An architect in a white hard hat and neon yellow safety vest writing on blueprints at a desk in a modern office with large windows overlooking a cityscape and construction site.

Engineering Solutions for Every Project

Persepolis Engineering provides Structural, Civil, and MEP Engineering Services for residential, multifamily, and commercial projects.

Our Services

Structural Engineering

  1. New Home Structural Design
    Complete structural plans and calculations for custom homes, including foundations, floor and roof framing, beams, columns, and connections.

  2. ADU Design & Additions
    Structural engineering for accessory dwelling units (ADUs), including detached units, attached additions, and garage conversions, with foundation and framing designs tailored to each project.

  3. Foundation Design & Inspections
    Foundation designs for new construction and additions, along with inspections to evaluate cracking, settlement, and existing conditions.

  4. Framing Design & Inspections
    Structural framing design and on-site inspections to review beams, columns, walls, and floor and roof systems against structural plans.

  5. Remodeling & Additions
    Engineering for home additions, open-floor-plan conversions, load-bearing wall removal, and modifications to existing structures.

  6. Structural Retrofits
    Evaluation and strengthening designs to address structural deficiencies and improve the performance of existing buildings.

  7. Existing Building & As-Built Evaluations
    Inspections and documentation of accessible structural conditions to support renovations and assess existing construction.

  8. Fire Damage Inspections
    Structural evaluations of fire-damaged buildings to assess visible damage to framing, connections, and other structural components, with recommendations for further investigation, repair, or replacement.


Civil Engineering

  1. Drainage Analysis & Improvements
    Evaluation of runoff patterns, standing water, and drainage concerns, with recommendations and designs to improve water flow and help protect buildings and surrounding property.

  2. Grading Analysis & Design
    Assessment of existing site elevations and slopes, with grading plans to improve drainage and support new construction, additions, and site improvements.

  3. Detention & Water Quality Pond Inspections
    Inspections of detention and water quality ponds to assess visible conditions, inlet and outlet structures, sediment buildup, erosion, and maintenance needs.

  4. French Drain Design
    Site-specific French drain designs to collect and redirect subsurface water, addressing saturated soil and moisture concerns around foundations, yards, and landscaped areas.

  5. Floodplain Analysis
    Evaluation of floodplain conditions and potential flood impacts to support site planning, development decisions, and permitting requirements.

  6. Hydrologic Modeling
    Analysis of rainfall, drainage areas, and stormwater runoff to estimate peak flows and runoff volumes, supporting drainage design, detention sizing, and flood studies.


Two construction workers wearing helmets examine blueprints on a wooden table at a residential construction site surrounded by trees and new houses with large windows.
A man in construction attire and a white safety helmet examines a site plan near a pond in a landscaped residential area with houses and trees.

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