Business Details
Expert Seismic Retrofitting Services in San Francisco
Nabi Construction & Engineering has established itself as a trusted leader in structural and seismic retrofitting solutions for residential and commercial properties. With over two decades of hands-on experience, our team specializes in navigating San Francisco's complex regulatory landscape, maintaining strong relationships with city officials, inspectors, and subcontractors. We deliver comprehensive construction management services, from initial assessment to project completion, ensuring every project meets strict timelines, budget constraints, and occupancy requirements. Our expertise spans soft-story retrofits, unreinforced masonry reinforcement, concrete tilt-up retrofits, and both vertical and horizontal structural modifications.As licensed California contractors and registered professional engineers, we combine technical precision with practical construction knowledge to execute projects ranging from single-story buildings to multi-level complexes. Our principal manages every project personally, maintaining direct oversight from concept to completion. Recognized as pioneers in voluntary seismic retrofitting, we completed landmark projects like the 201 11th Avenue transformation before mandatory city programs existed. Today, we continue serving San Francisco and surrounding areas with innovative design-build solutions that integrate structural engineering, architectural design, and general contracting expertise.
Services
Seismic Retrofitting
Structural Modification
General Contracting
Architectural Design
Design-Build
Highlights and features
- 20+ years managing seismic retrofit projects personally overseen by company principal
- Licensed California contractors and registered professional engineers on staff
- Proven track record with hundreds of completed residential and commercial projects
- Established relationships with San Francisco city officials and building inspectors
- Specialized expertise in soft-story retrofits and unreinforced masonry reinforcement
Services
Seismic Retrofitting
We strengthen buildings against seismic activity through customized retrofit solutions. Our engineers assess structural vulnerabilities and implement code-compliant upgrades including shear walls, braced frames, and foundation bolting. Specializing in both mandatory and voluntary retrofits, we minimize disruption while enhancing safety for residential and commercial properties.
Structural Modification
Our team executes complex structural changes while maintaining building integrity. Services include adding steel moment frames, modifying load paths, and reinforcing concrete elements. We handle projects requiring precise engineering calculations for vertical additions, floor plan reconfigurations, and seismic upgrades to existing structures.
General Contracting
We oversee complete construction projects from permit acquisition to final inspection. Our full-service approach coordinates all trades, materials, and timelines while maintaining direct communication with property owners. This includes tenant improvements, new construction, and multi-phase retrofit projects requiring specialized subcontractor management.
Architectural Design
Our integrated design services create functional spaces that meet structural requirements. We develop plans for seismic upgrades combined with aesthetic improvements, including new entrances, exterior walls, and interior layouts. Our designs balance code compliance with practical usage needs for residential and commercial buildings.
Design-Build
We provide coordinated design and construction services under one contract. This streamlined approach ensures seismic upgrades, structural modifications, and architectural elements work together seamlessly. Clients benefit from single-point accountability and efficient project delivery from concept through completion.
Questions
What types of seismic retrofitting do you specialize in?
We specialize in soft-story retrofits, unreinforced masonry reinforcement, concrete tilt-up retrofits, and structural modifications for both residential and commercial buildings.
Are your engineers licensed in California?
Yes, our principals are Registered Professional Engineers and Licensed Contractors in California with over 15 years of retrofitting experience.
Do you handle both residential and commercial projects?
We work on all building types including multi-family residences, apartment complexes, and commercial properties requiring seismic upgrades.
How long does a typical retrofit project take?
Project timelines vary by scope but we prioritize completing work within agreed schedules while minimizing occupant disruption through careful planning.
What areas do you service?
We operate throughout San Francisco and surrounding Bay Area cities including Walnut Creek, Oakland, and Berkeley.
Can you handle city permitting requirements?
Yes, we manage all aspects of city coordination including plan submissions, inspections, and compliance with San Francisco's mandatory retrofit program requirements.
