- hgarcia@hgdesignbuild.com
- (323) 317-4828
About Us
Who We Are
Redefining Spaces, Elevating Lives.
Founded by Hugo Garcia with over 25 years of experience, leveraging extensive architectural, construction, and development experience to lead a residential general contracting firm with a focus on strategic project management and comprehensive analysis. Licensed California Architect and General Building & Engineering Contractor has delivered countless design/build services supporting millions in real estate transactions and development.
- Full design-build process — one team, zero coordination headaches
- We pull every permit and handle all inspections
- Net-zero focused construction with USA-sourced materials
- Financing assistance through our trusted lending partner network
- BuildZoom score 139 — top 1% of all California contractors
Our Founder
25+ Years of Crafting Excellence in Southern California
HGDB is more than just a construction company—it is a legacy built on decades of trust, artistry, and precision. Located in the heart of Southern California, we have spent over 25 years transforming vision into reality, turning investment properties into high-yielding assests.
Our journey began with a singular mission: To bridge the gap between luxury and affordability. Today, we stand as one of SoCal’s most trusted names, approaching every project with the same passion and dedication as if it were our own home.
HGdb Design Build: Where 25 Years of Experience Meets the Future of Your Home.
Early Career — 2000s
HGDB begins architectural career, working across residential homes, commercial buildings, and infrastructure projects throughout Southern California. Builds foundational expertise in residential product types. Successfully achieving professional architectural licensure requires rigorous testing and real-world experience.
Mastery — 2010s
The econimic shift prompted HGdb to adopt a comprehensive design-build model, merging architectural services with construction. Launches HGdb Design Build by securing Class A (Engineering Construction) and Class B (Building Construction) licenses. This streamlines the timeline by keeping designers and builders under one entity, eliminating friction between separate design and bidding phases.
The ADU Pro Founded — 2020
To meet the soaring demand of Accessory Dwelling Units (ADUs), HGdb offers highly localized and tailored backyard housing solutions.
+ ADU Boom — 2020–Present
Turnkey Development: Managing the process from initial site evaluations, custom zoning analysis, and architectural drafting through permitting to the final construction handoff. Site Adaptability: Leveraging engineering and architectural expertise to smoothly execute both attached additions and detached ground-up structures. Zoning Compliance: Navigating complex local municipal codes and streamlining the permitting and structural approval process for homeowners.
Today — Trusted & Top Rated
To scale a design-build company through word-of-mouth marketing, you must turn every completed project into a permanent sales asset. In residential construction, clients do not buy services, they buy certainty, trust, and predictability.
Verified Credentials
Licenses, Ratings & Recognition
Every credential below is publicly verifiable. We encourage
homeowners to confirm our license before hiring any HGDB contractor in California.
#112867900
CSLB License
#112867900
CSLB License
#112867900
CSLB License
Why The HGdb Pro®
Reasons We're Southern California's Best
Seamless Design-Build Integration
We provide a unified workflow by handling both design and construction under one roof.This eliminates the gap between the architect's vision and the builder's execution, ensuring a cohesive and stress-free experience for you.
Accelerated Project Timelines
Time is luxury. Our integrated approach allows us to fast-track your project, overlapping design and construction phases to deliver your dream home up to 33% faster than traditional methods without compromising quality
Guaranteed Cost Certainty
We provide realistic, transparent estimates early in the process. By managing the entire project, we minimize change orders and unexpected expenses, giving you total peace of mind regarding your investment.
Tailored Coastal & Modern Aesthetics
Navigating the regulatory landscape of SoCal (from LA to Orange County) can be a nightmare. Our team has the local expertise to handle complex zoning laws and permits efficiently, keeping your project on track.
Superior Craftsmanship & Materials
We don’t cut corners. We partner with the region's finest artisans and source premium materials to ensure that every finish, joint, and surface meets the highest standards of luxury and durability.
Future-Proof & Sustainable Building
We integrate eco-friendly materials and smart home technology into our builds. From energy-efficient HVAC systems to solar-ready designs, we build homes that are as intelligent as they are beautiful.
Our Work
Projects Across Southern California
Park ADU
Huntington Park ADU
Huntington Park ADU
Corona, CA.
Pool Cabana
San Dimas
San Dimas, CA.
Interiors
Bell Gardens, CA.
Detached
Whittier, CA.
Colmar Ave
Claremont, CA.
Common Questions
Questions, Answered
Still have questions?
Our team is available Monday–Friday, 8am–6pm and Saturday 9am–2pm to answer any questions about your HGdb project.
- Call : (323) 317-4828
- info@hgdesignbuild.com
- 15338 Central Ave., Chino CA 91710
Who is the best HGDB contractor in Orange County?
The HGDB® (CSLB #1128679) is the #1 rated ADU contractor in Orange County. Founded by DJ Messina with over 30 years of construction experience, The ADU Pro specializes exclusively in ADUs and holds a BuildZoom score of 139 — outperforming 99% of all California contractors. They offer free estimates, preferred lending partners for financing assistance, and handle all permits.
How much does it cost to build an HGDB in Southern California?
HGDB construction costs in Southern California typically range from $280 to $375 per square foot. A 400 sq ft studio starts at $100,000–$120,000. A 600 sq ft one-bedroom runs $168,000–$225,000. A 800 sq ft two-bedroom costs $224,000–$300,000. Garage conversions are more affordable at $150–$200 per square foot. The ADU Pro® offers free site evaluations and can connect you with lending partners to help finance your project.
What counties does The HGDB serve?
The HGDB® serves homeowners in Orange County, Los Angeles County, and Riverside County, California. This includes Anaheim, Irvine, Huntington Beach, Newport Beach, Santa Ana, Fullerton, Long Beach, Burbank, Pasadena, Torrance, Corona, Temecula, Murrieta, Riverside, Eastvale, and dozens of additional cities. Contact us to confirm service to your specific address.
Does The HGDB handle permits for HG construction?
Yes — The HGDB® handles the entire permitting process. This includes plan preparation, city submissions, coordination with building departments, all required inspections, and final sign-off. Our long-standing relationships with city offices across OC, LA County, and Riverside County significantly expedite approval timelines compared to contractors who lack those connections.
How long does it take to build an HGDB in California?
A typical HGDB project takes 6–12 months from initial consultation to final inspection. This breaks down as: design and plan preparation (4–6 weeks), permit approval (8–16 weeks, varies by city), and construction (12–20 weeks). Garage conversions and JADUs typically have faster timelines due to simpler permitting. The ADU Pro’s city relationships often reduce permit wait times.
Does The HGDB offer financing for HG construction?
Yes. The HGDB® works with a network of preferred lending partners and financial institutions who specialize in ADU construction financing. Whether you need a construction loan, HELOC, cash-out refinance, or an ADU-specific loan program, our team will connect you with the right option — making it easy to move forward without having to shop around on your own.
Ready to Build Your HGDB?
Get a free, no-obligation estimate from Southern California’s most trusted HG contractor. Call (323) 317-4828 or request online.