Alex Lee: Carpet Cleaning Connoisseur
Jon Diamond: HVAC Ace
Jorge Vasquez: Automotive Ace
Chester Kniss: Transmission Specialist
John Zeiter: Real Estate Guru
Nick Capurro: Painting Paragon
Ryan Diaz: Roofing Authority
Jason Pae: Flooring Expert
Sergio Rosales: House Cleaning Pro

Gain Knowledge from Expert Contributions

If you want to gain knowledge on specific local services and become a more savvy consumer, we encourage you to access the Diamond Certified Expert Reports through the search options on the right. These mostly industry-specific articles, tip sheets, videos and blog entries are created for consumers by local experts. The authors know what they’re talking about because they own or manage a local Diamond Certified company that’s been rated Highest in Quality. Each has contributed their expertise to create these reports for you and other consumers as a way to give back to their community.

RECENT DIAMOND CERTIFIED EXPERT REPORTS

Video: Innovations in Roofing Technology

With Ryan Diaz of Bay Valley Contractors, Inc., a Diamond Certified Expert Contributor

NOVATO – Host, Sarah Rutan: Roofing technology has come a long way in the last 30 years, which is why today’s manufacturers are able to offer better warranties than ever before. Today we’re in Concord with Diamond Certified Expert Contributor Ryan Diaz…Read More

Innovations in Roofing Technology

By Ryan Diaz of Bay Valley Contractors, Inc., a Diamond Certified Expert Contributor

NOVATO – Thirty years ago, the average roof basically had a two-fold composition: shingles placed over a felt underlayment. In the decades since, roofing manufacturers have invested much into research and development, with the aim of improving roof performance and longevity….Read More

Ryan Diaz: Generational Synergy

By James Florence, Diamond Certified Program Reporter

CONCORD – Despite being a roofer’s son, Ryan Diaz had little interest in nailing shingles or handling hot tar. However, when he applied his administrative proficiency alongside his father’s hands-on experience, it resulted in a potent combination. “My dad founded…Read More

Video: Strategy for Finding the Right House

With John Zeiter of John Zeiter - Decker Bullock Sotheby's International, a Diamond Certified Expert Contributor

GREENBRAE − Host, Sarah Rutan: Finding the right house can be a daunting task, but with the right strategy, you can be prepared to make a confident decision. Today we’re in Greenbrae with Diamond Certified Expert Contributor Jon Zeiter of Decker Bullock Sotheby’s…Read More

Strategy for Finding the Right House

By John Zeiter of John Zeiter - Decker Bullock Sotheby's International, a Diamond Certified Expert Contributor

GREENBRAE − When planning to purchase a new house, it’s easy to get overwhelmed by the task of determining your wants and needs. In addition to thinking about basic attributes like square footage and architecture style, you’ll need to decide the specific…Read More

John Zeiter: From Properties to People

By James Florence, Diamond Certified Program Reporter

GREENBRAE − When John Zeiter first got into real estate, his concentration was on finding profitable properties, but as his involvement in the industry progressed, his focus became less about properties and more about people. “I got into real estate after a…Read More

Video: 5-Minute Vehicle Safety Inspection

With Jorge Vasquez of J.E.V. Automotive, a Diamond Certified Expert Contributor

NOVATO – Host, Sarah Rutan: To confirm vehicle safety before you drive, it’s helpful to know a quick yet comprehensive procedure. Today we’re in Novato with Diamond Certified Expert Contributor Jorge Vasquez of J.E.V. Automotive to learn more. Diamond Certified Expert Contributor,…Read More

5-Minute Vehicle Safety Inspection

By Jorge Vasquez of J.E.V. Automotive, a Diamond Certified Expert Contributor

NOVATO – As drivers, most of us have become programmed to grab our keys, hop in the car and drive away, without giving a second thought to whether our vehicles are in optimal operating condition. And understandably so—99 percent of the…Read More

Jorge Vasquez: Automotive Passion

By James Florence, Diamond Certified Program Reporter

NOVATO – Jorge Vasquez got into automotive work purely out of necessity, but over time, that necessity developed into a full-fledged passion. “Like most 16-year-olds, when I reached driving age, I wanted to get my own car,” he remembers. “However, I…Read More

