Performing to the best of our capabilities with our client's interest at heart.

Company Overview

A To Z Building, Inc. is a fully certified and licensed general and engineering contractor located in Torrance, California. Founded in 1993, we specialize in construction, demolition and hazardous material abatement for both private companies and government contracts.

A To Z Building has earned the trust of our clients through our highest standards of quality, advanced technology, strict safety guidelines, superb customer service and environmental awareness.

The majority of our work – project management from initial estimate through final cleanup – involves abatement and demolition but also includes surface preparation and grading services.

We are invested in our clients' success and it shows, having delivered outstanding work for thousands of commercial clients, apartment complexes, the California Department of Transportation (Caltrans) and, most recently, the United States Navy.

Certified Woman Owned Business

A To Z Building, Inc. is proud to be an acknowledged Women Owned Business as certified by the Women's Business Enterprise National Council (WBENC, http://www.wbenc.org).

A To Z Building is committed to the highest standards of…

quality, safety and customer service.


What We Do



A professional demolition contractor with a wide range of capabilities.

  • ➤  Project management
  • ➤  Notifications & permits
  • ➤  Utility disconnect coordination
  • ➤  Dig-alerts
  • ➤  Grading

Surface Preparation – Hydro Blaster

Hydro Blaster Surface Preparation

Our green, hydro blasting technology works better than chemicals or sandblasting.

  • ➤  Surface preparation
  • ➤  Tar & water-proofing removal
  • ➤  Surface rubber removal
  • ➤  Stripe & traffic markings removal



We are experts in the safe clean up and removal of toxic materials.

  • ➤  Experienced in asbestos, lead & mold abatement
  • ➤  Employ highly trained & certified technicians
  • ➤  Deliver work that meets or surpasses industry standards
  • ➤  Work cleared by an Independent Consultant (CIH)


Other Capabilities

As part of our construction-industry commitment, we offer a range of services.

  • ➤  Renovation:  commercial buildings, schools & apartment units
  • ➤  Reconstruction:  reconstruction & de-leading of a firing range

Company Data, Designations, Certifications & Bonding


Everyone at A To Z Building – from our office staff to on-site supervisors to workers in the field – are highly trained, experienced and qualified (and licensed where applicable) professionals.

As a sound, responsible contractor, all A To Z Building staff, crews and services are fully insured and bonded.

Licenses & Trade Certifications

  • State Contracting License 937379
  • General Engineering License, Class A
  • General Construction License, Class B
  • Earthwork & Paving – C12
  • Building Moving & Demolition – C21
  • Landscaping – C27
  • Painting & Decorating – C33
  • Hazardous Substance Removal – HAZ
  • Asbestos Abatement – ASB
  • Fencing – C13
  • Lead Certified Contractor

Contracting Certifications

  • 8(a) certified firm approved 10/15/08-10/14/17 SBA#302780 POC stephon.ash@sba.gov
  • NAICS Codes: 562910, 541620, 561990, 561790, 236220, 236210, 236118, 236117, 236116, 236115, 238320, 238350, 238910, 332812, 541320, 541330, 562112, 562998
  • DUNNS# 119870145
  • Cage Code # 4C066

Small Business Certifications

  • Small Business Administration (SBA)
  • Women's Business Enterprise National Counsel (WBENC)
  • Department of General Services (DGS), State of California
  • California Unified Certification Program (CUCP)
    • City of Los Angeles
    • City of Long Beach
    • Port of Long Beach
  • Small Business Enterprise (SBE),
     Metropolitan Water District of Southern California

Safety Certifications

Our safety supervisors and crew leaders are safety trained and have earned the following:

  • OSHA 30 Certificate for supervisors
  • OSHA 10 Certificate for crew
  • OSHA HAZWOPER Certificate

Prior to crew assignment, we provide our supervisors with additional training where appropriate:

  • OSHA Trench Safety
  • OSHA Construction Safety
  • U.S. Army Core of Engineers EM385


We pride ourselves on the quality of equipment (that includes the latest advances in technology along with our tried-and-true stalwarts) that we keep in tip-top shape.

  • Hydro-Blaster high-pressure water jet systems
  • Water truck and trailer
  • Hauling trucks
  • Bobcat
  • Floor scraper
  • Negative air equipment
  • Dehumidifier
  • Industrial blowers
  • Boom lift & scissor lifts
  • Soil screener & conveyor

Bonding Capacity

We provide one million dollars single award and three million dollars in the aggregate.