A House Built in 1968 Gets Sampled Before Anybody Opens a Wall
SOS Restoration of Ventura County rebuilds homes that went up decades before the rules now aimed at them. A 1968 house sits under two rules at once: the asbestos presumption reaching back through 1980, and the federal lead paint rule reaching back through 1978. Both apply before a stud is exposed.
Is a house from 1968 old enough to matter?
Yes, by more than a decade on both counts.
The asbestos line in California construction work is 1980 and the federal lead line is 1978, so a place finished in 1968 sits well behind both. The question was answered before anyone looked at your ceiling.
This is not a rare situation here. About 166,000 of the county’s roughly 295,000 housing units went up before 1980, which puts more than half of everything standing behind the asbestos line. The concentration shifts hard from town to town, and that is why a blanket sentence about old houses is useless. The median home in Ojai was built in 1971, and three of every four predate 1980. In Santa Paula the median year is 1970, and one home in ten dates to 1939 or earlier, nearly three times the county share. In Fillmore, one home in eight was standing before 1940: balloon framing, a raised foundation over a crawlspace, plaster on wood lath. Moorpark runs the other way, with four of every five homes built after 1980.
So the first thing we ask for is the year on the assessor record. It sets the order of the work.
What does "presumed asbestos" mean if nobody tested anything?
It means the law already made the assumption and handed you the job of disproving it.
Cal/OSHA keeps that presumption in Title 8 section 1529. Two families of material get it automatically inside any structure raised no later than 1980. One is the lagging on a thermal system, the wrap around pipes, boilers and ducts. The other is surfacing material, meaning anything sprayed or troweled onto a surface, which in a house of this vintage nearly always means acoustic ceiling texture.
That presumption can be beaten, but only two ways. A full inspection under AHERA, the federal asbestos schools law whose inspector training became the national standard, showing the material is not asbestos. Or testing through an inspector holding that accreditation, or through an industrial hygienist carrying the CIH credential, meaning the board certification for people who measure workplace exposure. What does not beat it: experience, a glance, a knuckle test, or a crew that has opened a hundred ceilings.
The same standard sorts the work into four classes, and the last one catches people out. Class I is stripping a thermal system or taking down surfacing material. Class II is everything else that holds asbestos: drywall joint compound, vinyl floor tile, roofing shingles, construction mastics. Class III is repair work likely to disturb any of it. Class IV is cleaning up the dust the other three leave behind. Sweeping up after somebody else is regulated work.
The caution comes from the exposure ceiling: 0.1 fiber per cubic centimeter averaged across eight hours, and 1.0 fiber per cubic centimeter across any thirty minutes. A dry cut through textured ceiling can blow past that second number in the first minutes.
Which agency writes the asbestos rule in Ventura County?
The Ventura County Air Pollution Control District writes it, and that is the detail most sites serving this county get wrong.
California has thirty-five air districts. The large one to the east covers four counties and this is not one of them, so its asbestos rule, the one quoted in most of the material online, carries no weight here.
What governs is VCAPCD Rule 62.7, Asbestos – Demolition and Renovation, adopted in 1992 and in force since that same year. It has not been amended since. Two things in it change how a job gets planned.
The first is scope. Rule 62.7 stands in place of NESHAP, the federal air-pollution standard for hazardous substances, inside this county, and it reaches further. The district says the rule covers all renovation and demolition operations, including those the federal standard never regulated, and that it covers dwelling units. Houses are in. The federal numbers people quote from memory, 260 linear feet, 160 square feet, 35 cubic feet, belong to a standard that does not run here. A contractor working off them is out of compliance the moment the sawzall starts.
The second is the number itself. Locally, renovation notice begins at 100 square feet, not 160.
How much can come out before the district has to be told?
For a renovation, 100 square feet. For a demolition, one square foot.
The renovation trigger is 100 square feet or more of asbestos containing material, with a separate notice for each planned operation. For a demolition there is no trigger. Any quantity present, down to a single square foot, and the notice goes in. That one difference reorganizes a lot of jobs.
It also explains why fire losses land differently. Once a structure comes down instead of getting patched, the zero threshold applies, so a fire and smoke loss heading toward demolition brings the district in even when very little suspect material survived.
Timing splits by building type. A residential notice has to be typed and in the district’s hands before work begins, with no waiting period and no district fee for buildings of four units or fewer. Anything non-residential has to be postmarked or delivered no later than ten working days ahead. Two calendar weeks off a commercial schedule if it goes in late. Nothing off a house.
Then the revisions, which are what actually bite. When the quantity of asbestos changes by more than twenty percent, the notice has to be updated, and the quantity almost always climbs once framing is exposed. A delayed start takes five working days of notice, a delayed finish two working days before the original completion date. The forms have numbers too: ENF-62 to notify, ENF-62R to revise.