Video: Saving Money with House Cleaning

With Sergio Rosales of S.O.S. Cleaning, Inc., a Diamond Certified Expert Contributor

SAN FRANCISCO – Host, Sarah Rutan: If you want to minimize the cost of professional house cleaning, take small steps to help your cleaners work more efficiently. Today we’re in San Francisco with Diamond Certified Expert Contributor Sergio Rosales of S.O.S. Cleaning…Read More

How to Save Money with House Cleaning

By Sergio Rosales of S.O.S. Cleaning, Inc., a Diamond Certified Expert Contributor

SAN FRANCISCO – If you’re like many homeowners, you probably aren’t thrilled about the idea of paying for house cleaning, but you might not have the time or energy to do it yourself. In this case, your best bet is finding…Read More

Sergio Rosales: A Clean Break

By James Florence, Diamond Certified Program Reporter

SAN FRANCISCO – Sergio Rosales was waiting tables at a restaurant when he got the inspiration to break into a totally new industry. “Actually, it wasn’t my idea,” he clarifies. “I had a co-worker who was always telling me we should…Read More

Video: The Key to a Cleaner Carpet

With Alex Lee of Oxi Fresh of Berkeley, a Diamond Certified Expert Contributor

HERCULES – Host, Sarah Rutan: If you’re wondering how to keep your carpets cleaner between professional cleanings, you may be surprised to learn the answer is right beneath your feet. Today, we’re in Hercules with Diamond Certified Expert Contributor Alex Lee of…Read More

A Simple Way to Extend Your Carpet’s Lifespan

By Alex Lee of Oxi Fresh of Berkeley, a Diamond Certified Expert Contributor

HERCULES – If you have carpet in your home, you’ll want to extend its functional lifespan as far as possible. While standard maintenance measures like vacuuming and regular professional cleanings will help with this, there’s one step that can have an…Read More

Alex Lee: Man on the Move

By James Florence, Diamond Certified Program Reporter

HERCULES – Alex Lee describes himself as someone who likes to constantly be on the move, which might explain why, in the midst of being a full-time firefighter and family man, he decided to start a carpet cleaning business. “As a…Read More

Video: Optimizing Air Conditioner Performance

With Jon Diamond of Moore - Solar / Heating / Cooling , a Diamond Certified Expert Contributor

SANTA ROSA − Host, Sarah Rutan: As the summer season brings warmer temperatures, you’ll want to make sure your home’s air conditioner is running at peak performance. To learn more, we’re in Santa Rosa with Matthew Tindall of Moore – Solar / Heating /…Read More

Video: Rethinking Transmission Flushes

With Chester Kniss of Delta Transmission, a Diamond Certified Expert Contributor

ANTIOCH – Host, Sarah Rutan: A transmission flush is a popular service, but according to some automotive professionals, it may not be such a good idea. Today we’re in Antioch with Diamond Certified Expert Contributor Chester Kniss of Delta Transmission to learn…Read More

Transmissions: To Flush or Not to Flush?

By Chester Kniss of Delta Transmission, a Diamond Certified Expert Contributor

ANTIOCH – Much like a “quick stop” oil change, a transmission flush provides a fast and affordable means of maintaining a vital vehicle component. However, upon closer inspection, this convenient service may not be as good an idea as it appears….Read More

Chester Kniss: A Mechanical Mind

By James Florence, Diamond Certified Program Reporter

ANTIOCH – When asked how he got involved in the auto repair field, Chester Kniss simply replies that he’s always been mechanically minded. “I’ve been interested in cars since I was a little boy, so I picked things up pretty naturally,”…Read More

Video: Two Kinds of Caulking

With Nick Capurro of Majestic Painters, a Diamond Certified Expert Contributor

LIVERMORE – Host, Sarah Rutan: Prior to sealing an area of your home, make sure you’re using the appropriate type of caulking for the application. Today we’re in Livermore with Diamond Certified Expert Contributor Nick Capurro of Majestic Painters to learn…Read More