%MCDante Cellana (Buyer): Sale-to-List Ratio 97%DCMatthew Chow (Seller): Sale-to-List Ratio 100%MCMatthew Chow (Seller): Sale-to-List Ratio 109%MCSeth Alden (Seller): Sale-to-List Ratio 99%SASeth Alden (Seller): Sale-to-List Ratio 100%SASeth Alden (Seller): Sale-to-List Ratio 97%SACarolyn Umlauf (Seller): Sale-to-List Ratio 105%CU
Higher is better
Lower is better
Seller leverage in the Mid-Market Detached Home market is strengthening, with the Sale Price to List Price Ratio now at 101%.
Mid-Market Detached Home Segment
($400K - $700K)
DEALS
19
AVG. DOM
70d
Sale Price to List Price Ratio
98%
MC
Matthew Chow
Top Seller
1-3
30-60 days
102%
GE
Gintare Everett
Top Seller
1-3
> 60 days
100%
SA
Seth Alden
Top Seller
1-3
30-60 days
99%
ES
Erin Scott
Top Seller
1-3
30-60 days
98%
CU
Carolyn Umlauf
Top Seller
1-3
30-60 days
105%
JM
Jane Miller
Top Buyer
1-3
> 60 days
88%
CU
Carolyn Umlauf
Top Buyer
1-3
30-60 days
97%
MC
Matthew Chow
Top Buyer
1-3
> 60 days
102%
RG
Rick Gillespie
Top Buyer
1-3
> 60 days
95%
DC
Dante Cellana
Top Buyer
1-3
30-60 days
97%
High-End Detached Home Market Trends
Median Price
Market Trend
$733K$850K$967KMarAprMayJunJulAugPaul Harsch III (Buyer): Median Price $768KPIMatthew Chow (Buyer): Median Price $940KMCMaureen Dietze (Buyer): Median Price $940KMDRebecca Cellana (Seller): Median Price $782KRCRebecca Gold (Seller): Median Price $940KRGMichael Zeppieri (Seller): Median Price $785KMZRebecca Polumbo (Seller): Median Price $785KRP
The average price in the High-End Detached Home segment has softened by 18% over the last 3 months.
Days On Market Avg.
Market Trend
51d83d114dMarAprMayJunJulAugPaul Harsch III (Buyer): Days On Market Avg. 80dPIMatthew Chow (Buyer): Days On Market Avg. 58dMCMaureen Dietze (Buyer): Days On Market Avg. 58dMDRebecca Cellana (Seller): Days On Market Avg. 74dRCRebecca Gold (Seller): Days On Market Avg. 58dRGMichael Zeppieri (Seller): Days On Market Avg. 107dMZRebecca Polumbo (Seller): Days On Market Avg. 107dRP
Lower is better
Days on market for High-End Detached Home is increasing, with homes now staying on market for 84 days on average.
Sale Price to List Price Ratio
Market Trend
92%97%101%MarAprMayJunJulAugPaul Harsch III (Buyer): Sale-to-List Ratio 93%PIMatthew Chow (Buyer): Sale-to-List Ratio 95%MCMaureen Dietze (Buyer): Sale-to-List Ratio 95%MDRebecca Cellana (Seller): Sale-to-List Ratio 98%RCRebecca Gold (Seller): Sale-to-List Ratio 95%RGMichael Zeppieri (Seller): Sale-to-List Ratio 99%MZRebecca Polumbo (Seller): Sale-to-List Ratio 99%RP
Higher is better
Lower is better
Seller leverage in the High-End Detached Home market is strengthening, with the Sale Price to List Price Ratio now at 97%.
High-End Detached Home Segment
($750K - $940K)
DEALS
10
AVG. DOM
72d
Sale Price to List Price Ratio
96%
RC
Rebecca Cellana
Top Seller
1-3
> 60 days
98%
RG
Rebecca Gold
Top Seller
1-3
30-60 days
97%
MZ
Michael Zeppieri
Top Seller
1-3
> 60 days
99%
RP
Rebecca Polumbo
Top Seller
1-3
> 60 days
99%
JL
Jeffrey Loholdt
Top Seller
1-3
30-60 days
96%
JM
Jane Miller
Top Buyer
1-3
> 60 days
84%
KB
Kim Burnham
Top Buyer
1-3
> 60 days
92%
PI
Paul Harsch III
Top Buyer
1-3
> 60 days
93%
MC
Matthew Chow
Top Buyer
1-3
30-60 days
95%
MD
Maureen Dietze
Top Buyer
1-3
30-60 days
95%
Ultra-Luxury Detached Home Market Trends
Median Price
Market Trend
$1.1M$1.1M$1.1MMarAprMayJunJulAugRebecca Cellana (Buyer): Median Price $1.1MRCMaureen Dietze (Seller): Median Price $1.1MMD
The Ultra-Luxury Detached Home tier commands a price of $1.1M.
Days On Market Avg.
Market Trend
118d118d118dMarAprMayJunJulAugRebecca Cellana (Buyer): Days On Market Avg. 118dRCMaureen Dietze (Seller): Days On Market Avg. 118dMD
Lower is better
Detached Home homes in the Ultra-Luxury range average 118 days on market.
Sale Price to List Price Ratio
Market Trend
94%95%95%MarAprMayJunJulAugRebecca Cellana (Buyer): Sale-to-List Ratio 95%RCMaureen Dietze (Seller): Sale-to-List Ratio 95%MD
Higher is better
Lower is better
Sellers of Ultra-Luxury Detached Home assets receive 95% of list price.
Ultra-Luxury Detached Home Segment
($1.1M - $1.2M)
DEALS
2
AVG. DOM
108d
Sale Price to List Price Ratio
87%
MD
Maureen Dietze
Top Seller
1-3
> 60 days
95%
CZ
Colleen Zajac
Top Seller
1-3
> 60 days
78%
SC
Susan Colvin
Top Seller
1-3
> 60 days
78%
RG
Rebecca Gold
Top Buyer
1-3
> 60 days
78%
RC
Rebecca Cellana
Top Buyer
1-3
> 60 days
95%

