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Diane H Sterling

Diane H Sterling
Real Estate Agent (Broker Sales)
Oviedo FL

Broker Sales (FL: 505468)

38 years experience

REALTOR® 3 Active Listings Serves Seminole County, FL
View on Realtor.com

Contact Information

Brokerage
Keller Williams Advantage Rlty
Office Address
59 Alafaya Woods Blvd Ste A
Oviedo, FL  32765
(Seminole County)
Office Phone
407-977-7600
Office Fax
407-393-5911
Mobile
407-761-0512
Email
dian*@*************.com
Show Email for $5

Service Areas

Altamonte Springs: FL South Apopka: FL Clarcona: FL Paradise Heights: FL Lockhart: FL Forest City: FL Apopka: FL Casselberry: FL Fern Park: FL Winter Springs: FL Christmas: FL Pine Hills: FL Hiawassee: FL Plymouth: FL Zellwood: FL Geneva: FL Goldenrod: FL Aloma: FL Mid Florida: FL Heathrow: FL Lake Mary: FL Sanford: FL Lake Monroe: FL Longwood: FL Eatonville: FL Maitland: FL Black Hammock: FL Oviedo: FL Chuluota: FL Midway: FL Glenwood: FL Wekiva Springs: FL Wekiwa Springs: FL Orlando: FL Fairview Shores: FL Winter Park: FL Holden Heights: FL Conway: FL Edgewood: FL Azalea Park: FL Oak Ridge: FL Belle Isle: FL Sky Lake: FL Pine Castle: FL Orlovista: FL Kennedy Space Center: FL University: FL Alafaya: FL Union Park: FL Tangelo Park: FL Bay Hill: FL Sand Lake: FL Doctor Phillips: FL Bithlo: FL Williamsburg: FL Southchase: FL Meadow Woods: FL Taft: FL Rio Pinar: FL Lake Hart: FL Lake Mary Jane: FL Wedgefield: FL

About Diane Sterling

Diane Sterling, a Realtor and Broker Associate with Keller Williams Advantage Realty, has established herself as a distinguished figure in the Greater Orlando and Central Florida real estate market. With a career spanning since 1987, she has navigated the complexities of the real estate landscape, demonstrating unwavering professionalism and integrity. Diane prioritizes effective communication and diligent follow-up, ensuring her clients feel supported throughout their real estate journeys.

Rather than viewing her role as merely transactional, Diane considers herself a professional consultant dedicated to guiding clients through significant life changes associated with buying, selling, or investing in property. Her commitment to prioritizing her clients' needs over sales has fostered a loyal clientele, with a substantial portion of her business stemming from referrals and repeat customers. Diane's availability and responsiveness, seven days a week, further enhance her reputation in the industry.

Her dedication and expertise have consistently placed her at the forefront of her field, earning her the title of Number 1 Single Agent in her offices for eight out of the past eleven years. According to the Orlando Regional Realtors Association (ORRA), Diane ranks in the top 1% of Realtors in the area. She has also been recognized as a member of ORRA's Top Producers Club at both the Silver and Top Gold Levels of production, a distinction awarded to her multiple times between 2014 and 2017.

While Diane specializes in Seminole and Orange Counties, she is also adept at serving clients in surrounding areas upon request. Her motto, “Sterling Service…Sterling Results,” reflects her commitment to excellence.

Diane's extensive qualifications include:

- Master’s Degree from the University of Central Florida
- Bachelor of Arts Degree from the University of Maryland

**Awards and Recognition:**
- Top Individual Sales Associate at her brokerages for eight of the past eleven years
- Consistently ranked in the top 1% of Central Florida Realtors by ORRA for listings and sales
- National recognition from The Realty Alliance for outstanding sales performance
- Featured in Orlando Magazine's 'Hot 100' Realtors eight times since 2008, including 2018
- Recipient of Orlando Magazine’s 'FIVE STAR BEST-IN-CLIENT-SATISFACTION' award for exceptional customer service, awarded seven times since 2008, including 2018
- One of only ten Realtors in Central Florida to receive the REALTOR COM’s Award of Excellence for online marketing (2010)

**Certifications and Designations:**
- Accredited Buyer’s Representative (ABR)
- Accredited Home Staging Specialist (AHS)
- Accredited Luxury Home Specialist (ALHS)
- Certified International Property Specialist (CIPS)
- Certified Luxury Home Marketing Specialist (CLHMS)
- Certified Residential Specialist (CRS)
- Foreclosure/REO Resource Specialist (REO)
- Short Sale and Foreclosure Specialist (SFR)
- Senior Real Estate Specialist (SRES)
- Seller Representative Specialist (SRS)
- Transnational Referral Certification (TRC)

Diane's philosophy centers on building lasting relationships based on trust and confidence. She aspires to be her clients' Realtor for life, offering the expertise and work ethic necessary for successful real estate transactions, whether they involve buying, selling, or investing.

