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David Haney Blewett

David Haney Blewett
Real Estate Agent (Broker)
San Carlos - CA

Broker (CA: 00548522)

46 years experience

REALTOR® 2 Active Listings Serves San Mateo County, CA
View on Realtor.com

About David Blewett

**Dave Blewett, MBA, CRS**
**Real Estate Broker**
**DRE #00548522**

Dave Blewett stands out as the leading agent at the San Carlos Intero Office, a title he has held consistently from 2004 through 2020. His exceptional performance has earned him a place in the prestigious INTERO Hall of Fame.

With over three decades of expertise in negotiations, sales, and marketing, Dave is dedicated to guiding his clients through their real estate journeys. His commitment to achieving their goals fosters a strong bond of loyalty and referrals from those he serves.

A seasoned professional, Dave thrives in competitive environments and is well-versed in various aspects of real estate, including residential sales, investment properties, and tax-deferred exchanges. He approaches each transaction with a unique philosophy, recognizing the significance of his clients' investments. By developing tailored marketing strategies and pricing plans that align with current market conditions, he aims to maximize returns for his clients. He values the trust placed in him and appreciates the repeat business that follows.

Dave holds a Bachelor’s degree in Economics and Psychology from San Jose State University, as well as a Master’s degree in Business Administration.

He is supported by a dedicated team, including:

**Gwen M. Blewett**
Dave's wife of 45 years, Gwen manages the office and plays a vital role in ensuring clients feel at ease throughout their transactions. Her expertise in home transformation—from painting to landscaping—adds significant value to their clients, often resulting in increased returns on sales. Gwen is affectionately regarded as Dave’s “Secret Weapon.”

**Anton Blewett**
As an Intero Real Estate Agent Associate and Architect, Anton brings a wealth of knowledge to the team. He holds a Bachelor’s degree in Electrical Engineering and Computer Science from UCLA and a Master’s degree in Architecture from the University of Washington. His background in consulting and architecture makes him an invaluable asset, particularly for buyers seeking insights into home design and local market trends. Anton is also committed to community service, volunteering with the Big Brother Organization and earning recognition as Volunteer Teacher of the Year in Palo Alto.

**Erich Campana**
Erich, an Intero Real Estate Agent, is a San Mateo native and a graduate of San Jose State University. With a successful background in the bail bonds industry, he brings a unique perspective to real estate. His strong negotiation skills and deep understanding of client needs make him a favorite among buyers.

Dave is also grateful for the support of the Intero Office staff, who are well-trained and attentive to client needs from the moment they enter the office. Visitors are encouraged to stop by the Intero Office located at 1600 El Camino Real, Suite #103, San Carlos, where they will experience the welcoming atmosphere firsthand. Dave would be delighted to treat you to a cup of coffee. Wishing you good health!

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

$3,026,577
Avg. Listing Price
From David's portfolio
3.7 / 3.0
Avg. Beds/Baths
Typical property size
2,458 sf
Avg. Square Footage
Interior living space
507
Active Listings
Current inventory

San Mateo County's real estate market stands as one of California's most dynamic and valuable sectors, driven by its strategic position between San Francisco and Silicon Valley. This peninsula county encompasses some of the nation's most sought-after residential communities, from the coastal charm of Half Moon Bay to the tech-hub sophistication of Redwood City and Palo Alto. The market's resilience stems from consistent demand from tech professionals, established families, and international investors who recognize the area's unique blend of suburban tranquility and urban accessibility.

What makes San Mateo County particularly intriguing is its diverse housing inventory, ranging from modest starter homes in South San Francisco to multimillion-dollar estates in Hillsborough and Atherton. The county's 4,103 actively licensed real estate agents—all of whom maintain current email contacts—serve a market where median home prices often exceed $1.5 million, yet properties frequently sell within days of listing. This competitive environment has created a sophisticated agent network that understands both luxury transactions and the complexities of helping middle-income buyers navigate one of America's most expensive markets.

