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Mary Summerville

Mary Summerville
Real Estate Agent (Broker)
Evanston IL

Broker (IL: 475091422)

40 years experience

REALTOR® 9 Active Listings Serves Cook County, IL
View on Realtor.com

Contact Information

Brokerage
Coldwell Banker
Office Address
1710 Central St
Evanston, IL  60201-1243
(Cook County)
Office Phone
847-866-8200
Office Fax
Mobile
847-507-2644
Email
m***@*******************.com
Show Email for $5

Service Areas

Glenview: IL Green Oaks: IL Mettawa: IL Lincolnshire: IL Lake Forest: IL Skokie: IL Wilmette: IL Winnetka: IL Glencoe: IL Northfield: IL Evanston: IL Chicago: IL Lincolnwood: IL

About Mary Summerville

### About Mary & The Summerville Partners Team

With over three decades of experience and more than 600 successful transactions, the Summerville Partners Team has established a strong reputation in the real estate market, achieving sales exceeding half a billion dollars. Led by Mary Summerville, the team is committed to a client-focused approach that emphasizes market expertise, exceptional service, and unwavering integrity.

Mary and her team continually refine their skills and adapt their strategies to stay ahead of market trends. Utilizing cutting-edge technology and systems, they effectively identify and secure prime opportunities while negotiating optimal outcomes for their clients. This collaborative approach ensures that each client receives personalized attention, diligence, and industry insight. Their mission is to provide clients with peace of mind, knowing they are supported by professionals dedicated to their best interests. For Mary and her team, professionalism means consistently surpassing client expectations, with relationships beginning at the closing table and extending well beyond.

Mary has been a prominent figure in the Chicago and North Shore real estate markets for over 30 years, specializing in single-family homes, condominiums, and developments. Her longevity through various market cycles reflects her adaptability and comprehensive market knowledge. Mary’s expertise in value assessment and negotiation fosters confidence in her clients, ensuring they navigate the complexities of real estate transactions with ease. Recognizing the emotional and financial aspects of buying and selling homes, she is dedicated to achieving the best possible outcomes for her clients.

As a Senior Real Estate Specialist, Mary collaborates with multiple generations to assist families in finding their ideal homes. The Summerville Partners Team ranks in the top 1% of agents in the Chicagoland area and the top 5% statewide, as recognized by the Chicago Association of Realtors. Mary has received numerous accolades, including being named one of the Most Influential Real Estate Brokers by Crain’s Chicago Business. A significant portion of the team's business comes from repeat clients and referrals, underscoring their commitment to excellence.

**Professional Credentials:**
- Certified Luxury Home Marketing Specialist
- E-Pro Designation
- Senior Real Estate Specialist (SRES)
- Specialized expertise in condominium development and new construction of single-family homes
- Licensed Broker in Illinois and Arizona
- Member of the National Association of Realtors
- Member of the Chicago Association of Realtors
- Member of the Illinois Association of Realtors
- Member of the Arizona and Scottsdale Association of Realtors
- Former Member and Director of the North Shore Board of Realtors
- Consistent Multi-Million Dollar Producer, recognized among the Top 100 Brokers in Chicago for multiple years
- Five Star Professional award recipient for several consecutive years
- Life Member of the Chicago Association of Realtors Multi-Million Dollar Club
- Gold, Silver, and Bronze President's Club member of the Illinois Association of Realtors

Cook County, IL Real Estate Market Analysis (Single Family Homes)

$459,965
Avg. Listing Price
From Mary's portfolio
3.4 / 2.4
Avg. Beds/Baths
Typical property size
1,950 sf
Avg. Square Footage
Interior living space
7804
Active Listings
Current inventory

Cook County, Illinois represents one of the most dynamic and complex real estate markets in the Midwest, anchored by Chicago's towering skyline and extending through diverse suburban communities that each tell their own economic story. With 33,218 actively licensed real estate agents operating throughout the county, this market demonstrates both the incredible opportunity and intense competition that defines second-city real estate dynamics.

What makes Cook County particularly fascinating is how dramatically property values and market conditions can shift within just a few miles. From the luxury high-rises of downtown Chicago's Gold Coast to the emerging neighborhoods of Pilsen and Logan Square, agents navigate everything from million-dollar penthouses to first-time homebuyer opportunities in communities like Des Plaines and Schaumburg. The sheer density of professional representation—with all 33,218 agents maintaining current email contact information—reflects a market where digital communication and rapid response times often determine success.