Condo/Co-op

11.52AprAug
Sales Volume
Sales volume has decreased by 50% over the last 2 months, showing a downward trend with currently 1 transactions.
Entry Level Condo/Co-op Market Trends
Median Price
Market Trend
$220K$220K$220KMarAprMayJunJulAugAlyssa Sherman (Buyer): Median Price $220KASHannah Klammer (Buyer): Median Price $220KHKAlyssa Sherman (Seller): Median Price $220KAS
The Entry Level Condo/Co-op tier commands a price of $220K.
Days On Market Avg.
Market Trend
138d138d138dMarAprMayJunJulAugAlyssa Sherman (Buyer): Days On Market Avg. 138dASHannah Klammer (Buyer): Days On Market Avg. 138dHKAlyssa Sherman (Seller): Days On Market Avg. 138dAS
Lower is better
Condo/Co-op homes in the Entry Level range average 138 days on market.
Sale Price to List Price Ratio
Market Trend
93%94%94%MarAprMayJunJulAugAlyssa Sherman (Buyer): Sale-to-List Ratio 94%ASHannah Klammer (Buyer): Sale-to-List Ratio 94%HKAlyssa Sherman (Seller): Sale-to-List Ratio 94%AS
Higher is better
Lower is better
Sellers of Entry Level Condo/Co-op assets receive 94% of list price.
Entry Level Condo/Co-op Segment
($200K - $240K)
DEALS
4
AVG. DOM
89d
Sale Price to List Price Ratio
96%
KB
Kim Burnham
Top Seller
1-3
30-60 days
100%
KS
Kramer Steffens
Top Seller
1-3
30-60 days
100%
PR
Pamela Roberts
Top Seller
1-3
> 60 days
97%
TH
Terry HarronLamb
Top Seller
1-3
> 60 days
95%
AS
Alyssa Sherman
Top Seller
1-3
> 60 days
94%
AS
Alyssa Sherman
Top Buyer
1-3
> 60 days
94%
HK
Hannah Klammer
Top Buyer
1-3
> 60 days
94%
TH
Terry HarronLamb
Top Buyer
1-3
> 60 days
95%
MC
Matthew Chow
Top Buyer
1-3
> 60 days
97%
GJ
Gary Fuls Jr
Top Buyer
1-3
30-60 days
100%
Mid-Market Condo/Co-op Market Trends
Median Price
Market Trend
$526K$610K$695KMarAprMayJunJulAugSarah Haskins (Buyer): Median Price $545KSHChe Frey (Buyer): Median Price $675KCFSarah Haskins (Seller): Median Price $545KSHDanielle Giulian (Seller): Median Price $675KDGMaggie Gavin (Seller): Median Price $675KMG
The average price in the Mid-Market Condo/Co-op segment has softened by 19% over the last 2 months.
Days On Market Avg.
Market Trend
33d38d43dMarAprMayJunJulAugSarah Haskins (Buyer): Days On Market Avg. 42dSHChe Frey (Buyer): Days On Market Avg. 34dCFSarah Haskins (Seller): Days On Market Avg. 42dSHDanielle Giulian (Seller): Days On Market Avg. 34dDGMaggie Gavin (Seller): Days On Market Avg. 34dMG
Lower is better
Days on market for Mid-Market Condo/Co-op is increasing, with homes now staying on market for 42 days on average.
Sale Price to List Price Ratio
Market Trend
100%100%100%MarAprMayJunJulAugSarah Haskins (Buyer): Sale-to-List Ratio 100%SHChe Frey (Buyer): Sale-to-List Ratio 100%CFSarah Haskins (Seller): Sale-to-List Ratio 100%SHDanielle Giulian (Seller): Sale-to-List Ratio 100%DGMaggie Gavin (Seller): Sale-to-List Ratio 100%MG
Higher is better
Lower is better
Negotiation leverage in Mid-Market Condo/Co-op has stabilized over the last 2 months, with sellers receiving 100%.
Mid-Market Condo/Co-op Segment
($450K - $680K)
DEALS
4
AVG. DOM
38d
Sale Price to List Price Ratio
100%
SH
Sarah Haskins
Top Seller
1-3
30-60 days
100%
DG
Danielle Giulian
Top Seller
1-3
30-60 days
100%
MG
Maggie Gavin
Top Seller
1-3
30-60 days
100%
SH
Sarah Haskins
Top Buyer
1-3
30-60 days
100%
CF
Che Frey
Top Buyer
1-3
30-60 days
100%

Williamstown Real Estate Market Trends September 2026

Total Active Listings
21
Recently Listed (7d)
0
market entries
Average List Price
$704K
current avg.

