RECENT DIAMOND CERTIFIED EXPERT CONTRIBUTIONS & PROFILE

Stanley Costa is owner of SonoMarin Cleaning Services, Inc., a Diamond Certified company since 2005. He can be reached at (707) 769-9343 or by email.

Video: Adopting a Cleaning Methodology

With Stanley Costa of SonoMarin Cleaning Services, a Diamond Certified Expert Contributor

PETALUMA – Host, Sarah Rutan: When cleaning your house, having a methodology is the best approach. Today we’re with Diamond Certified expert contributor Stanley Costa of SonoMarin Cleaning Services…Watch Now

Stanley Costa: From Brazil to the Bay

By Matt Solis, Diamond Certified Program Reporter

PETALUMA – The cultural diversity and temperate weather of the Bay Area make it one of the world’s most popular travel destinations, but when Stanley Costa first arrived from his native Brazil more than 20 years ago, it didn’t take long…Read More

How to Clean Your House

By Stanley Costa of SonoMarin Cleaning Services, Inc., a Diamond Certified Expert Contributor

PETALUMA – Many people don’t realize that using a specific methodology to clean their homes will make the whole process easier and ensure better results. Picture yourself in a two-story house—you might wake up one day and be inspired to clean…Read More