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        "excerpt": " Local companies rated Highest in Quality & Helpful Expertise. We make you an expert at choosing local companies! Find Diamond Certified companies rated Highest in Quality and Helpful Expertise. Performance Guaranteed. Find A-Z Categories By City Area Get your FREE Diamond Certified Directory here. Or upgrade your membership (always free). Diamond Certified Resource is your guide to quality local companies and expert advice. Diamond Certified Resource produces America’s most accurate ratings of local companies. Each Diamond Certified company is rated Highest in Quality & Helpful Expertise through deep research, verified customer surveys, credential checks, and ongoing monitoring. Loading NEW! Use our FIND A QUALITY COMPANY WIZARD to expertly choose a quality company. Why Choose a Diamond Certified Company? Watch this video on the Diamond Certified Resource: the best way to find local companies rated Highest in Quality and Helpful Expertise ® . Companies must score 90+ on a 100 scale and pass all our credential-based ratings. By requiring such a high score to qualify, we cut out mediocre and poorly performing companies. We’ve all felt the joy of choosing a good local company and, unfortunately, the pain when we mistakenly choose a bad one. The problem is, every company claims to be good, yet despite these glowing claims some provide inconsistent quality while others are downright unscrupulous. The Diamond Certified Difference We’ve solved this problem for you with the Diamond Certified Resource. Only local companies independently rated Highest in Quality and Helpful Expertise ® earn Diamond Certified. Our rigorous rating and certification process starts with the in-depth pass/fail rating of each company’s customer satisfaction, license and insurances. Most companies can’t pass our rating and earn Diamond Certified, and every Diamond Certified company must continue to deliver on its promises to you, the consumer. That’s why we conduct ongoing customer satisfaction research and credential-based ratings and monitor each company’s performance. Read More Find Top Rated Companies in the San Francisco Bay Area If you really care about choosing a quality local company, we’re here for you. Here’s your access to the best local companies serving the San Francisco Bay Area. For 22 years we’ve conducted the most accurate ratings and deepest research of local companies, so you’ll be confident in choosing. It’s easy! First choose your county. Alameda County Contra Costa County Marin County Monterey County Napa County San Benito County San Francisco County San Mateo County Santa Clara County Santa Cruz County Solano County Sonoma County Diamond Certified Resource Blog Red Flags to Watch for Throughout Your HVAC Project Fall in the Bay Area means the countdown to cold nights and the first real rain is on. That makes this peak season for HVAC replacements, so if you wait too long to swap out an aging furnace, you risk scrambling for a fix in the middle of a cold snap. 4 minute read Go to Our Main Blog Tips From Top Rated Experts Adam Garza Owner San Jose Plumbing, Inc. Plumbing Pride Cindy Faulkner President Valley Heating, Cooling, Electrical and Solar A Natural Transition Hung Tu President An Ky Construction Inc. Building a New Livelihood Janet Thrasher President Thrasher Termite & Pest Control, Inc. From Adversity to Achievement Go to Our Main Expert Contributors Hub Most Accurate Ratings Local companies rated Highest in Quality and Helpful Expertise Performance Guaranteed Contract performance guaranteed. Backed by mediation. Complete Company Reports Deeply researched company reports. Essential articles, video profiles, key factors and more. Your Helpful Expertise ® Comprehensive guides for each industry. Project advice, maintenance calendars and key local resources. We Make You an Expert at Choosing Local Companies Find Local, Top Rated Companies Discover the highest rated companies in your local area, regardless of your service needs. All Diamond Certified companies are backed by a Performance Guarantee. Search for companies by location or industry category. Browse by Industry Category A-Z List By Major City Area Use Our Guides, Resources & Blog Access our homeowner guides, resources and blog for a deep dive into everything you need to know about before, during, and after the job. Read this before you even start looking for a company to handle your service needs. Home Auto Health Personal City Area Guides Special and Seasonal Blog Our Rating & Certification Process We take pride in our 12-step certification process, which ensures that every Diamond Certified company is rated Highest in Quality and Helpful Expertise. Learn More Details Become a Diamond Certified Preferred Member With our ALWAYS FREE preferred membership, you'll gain benefits that help you become an expert at choosing local companies for all your service needs. Plus, you'll have access to our 24/7 hotline any time you need sup",
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