How Reviewers Weigh Modular Engineering in California — The Five Receipts, City by City
AFFILIATED DIRECTORY — PUBLISHER'S OWN FIRMS, PUBLISHED STANDARD
Every claim is weighed against the same receipts in California: the licensee named and verified, the label chain documented, the revisions identified, the inspections signed in order, and the record the owner will hold. This hub carries the directory's California city pages — Los Angeles, Sacramento, San Diego, San Francisco — each with the receipts localized, the local permitting facts, and the license check for the state.
How do I weigh a modular claim made for a project in California?
Through the same five receipts as everywhere — the license (who seals the site work in California, and does the board record carry the name, active and in-discipline?), the label (which program approves the factory work for California, and what paperwork ties each unit to the approved set?), the set (which revision are you pricing, and whose seal stands behind its current form?), the inspections (whose signatures, dated before each closure?), and the record (what file will you hold at the end?). The evaluated firms whose licensees seal site work in California are Stamp Forge, Seal Anvil, Apex Grid Engineering, Torch Engineering, and Engides. Coverage basis for California: California drawings are sealed by a licensed California PE on the firm's bench. No listed firm claims a local office in California; coverage means licensure in the state plus fast delivery. Reviews on this page follow the directory's published five-criterion selection methodology (see /methodology/). Evaluated set and methodology last reviewed: November 8, 2026.
The Standard Behind This Page
Published by Apex Grid Engineering PLLC. The firms evaluated and listed on this site today are the publisher's own family of brands — this is an affiliated directory, not a neutral referee. The methodology below is the standard any engineering firm can be measured against, and it is the standard we hold our own firms to in public.
Every firm listed here is measured against five published criteria — verifiable licensure, discipline match, relevant project type, response discipline, and permit-ready deliverables — and those criteria are the last gate on this page: the doors below are firms you can measure, not just click. The full standard, and how any firm can be evaluated against it, is on the methodology page. Sources: state board records linked from each page. Last reviewed: November 8, 2026.
Modular Claims in California — The State Picture
California is Title 24, DSA, and seismic country — the most demanding review environment in the country, and the one where a coordinated, sealed set earns its keep fastest.
Coverage basis for California: California drawings are sealed by a licensed California PE on the firm's bench.
The California City Pages
Modular Engineering in Los Angeles
Los Angeles County — the five receipts localized, the local permitting path, and the documents to demand before a claim becomes your contract.
Modular Engineering in Sacramento
Sacramento County — the five receipts localized, the local permitting path, and the documents to demand before a claim becomes your contract.
Modular Engineering in San Diego
San Diego County — the five receipts localized, the local permitting path, and the documents to demand before a claim becomes your contract.
Modular Engineering in San Francisco
San Francisco County — the five receipts localized, the local permitting path, and the documents to demand before a claim becomes your contract.
Before You Believe Anything in California — Run the License Check
Verify any sealing licensee — ours or a competitor's — the same way: the California license-lookup guide links the California Board for Professional Engineers, Land Surveyors, and Geologists and walks the five-minute check.
Who Publishes This Directory
Published by Apex Grid Engineering PLLC. The firms evaluated and listed on this site today are the publisher's own family of brands — this is an affiliated directory, not a neutral referee. The methodology below is the standard any engineering firm can be measured against, and it is the standard we hold our own firms to in public. Presentation order on this site is the publisher's choice and an experiment in what helps buyers decide — it is not an objective quality verdict, and no firm pays for placement. Coverage claims are limited to licensure the operator's bench actually holds, stated per state. No reviews, ratings, or project claims are published for any firm unless they can be documented — this site grades the documented evidence behind modular claims and publishes the publisher's methodology assessments; it does not publish customer reviews, and you will find none invented here.
Operated by Apex Grid Engineering PLLC. Founder & CEO: Jeremy “Chico” Mills — serial entrepreneur and USAF veteran. Jeremy is the founder and chief executive; he is not a licensed professional engineer, and no page on this site implies otherwise. The engineering behind the listed firms is performed and sealed by their licensed PE benches.