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John V Sinclair

John V Sinclair
Real Estate Agent (Salesperson)
Marietta GA

Salesperson (GA: 257364)

24 years experience

REALTOR® 11 Active Listings Serves Cobb County, GA
View on Realtor.com

Contact Information

Brokerage
Ansley Real Estate

Office Website
Office Address
218 Roswell St Ste 100
Marietta, GA  30060
(Cobb County)
Office Phone
404-480-8805
Office Fax
Mobile
770-605-4755
Email
john**********@********.com
Show Email for $5

Service Areas

Marietta: GA

About John Sinclair

With a legacy of excellence in real estate, this third-generation agent has established a prominent presence in the Metro-Atlanta area. Recognized as the top agent in their office and ranked fourth among individual agents in the Cobb County Association of Realtors for 2016, they bring a wealth of experience and dedication to their clients. Passionate about their work, they are committed to assisting buyers in finding their ideal home and effectively marketing properties for sale. For personalized service and expert guidance, feel free to reach out at any time.

Cobb County, GA Real Estate Market Analysis (Single Family Homes)

$620,385
Avg. Listing Price
From John's portfolio
4.0 / 3.3
Avg. Beds/Baths
Typical property size
2,895 sf
Avg. Square Footage
Interior living space
2743
Active Listings
Current inventory

The Cobb County real estate market stands as one of Georgia's most dynamic and diverse property landscapes, attracting homebuyers and investors with its unique blend of suburban charm and metropolitan convenience. Located just northwest of Atlanta, this thriving county has experienced remarkable growth over the past decade, transforming from a primarily residential area into a major economic hub that rivals many standalone metropolitan areas across the Southeast.

What makes Cobb County particularly fascinating is its ability to maintain distinct neighborhood identities while supporting a robust network of 11,342 total actively licensed agents—all of whom maintain active email communications. This substantial professional presence reflects the area's consistent transaction volume and the complexity of serving such a geographically and economically diverse market.

Major Cobb County, Georgia Real Estate Markets

Marietta serves as the county seat and primary market driver, offering everything from historic downtown condominiums to sprawling estate properties in prestigious neighborhoods like East Cobb. The city's proximity to major employers and its well-established infrastructure make it a consistent performer in both residential and commercial sectors. Meanwhile, Kennesaw has emerged as a surprising hotspot for young professionals and families, particularly around Kennesaw State University, where townhomes and modern subdivisions command premium prices.

Smyrna represents another crucial market segment, with its revitalized downtown area attracting significant investment in mixed-use developments and luxury apartments. The western portions of the county, including Powder Springs and Austell, offer more affordable entry points while still providing access to Atlanta's job market, creating distinct micro-markets that require specialized local expertise to navigate effectively.

Market Dynamics and Geographic Complexity

Cobb County's real estate landscape is characterized by dramatic price variations that can shift within just a few miles, largely influenced by school district boundaries, proximity to major highways like I-75 and I-285, and access to the Silver Comet Trail. The county's unique position as both a destination for Atlanta commuters and a self-contained economic center creates interesting dynamics where properties near corporate headquarters in Cumberland or the Battery Atlanta command different premiums than similar homes in more traditional suburban settings.

One surprising trend involves the increasing demand for properties near the county's expanding entertainment and sports venues, particularly around Truist Park and the surrounding development. This area has seen property values increase substantially, while simultaneously creating new opportunities for short-term rental investments and commercial real estate ventures that didn't exist just five years ago.

Why Businesses Need Cobb County, Georgia Agent Contact Data

With 11,342 agents with email addresses actively working in this market, the competition for client attention and professional partnerships is intense. Mortgage lenders, home inspectors, contractors, and other real estate service providers need direct access to these professionals to build the referral networks essential for success in such a fragmented market. The sheer number of active agents also indicates the volume of transactions requiring ancillary services.

Additionally, companies looking to relocate employees to the area or real estate technology firms seeking to penetrate this market need comprehensive contact data to effectively reach decision-makers. The diversity of property types and price points means that different agents specialize in vastly different market segments, making targeted communication strategies essential for businesses hoping to establish meaningful professional relationships in Cobb County's competitive real estate ecosystem.

Current Property Listings

As of 2/17/2026, John Sinclair has 11 properties for sale in Marietta and surrounding areas. These are the top 10 listings.

$1,750,000

Listed 2025-10-07

298 Saint Marys Ln NW
Marietta, GA  30064

Beds: 5.0
Baths: 4.5
Sq Ft: 4,543
Lot: 15,115 sf
Single Family Map
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$474,900

Listed 2026-01-03

368 Windsor Dr SW
Marietta, GA  30064

Beds: 3.0
Baths: 2.0
Sq Ft: 1,688
Lot: 26,092 sf
Single Family Map
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$525,000

Listed 2026-01-05

554 Russett Ct SW
Marietta, GA  30064

Beds: 4.0
Baths: 2.5
Sq Ft: 3,012
Lot: 19,558 sf
Single Family Map
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$300,000

Listed 2026-01-07

988 Wemberley Ln
Marietta, GA  30064

Beds:
Baths:
Sq Ft:
Lot: 5,097 sf
Land Map
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$985,000

Listed 2025-10-24

29 Sessions St NW
Marietta, GA  30060

Beds: 4.0
Baths: 3.5
Sq Ft: 2,965
Lot: 18,295 sf
Single Family Map
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$1,200,000

Listed 2025-08-27

527 N Saint Marys Ln NW
Marietta, GA  30064

Beds: 4.0
Baths: 3.5
Sq Ft: 3,325
Lot: 44,157 sf
Single Family Map
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$535,000

Listed 2026-02-03

200 Evelyn St NW
Marietta, GA  30064

Beds: 3.0
Baths: 2.0
Sq Ft: 1,939
Lot: 15,246 sf
Single Family Map
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$549,900

Listed 2026-01-21

356 Campbell Hill St NW
Marietta, GA  30060

Beds: 2.0
Baths: 2.5
Sq Ft: 1,550
Lot: 6,534 sf
Single Family Map
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$874,900

Listed 2025-07-23

452 Cherokee St NE
Marietta, GA  30060

Beds: 3.0
Baths: 2.5
Sq Ft: 2,272
Lot: 22,899 sf
Single Family Map
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$275,000

Listed 2025-10-13

984 Wemberley Ln
Marietta, GA  30064

Beds:
Baths:
Sq Ft:
Lot: 5,227 sf
Land Map
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Current Property Rentals

John Sinclair currently has no rental properties available in Marietta and surrounding areas. Check back later.