One more line belongs in the conversation before scope gets written. Stripping more than 100 square feet of friable material, meaning material crumbly enough to release fibers under hand pressure, has to happen inside negative pressure containment, a sealed room kept at a lower air pressure than everything around it so fibers cannot drift outward, or inside a glove bag, unless the Air Pollution Control Officer approves another method in writing. Ninety-nine square feet and a hundred and one square feet are two different jobs. That is why the survey comes before the scope.
Who is allowed to say a material is clean?
A laboratory, and nobody else. That includes us.
The cutoff the district uses is one percent. If one or more samples of a suspect material comes back above one percent asbestos, the entire material counts as asbestos containing, not only the piece that went into the jar. One result condemns the whole ceiling, or the whole floor.
Two numbers get confused constantly, so keep them apart. One percent is the air district definition of a material that contains asbestos. Cal/OSHA registration for the contractor begins at a fiber content above 0.1 percent combined with 100 square feet or more of surface area. Ten times lower, different agency, different purpose. A crew that knows only one of them will misjudge which jobs it can take.
There is also a survey requirement with teeth. The district states that a building or home must be surveyed in order to obtain a demolition permit, and that removal beforehand belongs to a contractor holding the C-22 classification, which is the state license category covering asbestos abatement and nothing else. Sampling is not a favor to an insurer or an optional line item. Skip it and the permit does not issue.
The one exemption in Rule 62.7 is narrow and reads literally. The rule does not apply at a residential single-unit dwelling where the owner and occupant does the work personally, though the district still recommends trained people. It disappears the moment anyone gets paid to be there, which catches owners who start the repair and call for help halfway through.
What about the paint?
Different year, different agency, different trigger.
The federal Renovation, Repair and Painting rule lives at 40 CFR Part 745, Subpart E, and it governs renovations performed for compensation in target housing, meaning housing built prior to 1978, plus facilities where young children spend regular time. Two words carry the whole thing: for compensation. An owner repainting a hallway is outside it. Anyone paid to be in the room is inside it.
The size trigger is small enough that damage work clears it before the first coffee break. Minor repair and maintenance stops at six square feet of painted surface per room indoors, or twenty square feet outdoors. The footage also accumulates, so separate visits to the same room inside thirty days get added together. And the exemption never applies to window replacement or to demolition, whatever the footage says. Pulling one window out of a 1968 house puts the full rule in play.
Three documented ways out exist, and all three end in paper. An inspector or risk assessor with the state credential finds the components free of lead based paint. A renovator with the EPA credential uses a test kit the EPA recognizes. Or an EPA-recognized laboratory analyzes paint chip samples. The cutoff is identical in all three: 1.0 milligram per square centimeter, or 0.5 percent by weight.
The two-year gap between the rules is what trips crews. A house finished in 1979 answers to the asbestos presumption and not to the lead rule. A 1968 house answers to both.
It is a mobile home in a park. Does any of this change?
The building changes, and so does the office that issues the permit.
Manufactured housing is a larger share of this county than people assume. California building standards are not what governs these units; the federal HUD code is. A steel chassis carries the floor, a plastic belly wrap runs underneath, and fiber insulation fills the cavity. Water from above drains down and pools in that belly wrap, which holds it instead of letting it go. A meter on the floor surface can read fine while the underside stays wet for weeks.
Now the permit. In California, authority over alterations and repairs to a manufactured home inside a mobilehome park sits with the state Department of Housing and Community Development, not with city hall, under Health and Safety Code section 18300. Local ordinances are preempted. A city takes that authority only after thirty days of written notice to the department and its approval. Which counter you walk up to depends on where the home sits, not on what broke.
This lands hardest where the stock is concentrated. Manufactured homes are about one in ten in Santa Paula, close to one in ten in Fillmore, and roughly one in twenty-five across the county. Same county, same air district, a different permit path.
What happens after you leave?
What stays in the house is a folder, and every page in it has an owner.
That folder is the thing an insurance company actually reads, and what a buyer’s inspector will ask for years from now. The crew that metered the walls is the crew that frames, tapes, textures and paints, so the rebuild and reconstruction work never changes hands. It carries CSLB #1131134; the mitigation half carries IICRC #70194273. Look both up.
Three of those pages carry somebody else’s signature.
The lab result comes on a laboratory’s letterhead, with a percentage beside each sample that belongs to them and not to us. We pick the spot, log the room and material, and ship the jar. A ceiling that never went into a jar has no percentage, so the folder calls it untested.
The permit card hangs by the door and fills with initials that are not ours. A code official sets them down, one per stage, after somebody here calls for the visit and waits through it. A line left blank reopens the work.
Past putting the house back the way it was, the sizes arrive on a sheet with a seal and a number in the corner, drawn by an engineer nobody here employs. Beams, posts, hold-downs, a header where a wall used to run: those figures come off that sheet. The original stays with you.
The rest is yours to spend: dated photographs room by room, the meter readings, and the copy of the notice that went to the district. A buyer’s inspector will want the lab page.
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Tell us what year the place went up and what you are about to open, and call (805) 427-9039 before the first cut anywhere in Ventura County. What you want in the folder is a laboratory page with a percentage on it, not a blank where somebody guessed.