The engineer already wrote your inspection schedule: going out on your own with a C-29

You can read a wall. You know what a bad lift looks like before the grout goes in, you know which mason on the crew you can leave alone at a corner, and you know how far behind the block the rest of the job is running. What you have not done is sign for it, carry the bond and answer to the inspector yourself. In California that is a single decision rather than a sequence of them, because the license and the business get built inside one application: experience, two exams, a $25,000 bond, workers compensation and the entity choice all land together.

One thing about masonry in California separates it from almost every other C classification, and it is worth settling before you bid. In a seismic state, your wall is a structural element that a licensed engineer has already made decisions about, and those decisions are printed on the drawings you are bidding from. The risk category and the seismic design parameters are on the sheets. The inspection regime is on the sheets. By the time the plans reach you, somebody has already written down how closely you will be watched. Most masons never read that page. The ones who do bid better.

Read the special inspection statement before you read the elevations

A statement of special inspections is a condition of permit, and a final report of special inspections closes it. That statement names each inspected item and states continuous or periodic against it, one item at a time.

That distinction is a cost, not a formality.

Continuous means an inspector is present while the work is done. On masonry that reaches the operations you cannot repeat: placement of reinforcement, grouting, the things that disappear the moment the next lift goes on. Continuous inspection means your production rate is now tied to somebody else's calendar, and a crew standing down because the inspector was booked on another site is a real day of labor you did not price.

Periodic means scheduled visits, which you can plan around.

Read that page and mark it up before you put a number on the job. Every continuous item is a coordination item, an advance notice item and a potential standby item. Then work back to the parameters they came from: the risk category and the seismic design parameters on the structural sheets tell you what the engineer decided the wall has to survive, and they are the reason the reinforcement, the grout and the inspection call are what they are. A mason who can point at that sheet in a preconstruction meeting is not treated like a subcontractor who lays block. One document fact goes with it: the code is Title 24, not the I-Codes, and the edition in force is fixed by the permit application date, so a job permitted last year is on last year's rules.

Four dwellings is where the ground rules change

Two facts sit close together and both matter to residential masonry. A geologic report is required inside an Earthquake Fault Zone. And the single-dwelling seismic exemption lapses at four dwellings.

A single family house and a fourplex are not the same job with different quantities. The engineering, the review and the inspection expectations move, and a mason quoting a small multifamily building off a house-sized mental model is quoting the wrong job. Ask which side the project sits on before you price.

The older stock is a market, not a nuisance

California has a very large inventory of older masonry buildings, and cities in the seismic parts of the state carry their own ordinances for retrofitting them, each needing express findings filed with the Commission. Repointing, rebuilding parapets, anchoring walls to diaphragms, replacing failed brick on a building somebody is refinancing: this is skilled repeat work that most masons never chase because it is fussier than production block.

It is also the corner of the trade with the strictest exposure rules, so price them in rather than discovering them. Cutting, grinding and demolishing masonry produces respirable crystalline silica, which carries an exposure limit and a written control plan. California lead limits are far stricter than the federal ones, which reaches old coatings on and around the masonry you are disturbing. Both are cost lines on the bid and both are why the field is thinner than it should be.

Underneath it sits the written Injury and Illness Prevention Program every employer maintains and produces within 5 business days of a request, with tailgate meetings at least every 10 working days (the Cal/OSHA IIPP guide), and the heat rules: shade above 80 degrees, high-heat procedures at 95 with construction named, one quart of water per employee per hour (the heat illness guide).

What a C-29 covers, and where the neighbors start

The classifications live in the 16 CCR 832 family, and the rule underneath them is that work outside the classification you hold is not permitted (BPC).

A C-29 is the masonry trade: concrete block, brick, structural clay tile, stone and the mortar, grout and reinforcement that go into masonry walls, along with the veneers, fireplaces, chimneys and garden and retaining walls built out of the same materials.

A general building contractor takes a prime contract where at least two unrelated building trades or crafts are involved (BPC s.7057(a)). If what you actually sell homeowners is a full backyard with a retaining wall, a slab, an outdoor fireplace and the drainage behind it, you are selling a multi trade project and the classification that lets you sign for the whole thing as prime is B, commonly held alongside a C-29.

Four years, two exams and the money to open the doors

Four years of journey-level experience inside the ten years before you file (16 CCR 825), counting a journeyman, foreman, supervising employee or contractor, with education offsetting up to three of those four years. The C-29 detail worth getting right is that the certification should cover structural masonry and not only veneer and hardscape, because the exam and the liability both sit on the structural side. The experience requirement guide covers who can sign it.

Then two papers, Law and Business at about 115 questions and the C-29 trade exam at about 100, multiple choice, closed book at a PSI test center, calibrated per version rather than scored against a published fixed percentage, with the trade paper reaching into reinforcement, grouting, mortar types, layout and the inspection framework above (the exams guide). Then the cash: $450 application fee, $200 initial license for a sole owner or $350 otherwise (CSLB fee schedule), the $25,000 bond (BPC s.7071.6), an additional $100,000 bond if you form an LLC (BPC s.7071.6.5), and workers compensation before the first employee, because a lapse suspends the license by operation of law on the day cover ends. Getting your CSLB license is the sequence, the bond and qualifier guide is the bond, and LLC versus sole proprietor is the entity call.

Residential masonry runs on home improvement contract rules (BPC s.7159): written above $500, prescribed headings and type sizes, a down payment capped at the lesser of $1,000 or 10 percent of the contract price, payments never running ahead of value delivered, and change orders signed before the extra work starts. On a $24,000 retaining wall and fireplace job, 10 percent is $2,400, so the cap is $1,000 and the answer is a milestone schedule paying on footing, on wall and on completion. The home improvement contract guide has the structure.

Public masonry has its own money calendar

Public schools go to DSA rather than the city, and hospitals and skilled nursing go to HCAI with SPC and NPC seismic ratings attached. Both are heavy masonry environments where the inspection regime above is at its strictest. Public work over $1,000 is prevailing wage work, and you and every listed subcontractor must be DIR registered to bid, renewed each July 1. DIR registration and certified payroll covers the mechanics.

The payment side runs on dates worth holding. Take a $410,000 masonry subcontract on a school job that completes on 3 August 2026.

That $20,500 is the profit on the job in most masonry estimates, which is why the completion date belongs in the calendar the day it happens rather than the month somebody notices. On private work the equivalent is the owner releasing retention 45 days after completion with 10 days to pass it down (Civ. Code s.8812 and s.8814), covered in retention and release, and the lien clock runs 90 days after completion, dropping to 30 for a subcontractor once a Notice of Completion is recorded (Civ. Code s.8414). The California lien deadline calculator dates both versions from your completion date.

The bid is won on the sheets nobody else opened

Masonry estimates are usually compared on unit rates, which means everybody's number is close and the job goes to whoever priced the conditions best. The conditions are printed: risk category, seismic parameters, and continuous or periodic against every inspected item. That is knowable before you bid, on a page most of your competition scrolls past, and it is the whole competence gap on this classification.

On AEC Stack there is no monthly subscription. The platform fee is 2.5 percent of each invoice processed through the platform, so the estimating and the tracking earn their keep on the jobs that actually get paid.

Take the last set of drawings you bid, find the statement of special inspections, and count how many masonry items say continuous. Open a working demo business and set the next job up with the inspection calls, the completion date and the retention release already in the file.