Andrew G. Construction

Andrew G Construction is a full-service general contracting company based in Emerald Hills and Redwood City, California, serving homeowners and businesses throughout the San Francisco Bay Area. Founded by Andrew Gaspar in 2009, the company combines decades of construction experience with a commitment to quality craftsmanship, transparent communication, and customer satisfaction. Andrew’s background includes formal architectural and trade school training in Budapest, followed by extensive hands-on experience in California construction management before launching his own company.

As an experienced ADU builder, custom home builder, and remodeling contractor, Andrew G Construction helps clients transform properties through thoughtfully designed construction projects that balance functionality, aesthetics, and long-term value. The company emphasizes detailed planning, accurate budgeting, and ongoing communication throughout every phase of construction.

Construction & Remodeling Services

Andrew G Construction offers comprehensive residential and commercial construction services across the Bay Area.

Services Include:

• Accessory Dwelling Unit (ADU) construction

• Detached backyard cottages

• Custom home design and construction

• Home additions and expansions

• Whole-home remodeling

• Kitchen remodeling

• Bathroom remodeling

• Room renovations

• Commercial construction

• Commercial tenant improvements

• Home improvement projects

• Design and planning services

• Permit approval and project management

Whether homeowners are looking to build a rental-ready ADU, expand living space, modernize an outdated home, or construct a custom residence from the ground up, Andrew G Construction provides end-to-end project support.

ADU & Custom Home Expertise

As a specialized ADU contractor, Andrew G Construction designs and builds custom accessory dwelling units that can serve as guest houses, rental properties, home offices, or housing for family members. Their team manages planning, budgeting, permitting, construction, and final finishes while ensuring compliance with local regulations.

The company also specializes in custom home construction, offering homeowners a collaborative design-build process focused on craftsmanship, scheduling accuracy, and personalized results.

Why Homeowners Choose Andrew G Construction

• Licensed California general contractor

• Founded in 2009

• Decades of combined construction experience

• Specialized ADU and custom home builder

• Full-service design-build approach

• Detailed project planning and budgeting

• Strong communication throughout construction

• Residential and commercial expertise

• Focus on quality workmanship and customer satisfaction

Their philosophy centers on understanding each client’s goals before construction begins, allowing projects to stay on schedule, within budget, and aligned with expectations.