Services in Mission Viejo
Mission Viejo's master-planned communities feature homes from the 1970s through 2000s, many now prime for additions, ADUs, and structural upgrades. Affinity provides PE-stamped drawings tailored to Mission Viejo's building department. Beyond structural engineering, Affinity delivers complete plan sets with architecture, structural, and MEP coordinated under one PE — so Mission Viejo homeowners and GCs don't need to hire and manage separate firms.
ADU & garage conversion
PE-stamped plans for Mission Viejo ADU projects in master-planned communities. From $1,200.
Mission Viejo is a master-planned community with homes built from the 1970s–2000s. HOA requirements may affect ADU placement and design — verify CC&Rs before engineering.
Room additions & remodels
Structural design for Mission Viejo additions including patio enclosures and second stories. From $2,500.
Mission Viejo HOAs may restrict exterior modifications including additions. Verify CC&Rs before engineering scope commitment.
Load-bearing wall removal
Beam sizing for open-concept remodels in Mission Viejo tract homes. From $1,200.
Mission Viejo tract homes have consistent framing. Wall removal is straightforward with standard LVL beam applications.
Inspections & PE letters
PE-stamped inspection letters for Mission Viejo property transactions. From $400.
Mission Viejo inspection letters commonly address 1970s–1990s construction adequacy. Standard PE assessment for residential properties.
Commercial & TI
Structural engineering for Mission Viejo commercial projects and tenant improvements.
Mission Viejo's commercial stock is predominantly 1980s–2000s construction. TI follows standard CBC requirements.
Seismic retrofit
Seismic upgrades for older Mission Viejo homes. Foundation bolting and shear wall improvements. From $2,500.
Mission Viejo's 1970s–1990s homes were built to evolving seismic codes. Some early construction may benefit from lateral system upgrades.
Complete Plan Sets
Architecture, structural engineering, and MEP coordinated under one PE's oversight. One engagement, one set of drawings, one point of contact. No separate consultants to manage.
Architectural design — floor plans, elevations, sections, PE-stamped structural calculations and drawings, MEP engineering — mechanical, electrical, plumbing, All disciplines coordinated before submission, Plan check corrections + construction support
Three phases. Full PE oversight. Zero surprises.
From the first call to the final inspection, every project is led by a licensed PE with direct access throughout.
Clarity Before You Build
Submit the form. Tell us the project type, address, and timeline. You'll have a written scope and firm fee within 24 hours.
Engineered for Approval
Supported Through the Build
Direct PE access during construction. RFIs, field questions, inspector issues — same business day. The engineer who designed your project is the same one your GC can call.