Jackson & Sands Engineering, Inc.

Civil, Structural, and Architectural Design with a Builder's Perspective

Website

About the firm

Jackson & Sands Engineering delivers civil, structural, and architectural design services from offices in Grass Valley and Chico, California. Founded by Sean Jackson and Frank Sands, the practice combines over 30 years of combined design and hands-on construction experience to serve owners, AEC professionals, and government agencies. Services span residential and commercial structures, affordable housing, bridge design, retaining walls, and municipal on-call work for 14-plus cities and counties. A builder's perspective underpins every project, ensuring designs are both technically sound and practically constructable.

Team
Micro
Firm type
Structural Engineering · Civil Engineering

People

Sean JacksonPrincipal / Co-Founder

Frank SandsPrincipal / Co-Founder

Capabilities

Structural & Architectural Design

Service website

Provides comprehensive structural and architectural design plans for residential, commercial, and industrial projects.

  • Residential Design

    Comprehensive structural and architectural design for residential properties and additions.

  • Commercial Design

    Structural engineering and planning for commercial facilities.

  • Industrial Design

    Engineering services for industrial developments and facilities.

Construction Engineering

Service website

Delivers construction engineering support to ensure site safety, constructability, and regulatory compliance.

  • Falsework & Formwork Design

    Temporary structure engineering to support construction loads.

  • Claims Analysis

    Technical analysis of structural and construction claims.

  • Seismic Anchor Calculations

    Calculations to ensure anchorage complies with seismic standards.

Specialized Infrastructure

Service website

Designs specialized civil infrastructure elements including bridges, retaining walls, and specialized fill.

  • Retaining Wall Design

    Structural design for soil retention and stabilization.

  • Bridge Design

    Engineering for vehicular, pedestrian, and temporary modular bridges.

  • Submerged Timber Pile Retrofits

    Engineering and rehabilitation plans for timber pile systems.

  • Geofoam Roadway Fill Design

    Lightweight fill solutions for roadway subgrade and slope stabilization.

Public Works Support

Service website

Assists public works departments and municipalities with on-call engineering and structural assessments.

  • On-call Site Planning

    Site assessment and spatial planning on an on-call basis.

  • ADA Compliance

    Assessments and upgrades to ensure compliance with ADA regulations.

  • Parking Garage Repair

    Structural engineering and rehabilitation plans for parking structures.

  • Foundation Design for Public Art

    Structural engineering and anchorage for sculptures and public art installations.

Institutional Support

Service website

Delivers municipal on-call engineering services and design solutions for tribal and affordable housing projects.

  • Tribal Housing

    Structural and planning services for native and tribal community housing.

  • Affordable Housing

    Engineering and architectural plans for multi-family affordable housing projects.

  • Municipal On-call Services

    On-call engineering support for cities and counties.

Industrial Engineering

Service website

Engineers robust structural solutions and compliance assessments for industrial systems and equipment.

  • High-voltage Enclosures

    Structural design and anchorage for electrical and high-voltage housing.

  • Pre-engineered Metal Building Waste Facilities

    Structural foundation and engineering for PEMB waste and recycling sites.

  • Seismic & OSHA-Compliant Anchorage

    Structural calculation and design of equipment anchoring to meet OSHA and seismic codes.

ADU Design

Service website

Designs Accessory Dwelling Units to maximize space while ensuring structural and local regulatory compliance.

Industries

Residential · Affordable Housing · Commercial · Industrial · Government · Bridges · Highways & Roads · Stormwater & Flood Control

Projects

Toro Creek Temporary Bridge

Bridges · 2026

Project details

A modular, rapid-deployment steel girder bridge designed to restore access over a storm-ravaged creek despite severe weight restrictions on the approach route.

Rancheria Culvert Cast-in-Place Innovation

Oroville, CA · Stormwater & Flood Control · 2025

Project details

A three-span bottomless culvert installation utilizing cast-in-place innovation to solve construction lead-time challenges.

Open Concept ADU

Grass Valley, CA · Residential · 2025

Project details

A 1,200 square foot Accessory Dwelling Unit utilizing seamless indoor-outdoor living and heavy timber design.