Red Arch LA
Leaders In Quality Residential Design
Our mission is to leverage our expertise in Los Angeles zoning, ADU regulations, and SB-9 requirements to deliver cost-efficient, buildable designs that maximize property value and return on investment while streamlining the design and permitting process.
Red Arch LA
About Red Arch LA
We are a Los Angeles based residential architectural design firm specializing in ADU design, garage conversion ADUs, SB 9 developments, and residential permitting services throughout the City of Los Angeles and surrounding Los Angeles County communities. Our team provides comprehensive architectural design, planning, and permit expediting services for accessory dwelling units (ADUs), SB 9 lot splits, multi unit residential projects, custom homes, additions, remodels, and pools. We guide homeowners, developers, and real estate investors through every stage of the process, from feasibility studies and design to city approvals, helping clients navigate Los Angeles zoning regulations and maximize the development potential of their properties.
Our Services
Architectural Design
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ADU design (detached, attached, garage conversions)
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SB 9 developments and lot splits
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Custom homes and multi-unit residential
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Additions and remodels
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Pool and site design
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Feasibility studies and conceptual design
Planning and Permitting
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Permit drawings and submittals
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City approvals and plan check coordination
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Zoning analysis and feasibility reports
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Permit expediting services
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Covenant and required documentation processing (JADU, SB 9, etc.)
Development Consulting
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Property development strategy
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Buildable area and massing studies
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Density and unit yield studies
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Developer consulting
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Cost-efficient design solutions
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Highest and best use analysis
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Project feasibility
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Pre-purchase property evaluation​
Red Arch LA Leading Quality Residential Design
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Residential Design
From custom homes and additions to remodels and accessory dwelling units (ADUs), we create thoughtful residential designs that enhance livability and maximize property value. Our team guides clients from concept through permitting, ensuring efficient and buildable solutions tailored to Los Angeles regulations.
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ADU and SB 9 Development
We specialize in ADU design, garage conversions, and SB 9 developments that help homeowners and investors unlock the full potential of their properties. With deep expertise in local zoning and permitting requirements, we deliver cost-efficient designs focused on maximizing return on investment.
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Planning and Permitting Services
Navigating city approvals can be complex. We streamline the process through zoning analysis, feasibility studies, permit coordination, and plan check support, helping projects move efficiently from design to approval.
Our Projects
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2022
Year of Establishment
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282
Projects Completed
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$150M
Est. Project Value
Testimonials
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John
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