A&S Engineering®Est. 1988
Aerial view of a completed A&S retail and fueling site
Since 1988 · Canyon Country, CA

Fuel, retail and restaurant sites — designed, entitled and permitted.

Architecture, civil, MEP and fuel system design under one roof, with the local regulatory knowledge that gets sites approved faster.

Start a ProjectCall +1 661 250 9300
“Their knowledge of the area and regulators at the city … saved a number of months during the early development process.”
Real Estate Manager, Marathon Petroleum
Trusted by
Our Firm

A family-founded firm of architects, engineers and project managers. For more than 30 years we have razed, rebuilt and developed gas stations, convenience stores, restaurants and retail centers for national brands across California, Nevada, Oregon, Washington, Arizona and Hawaii.

1988
Founded by Ahmad & Susan Ghaderi
90%
Repeat business from loyal clients
[PLACEHOLDER — [XX]]
Cities & counties permitted in
Portrait of Ahmad Ghaderi
Portrait of Susan Ghaderi
Ahmad & Susan GhaderiFounders · family-owned since 1988Meet the team +
Selected WorkView full portfolio +
Aerial view of Copper Hill PlazaRetail Center · Santa Clarita, CA · 2020Copper Hill Plaza +4 buildings · 35,000 sf · delivered in 1 year
Convenience Store · La Cañada Flintridge, CALa Cañada 7-ElevenConvenience store for a national brand.
How We Work

From bare lot to building permit — one team, start to finish.

  1. 01

    Feasibility & Planning

    Feasibility Study · Site Investigation Reports

  2. 02

    Entitlement

    Rezoning · Site Plan Approvals · working directly with governing bodies and utility providers

  3. 03

    Design & Permitting

    Architecture · Civil · MEP · Fuel System Design · Construction Documents · Permit Expediting

  4. 04

    Construction Management

    Project Bidding · Contractor Selection · Budget Management · Contract Administration · Close-out

See all services +
Who We Work With

Built for the teams that develop sites at scale.

Each client type has different priorities — compliance, brand consistency, tenant timelines or procurement. We have decades of experience with all four.

Oil Companies +Fuel stations, tank services and fuel system design for Shell, Chevron, Marathon, BP and more.Restaurant & Franchise Developers +Prototypes and site adapts for Starbucks, Taco Bell, KFC, Pizza Hut and other national brands.Retail Developers +From pad sites to full tenant finish-outs for shopping centers like Copper Hill Plaza.Public Agencies +Niche and complex projects for the U.S. Navy, Los Angeles Fire and City of Torrance Transit.
“A & S Engineering handled all work related to the entitlement process through final approval of the building permit. I would highly recommend A & S Engineering for your entitlement and A/E services.”
Real Estate Manager, Marathon Petroleum
[PLACEHOLDER — Second client testimonial — e.g. a repeat convenience-store or QSR client]
[PLACEHOLDER — Name, Title, Company]
Start a Project

Tell us about your site.

A few details help us respond with a realistic scope and timeline. Prefer to talk? Call +1 661 250 9300, weekdays, 9am–5pm.

It depends on the jurisdiction and the site. Our relationships with local regulators routinely shorten the process — one client credits us with saving months during early development. Call us for an estimate for your site.

Start a Project