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Marguerite Rossis Apostolas

Marguerite Rossis Apostolas
Real Estate Agent (Broker)
San Diego - CA

Broker (CA: 01381771)

23 years experience

REALTOR® 9 Active Listings Serves San Diego County, CA
View on Realtor.com

About Marguerite Apostolas

Marguerite, a San Diego native and seasoned Realtor since 2003, possesses an in-depth knowledge of the diverse neighborhoods and communities within San Diego County. Alongside her dedicated team, she assists sellers, buyers, and investors in navigating the real estate landscape across both San Diego and Riverside Counties.

With a robust background in the luxury market and a track record of over 500 successful transactions, Marguerite excels in managing a substantial volume of deals while delivering a high-touch concierge experience for her clients. Her achievements as a listing agent are notable, having earned the Circle of Excellence Platinum and Gold Awards for five consecutive years.

Marguerite and her team leverage their expertise in advertising, marketing, and design to effectively position homes for quick sales at optimal prices. Their keen understanding of current market dynamics enables them to adopt innovative strategies that assist buyers in finding the ideal property. They prioritize a supportive approach, guiding clients through the purchasing process with confidence.

Additionally, Marguerite has extensive experience in working with investors, focusing on the acquisition, rehabilitation, and sale of investment properties throughout San Diego County and beyond.

She is an active member of the San Diego Association of Realtors and holds a degree from San Diego State University, along with a graduate certificate in Paralegal Studies for Real Estate and Environmental Law from the University of San Diego.

San Diego County, CA Real Estate Market Analysis (Single Family Homes)

$1,851,830
Avg. Listing Price
From Marguerite's portfolio
3.7 / 3.0
Avg. Beds/Baths
Typical property size
2,420 sf
Avg. Square Footage
Interior living space
4283
Active Listings
Current inventory

San Diego County's real estate market stands as one of California's most dynamic and valuable, encompassing everything from beachfront luxury properties in La Jolla to family-friendly suburban developments in Poway and Santee. With a median home price consistently ranking among the nation's highest, this Southern California market attracts investors, homebuyers, and real estate professionals from across the globe, creating an intensely competitive environment where local expertise proves invaluable.

The county's 29,242 total actively licensed agents represent one of the most concentrated real estate professional populations in the United States, with remarkably, all 29,242 agents maintaining email contact information—a testament to the market's tech-savvy, digitally connected nature. This substantial agent network reflects the complexity and opportunity within San Diego's diverse real estate landscape, from downtown high-rise condominiums to sprawling ranch properties in the backcountry.

Major San Diego County, California Real Estate Markets

The county's real estate activity centers around several distinct metropolitan markets, each with unique characteristics and price points. Coastal communities like Del Mar, Solana Beach, and Encinitas command premium prices for their proximity to beaches and highly rated schools, while inland cities such as Escondido, El Cajon, and Chula Vista offer more affordable options that still benefit from the county's year-round climate and economic opportunities. Downtown San Diego's urban core has experienced dramatic growth in high-density residential development, transforming formerly industrial areas into sought-after neighborhoods.

North County markets including Carlsbad, Oceanside, and Vista have emerged as particularly hot segments, attracting both young professionals and retirees seeking newer construction and master-planned communities. Meanwhile, East County areas like Santee, La Mesa, and Lemon Grove provide traditional suburban living with significantly lower entry costs, making them increasingly popular among first-time homebuyers and families seeking larger properties with outdoor space.

Market Dynamics and Geographic Complexity

San Diego County's real estate market exhibits remarkable geographic complexity, with microclimates, school district boundaries, and proximity to employment centers creating dramatically different property values within short distances. A surprising trend has been the rise of luxury markets in previously overlooked areas—neighborhoods in National City and Spring Valley have seen substantial appreciation as buyers seek alternatives to traditionally expensive coastal areas, while maintaining reasonable commutes to major employment hubs.

The market's seasonal patterns differ significantly from many California regions, with activity remaining relatively steady year-round due to the consistent climate and steady influx of military relocations, technology workers, and retirees. However, inventory levels fluctuate dramatically between coastal and inland areas, with beachfront properties maintaining extremely low supply levels while inland markets experience more typical seasonal variations in available homes.