Seminole County, FL Real Estate Market Analysis (Single Family Homes)

$617,890
Avg. Listing Price
From Diane's portfolio
3.7 / 2.7
Avg. Beds/Baths
Typical property size
2,363 sf
Avg. Square Footage
Interior living space
1482
Active Listings
Current inventory

Seminole County, Florida represents one of Central Florida's most dynamic and diverse real estate markets, strategically positioned between Orlando's urban core and the state's pristine natural landscapes. With 9,942 total actively licensed agents serving the region, this market demonstrates remarkable depth and professional expertise that reflects the county's complex mix of suburban growth, luxury developments, and established communities.

The concentration of 9,942 agents with email accessibility underscores how technology-forward this market has become, enabling seamless communication in a region where timing often determines success. From the historic charm of Sanford's waterfront properties to the master-planned communities of Lake Mary and the rural estates scattered throughout Geneva and Chuluota, Seminole County offers an unusual breadth of property types that keeps agents specializing across multiple niches.

Major Seminole County, Florida Real Estate Markets

Lake Mary and Heathrow anchor the county's luxury market segment, featuring corporate headquarters, upscale shopping, and some of Central Florida's most prestigious residential developments. These areas attract executives and professionals seeking proximity to Orlando's business districts while maintaining a suburban lifestyle. Meanwhile, Sanford's historic downtown has experienced a remarkable renaissance, with waterfront condominiums and restored bungalows drawing young professionals and retirees alike to its walkable, arts-focused community.

The county's eastern communities, including Oviedo, Winter Springs, and Casselberry, represent the sweet spot for family-oriented buyers seeking excellent schools and established neighborhoods. Longwood and Altamonte Springs provide more affordable entry points while still offering convenient access to major employment centers. Each market segment requires specialized knowledge, from understanding flood zones near the St. Johns River to navigating HOA regulations in master-planned developments.

Market Dynamics and Geographic Complexity

Seminole County's real estate landscape reflects Florida's broader trend toward suburban densification, but with unique challenges posed by environmental constraints and infrastructure limitations. The county's position along the St. Johns River creates desirable waterfront opportunities while requiring agents to understand complex flood insurance requirements and environmental regulations. Additionally, the proximity to major theme parks generates significant investment property demand, particularly in communities with short-term rental potential.

Inventory levels fluctuate dramatically between different price points and property types, with luxury lakefront homes often sitting longer while starter homes in school-zoned areas move rapidly. The county's mix of new construction in areas like Lake Mary and historic properties in Sanford creates pricing complexity that requires local expertise to navigate effectively.

Why Businesses Need Seminole County, Florida Agent Contact Data

Mortgage brokers, insurance providers, and home service companies find Seminole County's agent network particularly valuable due to the high transaction volume and diverse property types requiring specialized services. The 9,942 licensed professionals represent a sophisticated referral network for businesses offering everything from luxury home insurance to septic system maintenance for rural properties.

Technology companies and marketing firms targeting real estate professionals benefit from this market's tech-savvy agent base, with universal email adoption indicating openness to digital tools and services. The county's position as a growing suburban market means agents actively seek competitive advantages through new technologies, creating opportunities for PropTech companies and service providers looking to establish relationships in Florida's expanding real estate sector.

Current Property Listings

As of 2/11/2026, Diane Sterling has 3 properties for sale in Oviedo and surrounding areas.

$725,000

Listed 2026-02-03

5833 Maggiore Trl
Zellwood, FL  32798

Beds: 7.0
Baths: 4.5
Sq Ft: 5,000
Lot: 53,579 sf
Single Family Map
View Full Details

$60,000

Listed 2026-02-01

5825 Maggiore Trl
Zellwood, FL  32798

Beds:
Baths:
Sq Ft:
Lot: 17,860 sf
Land Map
View Full Details

$760,000

Listed 2025-12-06

716 Conesus Ln
Winter Springs, FL  32708

Beds: 4.0
Baths: 3.5
Sq Ft: 2,940
Lot: 79,715 sf
Single Family Map
View Full Details

Current Property Rentals

Diane Sterling currently has no rental properties available in Oviedo and surrounding areas. Check back later.