San Gabriel Valley
Building Design &
ADU Plans in Sierra Madre
Sierra Madre sits at the base of the San Gabriel Mountains, which means many properties here involve hillside conditions, slope considerations, and grading requirements that add complexity to any building project. We’ve designed and permitted projects in Sierra Madre that other firms declined because of the topographical challenges. We understand hillside development standards, retaining wall setback requirements, and how to demonstrate code compliance on sloped lots.
Why Sierra Madre Clients Work With Us
Sierra Madre’s small-town planning department means you’re often working directly with senior staff — which is an advantage if your plans are thorough and a problem if they’re not. We prepare complete submittals that respect both the city’s development standards and the practical realities of building on hillside properties.
With over 1,500 residential and commercial projects completed across Los Angeles County in the last decade, we bring a depth of experience that most firms can’t match. We don’t just know the California building code — we know how Sierra Madre’s building department applies it.
Many Sierra Madre properties involve hillside conditions that require grading analysis, geological review, and slope setback compliance.
Our Services in Sierra Madre
ADU Design
Detached ADUs, garage conversions, junior ADUs, and two-story units. Permit-ready plans designed for Alhambra’s specific requirements.
Custom Home Design
Ground-up residential design from modern to traditional. Complete construction documents engineered 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.
Commercial Tenant Improvements
Restaurants, retail, offices, and industrial spaces. Functional commercial environments that meet code and reflect your brand.
Start Your Sierra Madre Project
Free consultation. We’ll evaluate your property, discuss feasibility, and give you a clear picture of timeline and cost. No pressure, no obligation.