Major Cook County, Illinois Real Estate Markets

Chicago's downtown core and near-north neighborhoods like Lincoln Park and Lakeview continue to drive luxury sales, while suburban markets in Arlington Heights, Palatine, and Evanston attract families seeking top-rated schools and larger properties. The western suburbs, including Oak Park and Forest Park, have experienced surprising growth as buyers seek historic charm with convenient city access, often finding better value than comparable properties closer to the lakefront.

Meanwhile, emerging areas like Bridgeport and McKinley Park are seeing increased investor activity and young professional migration, creating micro-markets where agents specializing in renovation properties and new construction developments can build substantial businesses. The county's proximity to O'Hare Airport has also strengthened markets in Rosemont and Park Ridge, where corporate relocations drive consistent demand.

Market Dynamics and Geographic Complexity

Cook County's real estate landscape operates on multiple economic levels simultaneously, with luxury lakefront properties appreciating at different rates than suburban family homes or urban investment properties. Seasonal patterns here are more pronounced than in many markets, with winter months creating opportunities for serious buyers while spring and summer bring competitive bidding situations, particularly in desirable school districts like those found in Wilmette and Winnetka.

The market's complexity extends to financing and development regulations that vary significantly between Chicago proper and suburban municipalities. Agents must navigate everything from historic district restrictions in Oak Park to new construction incentives in developing areas, making local expertise invaluable for both buyers and sellers trying to understand their options across different communities.

Why Businesses Need Cook County, Illinois Agent Contact Data

Mortgage lenders, title companies, and real estate service providers require direct access to Cook County's extensive agent network because referral relationships and local partnerships drive business volume in this competitive market. With 33,218 agents actively working deals, companies that can efficiently reach the right professionals with relevant services—from staging companies to inspection services—gain significant advantages in building market share.

Insurance providers, financial advisors, and home improvement contractors particularly benefit from targeted outreach to agents specializing in specific property types or geographic areas within the county. The ability to communicate directly via email with agents handling luxury properties differs vastly from those focusing on first-time buyers, making precise contact data essential for effective business development and partnership building.

Current Property Listings

As of 2/17/2026, Mary Summerville has 9 properties for sale in Evanston and surrounding areas.

$547,500

Listed 2026-01-28

3836 W Estes Ave
Lincolnwood, IL  60712

Beds: 3.0
Baths: 2.0
Sq Ft: 1,700
Single Family Map
View Full Details

$749,000

Listed 2026-01-14

180 E Pearson St Apt 4202
Chicago, IL  60611

Beds: 2.0
Baths: 2.0
Sq Ft: 1,775
Condos Map
View Full Details

$499,000

Listed 2026-01-16

1811 South Blvd
Evanston, IL  60202

Beds: 2.0
Baths: 3.0
Sq Ft: 1,700
Single Family Map
View Full Details

$550,000

Listed 2026-01-23

1515 Monroe St Apt A
Evanston, IL  60202

Beds: 2.0
Baths: 3.5
Sq Ft: 1,784
Townhomes Map
View Full Details

$399,950

Listed 2026-01-02

807 Davis St Unit 403
Evanston, IL  60201

Beds: 2.0
Baths: 2.0
Sq Ft: 1,386
Condos Map
View Full Details

$799,000

Listed 2026-01-16

1201 Noyes St
Evanston, IL  60201

Beds: 4.0
Baths: 2.0
Sq Ft: 2,200
Single Family Map
View Full Details

$1,299,000

Listed 2026-01-30

1115 Colfax St
Evanston, IL  60201

Beds: 6.0
Baths: 4.5
Sq Ft: 3,300
Single Family Map
View Full Details

$699,000

Listed 2025-07-28

714 Seward St
Evanston, IL  60202

Beds: 4.0
Baths: 1.0
Sq Ft: 1,900
Single Family Map
View Full Details

$339,000

Listed 2025-12-10

8650 Ferris Ave Unit 203
Morton Grove, IL  60053

Beds: 3.0
Baths: 2.0
Sq Ft: 1,800
Condos Map
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Current Property Rentals

As of 1/31/2026, Mary Summerville has the following rental properties available in Evanston and surrounding areas.

$2,000

Listed 2026-01-26

2607 McDaniel Ave
Evanston, IL  60201

Beds: 1.0
Baths: 1.0
Sq Ft: 1,200
Single Family Map
View Full Details

$3,500

Listed 2025-12-30

2429 Central St
Evanston, IL  60201

Beds: 3.0
Baths: 1.5
Sq Ft: 1,800
Single Family Map
View Full Details