Why Businesses Need San Diego County, California Agent Contact Data

Mortgage lenders, title companies, and real estate service providers require direct access to San Diego's extensive agent network to capture market share in this high-value market. With average transaction values significantly above national norms, establishing relationships with even a small percentage of the county's 29,242 agents can generate substantial business volume, making comprehensive agent contact databases essential for competitive positioning.

Insurance companies, home improvement contractors, and financial services firms benefit enormously from direct agent relationships, as these professionals influence client decisions across multiple high-value services. The fact that all active agents maintain email addresses enables efficient digital marketing campaigns and relationship-building efforts that can quickly scale across this large, geographically diverse professional network.

Contact Information

Brokerage
Exp Realty Of Southern Ca Inc

Office Website
Office Address
10620 Treena St Ste 230
San Diego, CA  92131
(San Diego County)
Office Phone
888-294-1415
Office Fax
Mobile
888-832-7179
Email
marguerite@************
Website

Service Areas

San Diego: CA La Jolla: CA Rancho San Diego: CA Spring Valley: CA Casa de Oro-Mount Helix: CA La Mesa: CA Alpine: CA Harbison Canyon: CA Descanso: CA Crest: CA El Cajon: CA Jamul: CA Granite Hills: CA Julian: CA Santa Ysabel: CA Warner Springs: CA Palomar Mountain: CA Ranchita: CA Borrego Springs: CA Bostonia: CA Winter Gardens: CA Lakeside: CA Encinitas: CA Carlsbad: CA Lake San Marcos: CA San Marcos: CA Elfin Forest: CA Poway: CA Santee: CA Fairbanks Ranch: CA Rancho Santa Fe: CA Del Mar: CA Solana Beach: CA Escondido: CA Valley Center: CA Hidden Meadows: CA La Costa: CA Eucalyptus Hills: CA

Current Property Listings

As of 1/31/2026, Marguerite Apostolas has 9 properties for sale in San Diego and surrounding areas.

$659,000

Listed 2026-01-13

41482 Rocky Ridge Ct
Aguanga, CA  92536

Beds: 4.0
Baths: 2.0
Sq Ft: 2,400
Lot: 259,618 sf
Single Family Map
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$79,400

Listed 2026-01-13

32065 Hunsaker Way Unit 12
Running Springs, CA  92382

Beds:
Baths:
Sq Ft:
Lot: 14,810 sf
Land Map
View Full Details

$329,900

Listed 2025-12-11

35109 Highway 79 Spc 102
Warner Springs, CA  92086

Beds: 3.0
Baths: 2.0
Sq Ft: 1,512
Mobile Map
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$306,500

Listed 2025-11-06

35109 Highway 79 Spc 10
Warner Springs, CA  92086

Beds: 3.0
Baths: 2.0
Sq Ft: 1,402
Mobile Map
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$579,000

Listed 2025-12-16

32137 Cerrada Del Coyote
Warner Springs, CA  92086

Beds: 3.0
Baths: 3.0
Sq Ft: 1,703
Lot: 44,431 sf
Single Family Map
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$298,000

Listed 2026-01-24

35109 Highway 79 Unit Sp , 137
Warner Springs, CA  92086

Beds: 2.0
Baths: 2.0
Sq Ft: 1,152
Mobile Map
View Full Details

$685,000

Listed 2025-12-27

12525 Julian Ave
Lakeside, CA  92040

Beds: 3.0
Baths: 1.0
Sq Ft: 924
Lot: 7,405 sf
Single Family Map
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$378,000

Listed 2025-08-06

Victoria Dr Unit 18
Alpine, CA  91901

Beds:
Baths:
Sq Ft:
Lot: 3,310,560 sf
Land Map
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$729,000

Listed 2025-11-02

32800 Camino Ortega
Warner Springs, CA  92086

Beds: 2.0
Baths: 2.0
Sq Ft: 1,872
Single Family Map
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Current Property Rentals

As of 1/31/2026, Marguerite Apostolas has the following rental properties available in San Diego and surrounding areas.

$1,700

Listed 2025-11-05

35109 Highway 79 Spc 15
Warner Springs, CA  92086

Beds: 2.0
Baths: 2.0
Sq Ft: 1,152
Condos Map
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