Inventory Breakdown by Segment

Property TypeEntry LevelHigh-EndMid-MarketUltra-LuxuryTotal
Condo/Co-op
2
1
4
7
Detached Home
3
5
3
3
14

Market Insights & FAQ

How is the real estate market in Williamstown, MA performing right now?

The data indicates a stable environment in Williamstown, MA. Inventory is at 5.5 months, meaning a balanced environment with steady turnover. Inventory levels provide a healthy range of options for prospective buyers.

What are the current pricing trends for Williamstown, MA real estate?

Currently, $541,000 represents the median entry point in Williamstown, MA. Over the past half-year, home values in Williamstown have moved downward by approximately 7% based on regional transaction data.

Are sellers in Williamstown, MA getting their full asking price?

Buyers have room for negotiation in Williamstown, MA, with a Sale Price to List Price Ratio of 98.5%. On average, properties in Williamstown are transitioning from active to sold status in 52 days.

Who is the best agent to sell my home in Williamstown?

Based on closed transaction data, Matthew Chow ranks at the top of our Williamstown leaderboard — with 3 completed transactions on record earning an algorithm performance score of 47. Agent Algo's rankings are built entirely from real deal outcomes — not reviews or paid placements — so this reflects actual results in the local market.

How does the Williamstown, MA market compare to Berkshire trends?

Williamstown, MA maintains a distinct profile within the broader Berkshire region. Median home values are currently 1% higher than the regional average, reflecting the unique demand and inventory dynamics of Williamstown.

Which agent is best for buying a Mid-Market Detached Home in Williamstown, MA?

Buyers targeting Mid-Market Detached Home homes in Williamstown, MA may want to work with Jane Miller. Their buyer closings in this segment show a sale-to-list ratio that's more favorable than the local average — a signal of effective negotiation that keeps final purchase prices competitive for buyers.

Who is a top listing agent for Mid-Market Detached Home homes in Williamstown, MA?

Our transaction-level analysis puts Matthew Chow at the top for Mid-Market Detached Home listings in Williamstown, MA. The data points to a dual edge here: shorter time on market than is typical for this segment, and sale prices that hold closer to — or above — the asking price compared to local norms.

Which agent is best for buying a Entry Level Detached Home in Williamstown, MA?

If you're hunting for a Entry Level Detached Home in Williamstown, MA, Paul Harsch III's track record speaks for itself. Buying effectively in this segment means knowing when and how hard to push. Their track record here shows they regularly outperform the local sale-to-list benchmark — in the buyer's favor.

Who is a top listing agent for Mid-Market Condo/Co-op homes in Williamstown, MA?

Sarah Haskins has been particularly active in Williamstown's Mid-Market Condo/Co-op segment, and the numbers back it up. They've built a consistent track record in the Mid-Market Condo/Co-op category specifically — not just broad volume, but demonstrated results in this exact niche in Williamstown, MA.

Which agent is best for buying a Mid-Market Condo/Co-op in Williamstown, MA?

Sarah Haskins has a strong showing as a buyer's agent in Williamstown's Mid-Market Condo/Co-op market. Our algorithm surfaces Sarah Haskins based on actual closed buyer deals in the Mid-Market Condo/Co-op market. That's the kind of specific, verifiable track record buyers should look for in an agent.

Which agent is best for buying a Entry Level Multi-Family (2-4 Unit) in Williamstown, MA?

For those looking to purchase a Entry Level Multi-Family (2-4 Unit) in Williamstown, MA, Sean Taylor has the deal history to support the choice. Buying in the Entry Level Multi-Family (2-4 Unit) space has its own dynamics. Sean Taylor's history of closed deals in this exact category in Williamstown, MA shows they understand those dynamics well.

Who is a top listing agent for High-End Detached Home homes in Williamstown, MA?

In the High-End Detached Home category, few agents in Williamstown, MA can match the track record of Rebecca Cellana. Their High-End Detached Home closings in Williamstown, MA show an above-average sale-to-list ratio for this segment — a sign of skilled pricing and negotiation that protects seller value.

Which agent is best for buying a Ultra-Luxury Detached Home in Williamstown, MA?

Rebecca Gold has helped buyers close on Ultra-Luxury Detached Home properties in Williamstown, MA — and the data shows it. The data shows a consistent pattern across their deals here: shorter time to close than the segment average, and acquisition terms that tend to land below-average relative to list price. Two things buyers care about most.