Sell Smart. Sell Fast. Sell for More.
With Our 100+ Point Home Marketing Plan
My Listings
Get Top Dollar for Your Home With Our 100+ Point Marketing Plan!
Learn how we will get your home:
- In front of and shown to more buyers
- Sold faster and for more money
- Sold on your terms without the hassle and stress
Hello 👋🏻, I'm Brad and Karen...
Brad and Karen Mattonen
Homes in San Diego County
Big Block Realty - LPT, San Diego
From the Beaches to the Rolling Hills of San Diego County — Excellence That Moves You!
We’re not just selling homes—we’re helping you build your future. Karen and Brad Mattonen bring a hands-on, client-first approach backed by deep local expertise, cutting-edge strategy, and an unwavering commitment to integrity and results.
🔑 Specialized Services
- New Construction & Builder Representation
- First-Time Buyer Guidance & Down Payment Assistance
- Prop 19 Tax Transfer Expertise for Downsizing & Right-Sizing
- Multi-Generational & Senior Housing Solutions
- Probate, Trust & Estate Sales
- Military, First Responder, Teacher & Healthcare Worker Advocacy
- Luxury Home Marketing & Renovation Advisory
💬 Our Promise
We listen. We strategize. We deliver. Your goals drive every decision we make. Whether buying, selling, or building, we ensure your transaction is seamless and optimized for maximum value.
"A home isn’t just walls and dimensions—it’s where your life unfolds."
Contact Brad and Karen
What Our Clients Think
See More Reviews
I had an amazing experience working with Brad and Karen Mattonen at Coldwell Banker West 4S Ranch. From the very beginning, they were professional, knowledgeable, and incredibly supportive throughout...
Shila Mridha
03/31/2026
Brad and Karen Mattonen with Coldwell Banker West in 4S Ranch are absolutely fantastic to work with! Their knowledge of the San Diego County market is top-notch, and they truly go above and beyond to...
Afran khan Shihab
03/25/2026
I had an amazing experience working with Homes in San Diego County | Brad and Karen Mattonen | Coldwell Banker West 4S Ranch. Brad and Karen are an incredible team—professional, knowledgeable, and...
Ahnaf Tasfia
03/25/2026
Brad and Karen, as super caring values driven professionals and absolutely the experts in real estate. I have no hesitation in referring them to my friends. They rock!
Geoff Talbot
10/20/2025
I recommended this agent to a buyer of mine and my client is extremely happy with the match. The first property we are working on so far is going smoothly, and everyone is positive with the results....
Kitchen and Bath Renovation
05/25/2025
I recommended this agent to a buyer of mine and my client is extremely happy with the match. The first property we are working on so far is going smoothly, and everyone is positive with the results....
Freedom Flooring & Interiors
05/25/2025
I've known and worked with Brad for over 8yrs. When it came time to buy my home Brad was the guy I chose for my home search. He put in the effort and then some between arranging viewing places:...
Daniel Ware
01/10/2023
Brad and Karen Mattenon helped sell my daughter’s Dad house. They helped gather all the resources to fix the house, have an estate sale and market the house. They were so professional and kind...
Lydia Reyes
12/21/2022
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