PAS Architects – Architecture Services in California

At PAS Architects, we provide comprehensive architecture services in California, helping homeowners, developers, and business owners bring their vision to life. As a full-service architecture firm, we specialize in custom home design, ADU architecture, home remodels, multifamily residential projects, commercial architecture, and interior architecture and design — all delivered with deep care, creativity, and code expertise.

Whether you’re planning a new custom home, designing a garage conversion ADU or JADU, or renovating an existing space, our team brings technical clarity, adaptive thinking, and passive design strategies that align with your site, budget, and long-term goals.

We also serve investors, developers, and business owners with smart, scalable solutions for multifamily housing and commercial architecture in California — ensuring every project meets zoning codes, maximizes property value, and supports performance over time. From flexible live-work spaces to retail, office, and tenant improvements, our work reflects your needs and local context.

As a licensed architecture firm in California, PAS Architects supports every phase of your project — from feasibility and conceptual planning to permit-ready plans, city coordination, and construction support. Our service-driven approach ensures your experience is clear, collaborative, and deeply personalized — because great architecture starts with understanding and ends with impact.

Custom Home

Tailored residences that reflect your lifestyle, values, and vision.

ADU

Smart, efficient design solutions that seamlessly expand your space.

Remodels

Thoughtful updates that respect the original while improving function, flow, and beauty.

Multifamily

Well-balanced living environments that foster community, comfort, and performance.

Commercial

Purpose-driven spaces that elevate business, rooted in design clarity and sustainability.

Add-ons

Targeted services that enrich design, coordination, and execution.

Architecture Services California Q&A

Custom Home Architect

Looking for a trusted custom home architect in California? PAS Architects specializes in personalized, sustainable home designs that reflect your lifestyle, site conditions, and long-term goals. From vision to permit-ready plans, we guide your custom build every step of the way.

Question	Answer
How do I start designing a custom home with PAS Architects?	We begin with a discovery session to understand your goals, budget, and site conditions. From there, we guide you through concept design, city approvals, and construction documents. Book a free consultation.
How much does a custom home architect cost?	Our fees vary depending on size and complexity. Use our Custom Home Cost Calculator to get a tailored estimate for your project.

ADU Architect

Our team provides full-service support for ADU architecture in California, including garage conversion ADUs, detached units, and JADUs. As your local ADU architect, we deliver smart, code-compliant, and efficient solutions designed for rental income, family living, or flexible space.

Question	Answer
Do I need an architect for a garage conversion ADU?	Yes — in California, all ADUs must meet strict code requirements. Our licensed ADU architects ensure your design is permit-ready, functional, and efficient. Get a free consultation.
How much will it cost to design my ADU?	Our pricing starts at $5,950 for garage conversions. Try our ADU Cost Calculator for a quick estimate based on your site and goals.

Home Remodel Architect

Transform your existing space with PAS, a top-rated home remodel architect serving California homeowners. We specialize in adaptive redesigns, room additions, and structural upgrades — all tailored for performance, comfort, and long-term value.

Question	Answer
What’s included in your remodel design services?	We offer full architectural services for home remodels — including layout redesigns, structural coordination, and city submittals. See our Remodels & Additions services.
How much does a remodel architect cost?	Use our Remodel Cost Calculator to estimate design fees based on your project type and square footage. Most remodel designs start at $6,000+.

Multifamily Architect

As an experienced multifamily residential architect in California, we help developers and investors unlock property potential through duplexes, small-lot homes, and density-optimized site planning. Our designs meet zoning, maximize yield, and ensure market appeal.

Question	Answer
Can PAS Architects design small lot or duplex developments?	Yes — we specialize in efficient, code-compliant multifamily projects including duplexes, triplexes, and townhomes. Book a free consultation to explore options.
Do you handle zoning and density studies?	Absolutely. We offer pre-design zoning analysis to determine unit count, parking requirements, and setbacks. Check California’s Multifamily Density Bonus Law for updated guidelines.

Commercial Architect

PAS Architects offers expert commercial architect services in California, including retail, office, restaurant, and tenant improvement design. We ensure every project aligns with city codes, ADA requirements, and your brand vision — from layout to permits.

Question	Answer
What types of commercial projects do you design?	We work on retail spaces, restaurants, offices, and tenant improvements. Every project is tailored to local codes, ADA requirements, and your brand vision. Explore commercial services.
Can you help with permitting in LA or OC?	Yes — we navigate plan check, occupancy classification, and fire code compliance across Southern California cities. Book a consultation to discuss your site.

Interior Architect & Designer

Looking for a modern, integrated approach to interior architecture and design? PAS Architects blends spatial planning, finishes, lighting, and built-in details into each project. We design interiors that are as functional as they are beautiful.

Question	Answer
Do you provide interior architecture along with building design?	Yes — we integrate spatial planning, material selections, lighting, and built-in elements into our interior architecture. See interior design services.
Can you help furnish and finish the interiors too?	We offer interior layout packages and curated finish selections. For high-end or full-furnishing projects, we coordinate with trusted design partners. Schedule a call to talk through your needs.

Successful Projects & Satisfied Customers.

★★★★★ 5/5

Larry was quick, efficient, very easy to work with. Larry provided architectural work, including all blueprints, layouts, material list, and everything I needed. Larry did very complete and detailed work far beyond what I expected. I will work with Larry on any and all future projects and I will not hesitate to recommend Larry and/or be a direct reference if anyone needs information on his work

Larry was easy to work with, worked fast and made all requested changes and stayed on our timeline. I would work with Larry again and I will recommend him to anyone that needs an architect

Working with Larry to build my dream home from the ground up has been an incredible experience. From the very first planning and schematic phases to the detailed building development, contractor selection, and final construction, Larry guided me every step of the way with care and expertise. Although it’s a small home, the dedication, collaboration, and attention to detail made it truly special. I couldn’t have asked for a better partner in bringing my vision to life.