Major San Mateo County, California Real Estate Markets

The northern corridor, including Daly City, South San Francisco, and San Bruno, attracts buyers seeking more affordable entry points into the county while maintaining easy access to San Francisco via BART and Highway 101. These communities have experienced significant appreciation as buyers migrate south from San Francisco, creating opportunities for first-time homebuyers and investors alike. Meanwhile, the mid-peninsula cities of San Mateo, Foster City, and Belmont offer established neighborhoods with excellent schools, drawing families willing to pay premium prices for stability and community amenities.

The southern region, encompassing Menlo Park, Redwood City, and the ultra-exclusive enclaves of Atherton and Woodside, represents the pinnacle of Bay Area luxury living. These markets move at lightning speed, with tech executives and venture capitalists often making cash offers sight-unseen. Coastal communities like Pacifica and Half Moon Bay provide a completely different market dynamic, appealing to buyers seeking oceanfront living and weekend retreats, though even these "alternative" markets have seen dramatic price increases as remote work has expanded housing search parameters.

Market Dynamics and Geographic Complexity

San Mateo County's real estate landscape defies simple categorization, with microclimates, school district boundaries, and proximity to major employers creating distinct pricing tiers within miles of each other. A home in East Palo Alto might sell for $1.2 million, while a comparable property just across Highway 101 in Palo Alto proper could command $3 million or more. This geographic complexity requires agents with hyperlocal expertise, making the county's professional network invaluable for understanding these nuanced market segments.

The market's sophistication shows in its quick adaptation to changing conditions—whether responding to interest rate fluctuations, tech industry layoffs, or evolving buyer preferences for home offices and outdoor space. Agents here routinely handle multiple-offer situations, complex contingency negotiations, and buyers with diverse financing strategies, from traditional mortgages to stock option exercises and cryptocurrency transactions.

Why Businesses Need San Mateo County, California Agent Contact Data

Companies serving the real estate industry find San Mateo County agents particularly valuable clients due to their high transaction volumes and affluent customer base. These 4,103 licensed professionals, all reachable via email, represent consistent buyers of premium services—from staging and photography to legal services and luxury marketing materials. The county's agents typically handle higher-value transactions than their counterparts in other regions, making them attractive targets for B2B service providers seeking quality over quantity.

Financial services companies, technology providers, and professional service firms benefit from connecting with this agent network because of their influence over high-net-worth clients making major financial decisions. When a San Mateo County agent recommends a mortgage broker, wealth manager, or home improvement contractor, they're often facilitating relationships worth hundreds of thousands of dollars, making these professional connections incredibly valuable for business development and market expansion strategies.

Contact Information

Brokerage
Intero Real Estate Services

Office Website
Office Address
661 El Camino Real Ste 103
San Carlos, CA  94070
(San Mateo County)
Office Phone
650-622-1000
Office Fax
650-622-1099
Mobile
650-504-2797
Email
daveblewett.realtor@************

Service Areas

Burlingame: CA San Bruno: CA Pacifica: CA Princeton By The Sea: CA Millbrae: CA Emerald Lake Hills: CA Palomar Park: CA Woodside: CA Redwood City: CA North Fair Oaks: CA San Carlos: CA San Mateo: CA Highlands-Baywood Park: CA Foster City: CA Mill Creek: CA Mineral: CA

Current Property Listings

As of 1/31/2026, David Blewett has 2 properties for sale in San Carlos and surrounding areas.

$2,499,950

Listed 2026-01-23

80 Watkins Ave
Atherton, CA  94027

Beds: 3.0
Baths: 2.0
Sq Ft: 1,320
Lot: 6,550 sf
Single Family Map
View Full Details

$2,199,950

Listed 2026-01-17

3208 Upper Lock Ave
Belmont, CA  94002

Beds: 4.0
Baths: 2.0
Sq Ft: 2,210
Lot: 5,764 sf
Single Family Map
View Full Details

Current Property Rentals

David Blewett currently has no rental properties available in San Carlos and surrounding areas. Check back later.