Joseph Sillstrop

Joseph Sillstrop
Real Estate Agent (Broker)
Encinitas CA

Broker (CA: 01333281)

16 years experience

REALTOR® 1 Active Listings Serves San Diego County, CA
View on Realtor.com

Contact Information

Brokerage
The Sillstrop Group

Office Website
Office Address
121 Via Del Cerrito
Encinitas, CA  92024
(San Diego County)
Office Phone
858-864-6967
Office Fax
760-230-8127
Mobile
858-864-6967
Email
jjstrop@gmail.com

Service Areas

Cardiff By The Sea: CA Encinitas: CA Carlsbad: CA La Costa: CA Vista: CA Lake San Marcos: CA San Marcos: CA Elfin Forest: CA Del Mar: CA Solana Beach: CA San Diego: CA Fairbanks Ranch: CA Rancho Santa Fe: CA Oceanside: CA Camp Pendleton North: CA Camp Pendleton South: CA San Luis Rey: CA Cardiff: CA Bonsall: CA

About Joseph Sillstrop

With nearly two decades of experience in the dynamic real estate landscape of San Diego County, this agent has successfully guided numerous home buyers and sellers through their transactions. A North County native, he attended Torrey Pines High School before earning a Bachelor’s degree in Communications from San Diego State University.

In addition to his real estate career, he is an active local business owner, musician, and youth sports coach. He and his wife, Jennifer, have chosen Encinitas as their home, where they are raising their two sons, JJ (18) and Luke (15).

His approach to real estate is straightforward and client-focused, beginning with attentive listening to fully understand their needs. He possesses an in-depth knowledge of the community and takes pride in connecting individuals with properties that suit them perfectly. Passionate about the San Diego lifestyle, he enjoys introducing clients to the area’s hidden gems, including restaurants, beaches, music venues, and sporting events.

Over the years, he has built a solid reputation for integrity, service, and dedication, consistently prioritizing his clients' interests. A significant portion of his business stems from referrals by satisfied clients, reflecting his commitment to excellence. He is deeply passionate about his work and is dedicated to preserving the integrity of the community he cherishes.

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

$1,881,122
Avg. Listing Price
From Joseph's portfolio
3.7 / 3.1
Avg. Beds/Baths
Typical property size
2,484 sf
Avg. Square Footage
Interior living space
4315
Active Listings
Current inventory

If you need to reach working real estate agents in San Diego County, this list was built for you. Mortgage lenders prospecting for referral partners, title and escrow companies building agent relationships, PropTech platforms looking for early adopters, insurance providers offering E&O or home warranty products, continuing education providers, and recruiters looking to grow their brokerages are all regular buyers of this data. These professionals need verified, deliverable contact information — not outdated spreadsheets scraped from public directories.

When you buy San Diego County real estate agent email list data from Dr. Bill, you get {{AGENT_COUNT}} actively licensed agents with verified email addresses, plus {{CELL_COUNT}} agents who also have cell phone numbers on file. Whether you're running a drip campaign, dialing for referrals, or segmenting your outreach by city or zip code, this list gives you the reach and precision to make your marketing budget work harder than a generic statewide blast ever could.

Why Buy a San Diego County Real Estate Agent Email List From Dr Bill

This data is sourced directly from the California Department of Real Estate licensing records and cross-verified through multiple channels before it ever reaches your inbox. New emails are added weekly, the full list is cleaned monthly to remove bounces and inactive licenses, and the entire database is completely refreshed bi-annually. The result is a 96% deliverability guarantee — a standard that cheap list brokers simply cannot match because they are recycling old data without any systematic maintenance process.

Dr. Bill has been in the list business since 2005 and has sold over 31,000 lists to clients across the mortgage, title, insurance, recruiting, and technology sectors. That track record matters when you're choosing a data vendor. You're not gambling on a one-person side project or a discount aggregator with no accountability. You're buying from an operation that has delivered reliable agent data through multiple market cycles and platform changes.

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The most immediate use is email outreach through cold-email platforms. Zap Contact (zapcontact.com) is purpose-built for this type of B2B prospecting and works seamlessly with this list format. You can also use the data for direct mail campaigns, SMS or phone outreach using the cell phone records, or upload the emails into LinkedIn for matched audience advertising. Each channel compounds the others when you're running a coordinated campaign.

The list can be segmented by broker versus sales agent status, allowing you to target decision-makers at the office level separately from individual producers. This matters if you're pitching a platform that requires broker approval versus a product agents can adopt independently.

Why San Diego County, California Agent Data Matters

San Diego County spans a wide range of distinct markets — from coastal communities like La Jolla, Encinitas, and Coronado to inland areas like El Cajon, Santee, Chula Vista, and Escondido. Agents working Carlsbad are serving a very different client than agents working National City, and your messaging should reflect that. With {{AGENT_COUNT}} active licensed agents across the county, there is a substantial professional audience here that rewards precise, relevant outreach.

No other vendor offers zip code level segmentation within San Diego County — most will sell you a statewide California list and call it targeted. Dr. Bill's data lets you isolate specific zip codes, cities, or the full county depending on where your business operates. That granularity turns a generic email blast into a localized campaign that actually converts.

Current Property Listings

As of 6/27/2026, Joseph Sillstrop has 1 property for sale in Encinitas and surrounding areas.

$1,595,000

Listed 2026-06-25

5575 Cameo Rd
Carpinteria, CA  93013

Beds: 3.0
Baths: 2.5
Sq Ft: 1,771
Lot: 7,841 sf
Single Family Map
View Full Details

Current Property Rentals

Joseph Sillstrop currently has no rental properties available in Encinitas and surrounding areas. Check back later.