San Gabriel Valley
Building Design &
ADU Plans in South Pasadena
South Pasadena is a small city with a strong sense of architectural character – and a planning department that reflects it. Projects here often face closer design scrutiny than in larger neighboring cities, particularly in areas with historic homes. We’ve worked extensively in South Pasadena and understand the balance between modern building requirements and the city’s expectations for neighborhood compatibility.
Why South Pasadena Clients Work With Us
ADU projects in South Pasadena need to respect the city’s residential character while meeting California’s ADU provisions. We design units that satisfy both the state’s by-right requirements and the practical realities of South Pasadena’s lot sizes and neighborhood patterns.
With 1,500+ projects completed across Los Angeles County since 2015, we bring a depth of experience that most firms can’t match. We don’t just know the California building code – we know how South Pasadena’s building department applies it.
South Pasadena’s compact lot sizes and older housing stock require careful site planning for ADU placement and utility routing.
Our Services in South Pasadena
ADU Design
Detached ADUs, garage conversions, junior ADUs, and two-story units. Permit-ready plans prepared for South Pasadena’s specific requirements.
Custom Home Design
Ground-up residential design from modern to traditional. Complete plan sets prepared for permitting.
Additions & Remodels
Room additions, second stories, kitchen and bath redesigns, whole-home renovations. Seamless integration with existing structures.
Plan Check Corrections
Plans stuck in review? We take over stalled projects, resolve code issues, and get permits approved.
Legalize Unpermitted Work
As-built documentation, code compliance analysis, and permit legalization for existing unpermitted additions and conversions.
Duplexes, Triplexes & Fourplexes
Duplexes, triplexes, and fourplexes, up to four units and two stories. Density analysis and code-compliant design.
Start Your South Pasadena Project
Free consultation. We’ll review your project and the permit path, then quote a flat fee in writing. No pressure, no obligation.