Tony Kwan Sum

Tony Kwan Sum
Real Estate Agent (Broker)
San Jose CA

Broker (CA: 01731561)

20 years experience

REALTOR® 1 Active Listings Serves Santa Clara County, CA
View on Realtor.com

Contact Information

Brokerage
Silicon Valley Res Realty

Office Website
Office Address
46w Julian St Ste 229
San Jose, CA  95110
(Santa Clara County)
Office Phone
408-297-5638
Office Fax
408-516-8197
Mobile
408-891-8289
Email
tony@upswingrealestate.com

Service Areas

San Jose: CA Fruitdale: CA Burbank: CA Campbell: CA Cambrian Park: CA Los Gatos: CA

About Tony Sum

Tony Sum serves as the co-owner and designated broker of record at Silicon Valley Residential Realty and Silicon Valley Lofts & Condos. With a real estate license since 2006, he has successfully facilitated the buying and selling of a diverse range of properties, including condominiums, penthouses, high-rise units, townhomes, single-family residences, and investment properties. Tony is dedicated to providing exceptional service to both buyers and sellers. For comprehensive assistance with your real estate endeavors, reach out to Tony.

Santa Clara County, CA Real Estate Market Analysis (Single Family Homes)

$2,458,291
Avg. Listing Price
From Tony's portfolio
3.8 / 2.9
Avg. Beds/Baths
Typical property size
2,220 sf
Avg. Square Footage
Interior living space
1650
Active Listings
Current inventory

If you need to reach working real estate agents in Silicon Valley, this list was built for you. Mortgage lenders, title companies, PropTech platforms, insurance providers, continuing education companies, and recruiters all rely on verified agent contact data to drive outreach campaigns that actually land in front of licensed professionals. Santa Clara County agents are among the most active and tech-forward in California, making them high-value targets for vendors and service providers who understand this market.

When you buy a Santa Clara County real estate agent email list, you are getting direct access to {{AGENT_COUNT}} actively licensed agents with verified email addresses, plus {{CELL_COUNT}} agents who also have cell phone numbers on file. Whether you are promoting a loan product, pitching a SaaS tool, recruiting for a brokerage, or selling E&O insurance, this data gives you the reach and precision to run campaigns that generate real responses rather than bounced emails and wasted ad spend.

Why Buy a Santa Clara County Real Estate Agent Email List From Dr Bill

Every record in this list is sourced directly from the California Department of Real Estate, so you are starting with agents who are confirmed active and licensed, not scraped from outdated directories. Emails are cleaned monthly, new contacts are added weekly, and the entire database is fully refreshed twice a year. That process backs a 96% deliverability guarantee that cheap list vendors simply cannot match because they do not do the work.

Dr Bill has been selling real estate agent data since 2005 and has completed over 31,000 list sales. That track record matters when you are deciding who to trust with your outreach budget. Lists are available at the state, county, city, and zip code level, and no other vendor offers zip code-level segmentation within Santa Clara County itself, giving you targeting precision that broad statewide lists cannot provide.

How to Use This Santa Clara County Agent List

Email campaigns loaded into cold-email platforms like Zap Contact (zapcontact.com) are the fastest way to put this data to work. The verified addresses and high deliverability rate mean your messages reach inboxes rather than spam folders. You can also use the data for direct mail drops, SMS campaigns using the cell phone numbers, or LinkedIn audience matching to layer in social touchpoints alongside your email sequence.

The list can be segmented by broker versus sales agent, letting you tailor your message to the right role. A recruiting pitch aimed at a broker sounds different than one targeting an independent sales agent, and this data makes that distinction easy to act on from day one.

Why Santa Clara County, California Agent Data Matters

Santa Clara County covers a dense network of distinct markets including San Jose, Sunnyvale, Santa Clara, Mountain View, Cupertino, Milpitas, and Campbell. Each city has its own agent community and business culture. Reaching all {{AGENT_COUNT}} licensed agents across these cities with a single targeted list is far more efficient than buying a bloated statewide file full of agents who will never be relevant to your offer.

Local targeting also means your message feels relevant rather than generic. An agent in Cupertino responds differently to county-specific outreach than to a mass California blast. This list gives you the credibility of specificity, and specificity is what converts prospects into customers.

Current Property Listings

As of 6/21/2026, Tony Sum has 1 property for sale in San Jose and surrounding areas.

$975,000

Listed 2026-03-27

175 W Saint James St Unit 106
San Jose, CA  95110

Beds: 2.0
Baths: 2.0
Sq Ft: 1,984
Condo Map
View Full Details

Current Property Rentals

Tony Sum currently has no rental properties available in San Jose and surrounding areas. Check back later.