SERVICES

L120 provides structural engineering and drawing production services, as well as general consultation and site-visit services. We pride ourselves on prioritizing what our clients need and not only providing them with the best solution but also extending the service as required to achieve what the client wants.
Explore our service sectors below for more detail on the services we provide.

Residential

We support homeowners, architects, and builders with structural design for new homes, remodels, additions, and multi-family buildings. From feasibility to final drawings, we deliver practical, clear solutions for projects of any scale.

Services include:

New custom homes & luxury builds
Remodels, additions, ADUs/DADUs
Multi-family: townhomes, condos, apartments
Structural assessments & feasibility reviews
Permit-ready structural drawings
Seismic evaluation & retrofit
Construction support & site visits

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Commercial

We provide structural engineering for commercial and mixed-use buildings, including new construction, interior renovations, and tenant improvements. Our team handles everything from structural evaluations to permit-ready drawings and on-site support during construction.

Services include:

Tenant improvements (office, retail, restaurant)
Small commercial new builds
Mixed-use components
Structural changes for occupancy updates
Commercial assessments & investigations
Seismic upgrades
Construction-phase support

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Foundation & Site Work

We deliver structural solutions for foundations, site structures, challenging terrain, and building stability, supported by strong relationships with foundation specialists and house movers.

Services include:

Foundation repair & restoration
Settlement, cracking, leveling evaluations
House lifting & cribbing consultation
Retaining walls & shoring systems
Slope/stability structural guidance
Deep & shallow foundation design
Site feasibility & early coordination

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