Design, Engineering & Permitting in Los Angeles

"Design, Engineering, Permitting & Construction Under One Roof" is more than a tagline — it's the actual reason a Shulmen project tends to move faster than the typical Los Angeles remodel. The default process most homeowners fall into is fragmented by design: hire an architect to draw the plans, hire a separate structural engineer to stamp them, hire a permit expediter to walk the plan set through plan check, then hire a general contractor to build what was drawn. That's four firms, four contracts, and no single party accountable when the engineer's framing doesn't match the architect's floor plan, or a plan-check correction stalls because the expediter is waiting on the architect, who's waiting on the engineer.

Shulmen Construction LA (CSLB #1077837) keeps architectural design, structural and MEP engineering, and permit processing under one license, coordinated directly with the same team that pours the foundation and closes out the final inspection. That doesn't mean cutting corners on any one discipline — every engineered structural element still gets a licensed stamp, and every submittal still goes through the applicable building department's full review. It means the person designing the addition already knows what the structural engineer will require, and the person managing the LADBS or Beverly Hills submittal is the same person who will be on-site when the inspector shows up.

Design

Design starts with an initial consultation and site assessment, then moves into design development that responds to the home's existing architecture — Spanish Colonial, Tudor, Mediterranean Revival, or contemporary — and the owner's program for the space. For a room addition or ADU, that includes site planning against the property's zoning setbacks, floor-area ratio, and lot coverage before a single permit drawing is started, so the design that gets approved is the design that actually gets built.

Engineering

Engineering covers structural design — foundations, framing, shear walls, moment frames, seismic considerations — and MEP (mechanical, electrical, plumbing) system design, producing the calculations and permit-ready drawings a plan checker needs to approve the project. California law draws a real line here: under Business & Professions Code Section 5537, a single-family wood-frame dwelling of no more than two stories and a basement can be designed without an architect's or engineer's stamp as long as it follows conventional framing tables in Title 24 — but the moment a project involves an engineered structural component (a shear wall, a retaining wall over four feet, structural steel, glu-laminated beams, or a moment frame), that portion legally requires a licensed architect or structural/civil engineer's stamp. Most room additions, second-story additions, and load-bearing wall removals fall on the side of that line that needs one. Shulmen manages structural and MEP engineering in-house or through longstanding engineering partners, so the drawings are sized correctly against what the specific project needs the first time.

Permitting

Permitting means submitting the plan set to whichever building department has jurisdiction over the property, responding to plan-check correction comments, paying the applicable fees, and pulling the issued permit — then scheduling and closing out every inspection before final sign-off. Which department that is depends on the address: LADBS for most of the neighborhoods Shulmen builds in, or an independent city department for Beverly Hills, West Hollywood, and Santa Monica, each with its own submittal system, fee schedule, and review timeline. A Hancock Park project with street-visible exterior scope adds a layer of Historic Preservation Overlay Zone (HPOZ) review on top of standard plan check. Shulmen manages that submittal and correction process directly with the applicable department rather than handing it to a third-party expediter — see the Los Angeles Building Permits Guide for the full jurisdiction-by-jurisdiction comparison.

How the three disciplines move together

On a fragmented project, design, engineering, and permitting happen in sequence across separate firms — the architect finishes and hands off, the engineer picks the drawings up cold and finds something that needs to change, the plans go back to the architect for a redraw, and the permit expediter doesn't start until that loop closes. Every one of those handoffs is a place a project can stall for weeks. Shulmen runs the same three disciplines as one continuous scope instead: the engineering is sized into the design from the first floor plan, not bolted on afterward, and the person managing the LADBS or Beverly Hills submittal already knows why every wall is where it is, because they were in the room when it was drawn. That's what keeps a plan-check correction from turning into a multi-week redesign cycle.

For the full stage-by-stage breakdown — including how construction and final inspection follow once permits are issued — see the Shulmen process page.

Shulmen scopes and manages design, engineering, and permitting as one continuous process, but a few calls upstream of that process are the homeowner's to make, not the contractor's — decisions worth working through in an initial consultation rather than assuming there's only one right answer.

• Structural engineer vs. architect alone. Under California Business & Professions Code Section 5537, a single-family wood-frame dwelling of no more than two stories can be designed without an architect's or engineer's stamp as long as it follows conventional framing tables in Title 24 — but the moment a project includes an engineered structural component, that portion legally needs a licensed architect or structural/civil engineer. A straightforward cosmetic remodel usually doesn't cross that line; a room addition, a second story, or a load-bearing wall removal almost always does. Knowing which side of that line a specific project falls on, before design starts, avoids designing something that later has to be re-engineered.
• In-house design team vs. bringing your own architect. Some homeowners arrive with an architect already engaged, often because they want a particular design relationship or aesthetic point of view carried through the project. Shulmen can build from an outside architect's drawings, or handle design in-house from the first sketch — both are legitimate paths, and the tradeoff is mostly about how many parties are coordinating the engineering and permitting handoff. An in-house design team removes that handoff; bringing an outside architect keeps a design relationship a homeowner may already value.
• How much design development to invest in before permitting starts. A design can be taken to a fairly rough schematic level before submitting for plan check, or developed in much greater detail first — material selections, elevations, interior layouts fully resolved. More design development up front generally means fewer plan-check correction cycles and fewer changes requested mid-permit, but it also means more time and cost spent before a permit is even in hand. Neither approach is wrong; it depends on how firm the homeowner's vision already is and how much risk tolerance they have for scope changing once the project is under review, versus how quickly they want a permit set moving through the applicable department.

Real challenges on this kind of work

Keeping design, engineering, and permitting under one roof removes a lot of the friction a fragmented process creates, but a few challenges are inherent to permitted construction itself, not to how the team is structured — worth understanding going in so they don't feel like project failures when they show up.

Plan-check revision cycles when a jurisdiction pushes back. Even a well-prepared submittal can come back from LADBS, Beverly Hills Building & Safety, or another department with correction comments — a detail that needs more documentation, a calculation the plan checker wants clarified, a condition the drawings didn't fully address. Responding to that correction list and resubmitting is a normal part of the process, not a sign something went wrong, but it does mean the project's actual permit timeline is only knowable once the first round of review comes back, not before.

Coordinating design changes mid-permit without restarting the clock. A homeowner sometimes wants to change something — a window size, a room layout — after a plan set is already submitted or even after a permit is issued. Minor changes can often be handled as a plan-check revision without losing the project's place in the review queue; a change substantial enough to affect the structural design or the approved scope typically has to go back through review, which is why Shulmen flags exactly which category a requested change falls into before making it, rather than assuming a small-sounding change is a small change to the permit.

Balancing design ambition against what a specific lot's zoning actually allows. Setbacks, floor-area ratio, lot coverage, and height limits vary by zone and sometimes by overlay district, and they cap what's physically buildable on a given lot regardless of budget. The most useful point to find out where those limits sit is during initial design, not after a homeowner has fallen in love with a floor plan that the property's zoning can't actually support — which is part of why Shulmen's design phase starts with a zoning and site-planning review before drawings get detailed.