Contact Golden State

Drop us a line! We look forward to discussing your next project with you!

Cut the chase! Schedule a face-to-face virtual meeting with us today to dive into your project's next steps.

For our returning clients, experience our streamlined, contact-free project proposal process. Simply fill out our short project questionnaire, and we'll deliver your project proposal within 72 hours.

Contact Us:

Category: Luxury Homes

How Much Does a Home Addition Cost in California: A Complete 2025 Guide for Homeowners

Adding more square footage to your existing home is about improving your living space, adding modern convenience, and boosting property value. Yet many homeowners want to know, how much does a home addition cost, in real terms. What are the average cost, factors influence the total project cost, and how can you save money while […]

Golden State Design & Engineering

July 11th, 2025

Luxury Living Redefined: The Impact of Thoughtful Interior Design

In the realm of luxury living, interior design isn’t just about aesthetics; it’s a philosophy that transforms spaces into sanctuaries of elegance and functionality. Thoughtful interior design transcends mere decoration, influencing lifestyles and well-being. Let’s delve into how it redefines luxury living. Creating Personalized Retreats: Thoughtful interior design tailors spaces to individuals, reflecting their tastes, […]

Golden State Design & Engineering

July 1st, 2024

#NAICS’s:

541310 Architectural Services &
541330 Engineering Services

DUNS NO:

119132267

#SIC’s

8712 Architectural Services &
8711 Engineering Services

Cage #

9R4L5

#UNSPSC’s:

81101500, 81101502, 81101505, 81101508, 81101526, 81101533, 81101522

Partnered with #1 ADU Builders