Best Construction

Diamond Certified Company Report
Scan to Call
Contact Number
diamondcertified logo
Best Construction
21 SURVEYS
10 CONSECUTIVE YEARS
SINCE DECEMBER 2015
CERT 2307

Diamond Certified Ratings Dashboard

21
Verified Customers
Surveyed
Customer Loyalty
Customer Satisfaction
Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance

Company Report Menu

  • Survey Responses (reviews)
  • Diamond Certified Video Player
  • Researched Articles & Profile
  • Capabilities
  • Photos
  • Expert Contributor Advice & Tips
  • Website & External Feeds
logo
Best Construction
Diamond Certified Company Report Menu

Get a Quote or Call with Questions

logo

Best Construction

Contractor - Custom Home Builder & Contractor - Remodeling & Additions
|
San Mateo  Santa Clara Counties
diamondcertified logo
21 SURVEYS
10 CONSECUTIVE YEARS
SINCE DECEMBER 2015
CERT 2307

Rated Highest in Quality & Helpful Expertise Performance Guaranteed

Email
Call
  • Liability Insurance
  • Business Practices
Show More

Get a Quote or Call with Questions

Diamond Certified Researched Articles on Best Construction

researched article

A recent residential project by Best Construction

company logo

Best Construction provides a wide range of design/build construction services for residential and commercial clients in Santa Clara and San Mateo Counties. The company has the in-house capabilities to handle every step of its customers’ remodeling and addition projects, including painting, electrical, plumbing and tile work.

President Sergiu Deac credits much of Best Construction’s success to its communication skills and customer-oriented business approach. “We really enjoy working with people, so we take the time to communicate with our clients about the specifics of their jobs so we can achieve their goals,” he says. “From the design phase to the finishing touches, everything we do adheres to the highest levels of quality.”

Best Construction stays up-to-date with the construction industry’s latest technological and procedural advancements, which Mr. Deac says is important for providing the best possible service. “This industry is constantly evolving, but by keeping up with trends and drawing upon our years of experience, we’re able to stay on top of our clients’ projects from beginning to end. They really appreciate how seamless we’re able to make the entire process.”

Diamond Certified Researched Capabilities on Best Construction

Service Area

serving area
Santa Clara County
San Mateo County
Serving Santa Clara and San Mateo Counties, Including Sunnyvale, Santa Clara, Mountain View, Palo Alto, Cupertino, Los Altos and Gilroy.

Main Services

Contractor - Custom Home Builder
  • Custom Home Remodeling
  • Custom Houses
  • Custom Modular Homes
  • Custom Prefab Homes
  • Design Build
  • Green Building
  • New Home Construction
  • New Townhomes
  • Residential Carpentry
  • Residential Framing
Contractor - Remodeling & Additions
  • Basement Remodeling
  • Bathroom Remodel
  • Bathroom Renovations
  • Bathtub Replacement
  • Custom Home Remodeling
  • Garage Remodel
  • Home Remodeling
  • House Remodeling
  • Kitchen Remodel
  • Shower Remodel
  • Sunroom Addition
  • Tub To Shower Conversion

Additional Services

null

Company Info

Hours
Mon
12:00 am - 11:59 pm
Tue
12:00 am - 11:59 pm
Wed
12:00 am - 11:59 pm
Thu
12:00 am - 11:59 pm
Fri
12:00 am - 11:59 pm
Sat
Closed
Sun
Closed
Closed
Contact
Best Construction

Capabilities Table

Company Name
Best Construction
Managers
Sergiu Deac, President
Years in Industry
20 (President)
# of Employees
4
License
911607
Memberships
HomeAdvisor; National Association of the Remodeling Industry (NARI), Silicon Valley Chapter
Founded
2004
Payment Accepted
american express,
discover,
mastercard,
visa

Key Factors

Select Photos From Best Construction

1 of 25Picture of A worker on stilts meticulously installs drywall in a sunlit room, embodying Best Construction's dedication to quality outcomes. The company's focus on precision ensures high customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource - Best Construction
A worker on stilts meticulously installs drywall in a sunlit room, embodying Best Construction's dedication to quality outcomes. The company's focus on precision ensures high customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource
Picture of A worker on stilts meticulously installs drywall in a sunlit room, embodying Best Construction's dedication to quality outcomes. The company's focus on precision ensures high customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource - Best Construction
Picture of A team of professionals from Best Construction stands proudly, reflecting the company's commitment to quality outcomes. With high customer satisfaction ratings, they embody a dedication to excellence in every project. Copyright ©2025 Diamond Certified Resource - Best Construction
Picture of A recent residential project by Best Construction - Best Construction
Picture of A harmonious blend of rustic elegance and modern luxury, this bathroom remodel by Best Construction showcases intricate woodwork and sleek stone detailing. Recognized for expertise and quality, the company ensures every element speaks of excellence and refinement. Copyright ©2025 Diamond Certified Resource

 - Best Construction
Picture of In a showcase of rustic elegance, a copper bathtub stands gracefully against a stone accent wall, embodying Best Construction's dedication to quality outcomes. The soft glow from the chandelier hints at a serene escape. Best Construction consistently achieves the highest quality rating. Copyright ©2025 Diamond Certified Resource

 - Best Construction
Picture of In this expertly crafted bathroom by Best Construction, dual sinks set against a backdrop of textured stone evoke elegance and cohesion. The quality outcomes reflect the company’s dedication to customer satisfaction. Copyright ©2025 Diamond Certified Resource - Best Construction

Diamond Certified Expert Contributor Advice & Tips

Sergiu Deac is a veteran of the construction industry and president of Best Construction, a Diamond Certified company since 2015. He can be reached at (408) 622-0588 or by email.

Sergiu Deac is a veteran of the construction industry and president of Best Construction, a Diamond Certified company since 2015. He can be reached at (408) 622-0588 or by email.

Sergiu Deac: Building Opportunity

By James Florence, Diamond Certified Resource Reporter

SAN JOSE — After finding the opportunity he sought in the United States, Sergiu Deac continued to build upon that initial foundation and further his career. “In 2001, I left my home country of Romania and came to the U.S. to start a new life,” he recounts. “For me, the U.S. is a place where, even if you come with nothing, you can be successful if you work hard enough, so it seemed like a good environment in which to pursue my prof...

Read Full Article - Sergiu Deac: Building Opportunity

Best Construction Website and External Feeds

Website

Social Media Links

FAQs
By Best Construction

Best Construction Ratings and Survey Responses (reviews)

diamondcertified logo
Best Construction
21 SURVEYS
  • 4.9
  • star image
  • star image
  • star image
  • star image
  • star image
10 CONSECUTIVE YEARS
SINCE DECEMBER 2015
CERT 2307

Diamond Certified Ratings Dashboard

Customer Satisfaction

Customer Loyalty

Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance
Best Construction

Based in San Jose, CA

4.9 avg. star score from 21 Verified Customer Phone Survey Responses

(Reviews: Scroll down to read them.)

Our surveys of only verified real customers produce the country’s most accurate ratings of local companies. Best Construction scored Highest in Quality and Helpful Expertise and passed the credential-based checks to earn Diamond Certified.

A Star Equivalent Score is calculated for each verified customer rating by weighting the 1–10 Quality score, the YES/NO Loyalty (intent to return) score and the YES/NO Helpful Expertise score. If Helpful Expertise wasn’t surveyed or didn’t apply, it’s simply not shown.