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Stucco Repair in Chico, California: Cracks, Patches and Matched Finishes from Chico Elite Stucco

Chico Elite Stucco provides stucco repair for homes and commercial buildings in Chico, California, with more than 15 years of work on cracked, hit and loosened wall areas.

Your wall may be sound except for one line, one impact scar or one dull patch, and that area still has to be rebuilt to meet the finish around it. Our stucco repair services include crack repair, patching stucco where impact damage broke the surface, opening hollow and debonded sections that have lost their grip, and texture and color matching so the patch joins the existing finish.

Portland cement plaster is the hard cement-based coating most stucco walls use, and metal lath is the wire support behind that plaster. We cut a patch back to sound material and lath instead of skimming over weak edges. The repair may use elastomeric sealant, a flexible material for sealed joints, or polymer-modified mortar, a cement repair mix made to bond tightly to older plaster. We match a sample before the finish goes on the wall, follow ASTM C926 for the plaster and ASTM C1063 for the lath beneath it, and allow the required waiting periods between coats, so some repairs take more than one visit.

Chico Elite Stucco repairs stucco in Butte, Glenn and Tehama counties, including Paradise, Oroville and Orland. The scope is what the wall needs and nothing else. Call (530) 783-7384 or use the quote form for a free estimate.

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Stucco Repair on a Wall That Is Otherwise Sound

In a stucco repair we keep the sound stucco in place and replace only the part that failed. That scope fits when the damage is local, and the wall behind the finish is still doing its job. Four kinds of damage usually fall inside that boundary: cracks, impact holes, debonded sections, and damaged trim or corners.

Cracks, from Hairline Crazing to a Line That Moves

A hairline crack can be a shallow surface break, while crazing is a network of fine cracks in the finish coat only. A single moving crack that opens and closes through the year is a different problem, and cracks at window or door corners form their own pattern. We classify a crack before we fill it, because crack repair starts with what the crack is doing, not with a width number. That classification keeps a surface repair from being used where the wall needs a joint, a flexible seal, or a larger patch.

Impact Holes and Broken Corners

Ladders, mowers, vehicles and falling branches can leave broken stucco where the first mark looks smaller than the damage behind it. An impact can break the bond outside the visible hole, so a stucco patch has to reach the sound edge. Corners have corner bead, the metal edge buried under the plaster at a corner, and a bent bead is replaced instead of being plastered over. If the bent metal stays in place, the new plaster follows that crooked edge and cracks at the corner again.

Bulges, Hollow Spots and Lost Bond

Hollow stucco and bulging stucco can hide under an unbroken surface. The signs are a section that stands slightly proud of the wall and a hollow note when you tap it. Lost bond means the plaster is no longer gripping the metal lath or wood lath behind it; the trade term is delamination. When water gets behind a debonded stucco area, the water can sit against the lath instead of draining. We remove the loose plaster so the new patch can grip the support again.

Where a Repair Hands Off to Another Scope

Some findings move the work out of patch repair because a patch cannot solve a wall-wide or water-driven failure. When we find moisture behind the finish or a flashing defect behind the plaster, we move the job to stucco remediation. When we find widespread deterioration, we move it to stucco removal and replacement. When the wall is sound but tired across the whole surface, we move it to stucco resurfacing. If the finding changes after the wall is open, we tell you before the scope changes.

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Troweling plaster onto a prepared wall Older Chico home with an original stucco exterior Applying a stucco coat over metal lath

What Tells You a Crack Is Still Moving

A moving crack has to be classified before it is filled, because the classification decides the stucco repair. We read four things: the crack pattern, the crack position, the sound of the wall around it, and whether the line changes through the year. If the cause stays active, a filled crack can reopen in the same line.

Pattern First, Then Width

Three patterns tell you more than crack width alone. An even fine network across a panel is usually shrinkage cracking in the finish coat. Lines running off the corners of openings point to movement around the opening, because that is where a wall is weakest. One long line following the structure points somewhere else again. A hairline crack in the wrong place can be the worse one, so we treat width as change over the year rather than as one number. You can mark the ends and sides of a crack and re-check them after one wet season without relying on an unverified threshold.

Inspecting a hairline crack on a stucco elevation

Cracks That Follow the Building

Lines that follow the building show where the plaster is being asked to absorb movement. A line down from a window or door corner starts where the opening concentrates stress. A line along an addition can mean the older structure and the addition are moving differently. A straight line across a wide unbroken field can show that no control joint relieved the panel. A control joint is a deliberate break that lets a plaster panel move. These movement crack patterns are repaired differently because they can move again.

Tapping Outward to Find the Real Edge

Hollow stucco often extends past the visible bulge or crack. Sounding means tapping the wall and listening for the note to change. We tap outward from the damaged area until the hollow note changes back to a solid note, then mark that line instead of the visible edge. A patch that stops inside a debonded area fails at its own edge. A moisture reading and a small probe opening may be part of the same read, but the inspection service owns that deeper check.

Ground That Moves With the Seasons

Much of Chico sits on expansive soil with shrink-swell behavior, which means the soil swells when wet and shrinks when dry. The long dry summer and the wet months that follow it create the seasonal movement cycle. Chico planning work maps the largest soil group as high shrink-swell, while the next three largest are moderate, low and not clay. Soil is one documented contributor, not the cause of every crack; shrinkage in the plaster itself is more common. We do not diagnose or repair foundation movement, which is an engineering call outside this trade, but drainage and irrigation at the wall base can change what your stucco has to tolerate.

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How a Stucco Repair Patch Is Rebuilt

A patch is a small rebuild of the wall assembly, not a filled hole. We work through four stages: cut back to sound material, make the layers behind the plaster continuous again, build the portland cement plaster back to the wall thickness, and wait between coats for the standard minimums. The finish texture and color belong to the matching step.

Cutting Back to Sound Material

The cut runs back to bonded plaster and fastened metal lath, which is why the finished patch is often larger than the damage you first saw. When the cut reaches the layer behind the plaster, we restore the water-resistive barrier. The water-resistive barrier is the paper behind the plaster that keeps weather out of the wall. A shingle lap means the new paper tucks under the sheet above it, so water running down the barrier passes over the join instead of into it. New lath is tied into the existing lath rather than butted against it.

Which Mortar the Repair Takes

Patch mortar changes with the failure. A crack that still moves takes elastomeric sealant instead of rigid mortar, because the sealant can stretch when the joint opens. Impact damage in a sound field takes polymer-modified mortar, where the added binder helps the mortar grip the cut edge. A full-thickness rebuild, meaning the patch is carried back out to the depth of the wall around it, takes the same plaster system as the wall around it, so the patch shrinks and hardens with the surrounding plaster instead of pulling away from it. A bonding agent goes on the cut edge first where the old plaster is dense, so the new mortar has something to key into.

Building the Patch Back Up in Coats

The existing system is identified before the patch is specified. Traditional three-coat, engineered one-coat stucco and synthetic systems are patched differently, so stucco repair services cannot treat every wall as the same wall. A patch is built in the same number of passes as the wall it joins. On a three-coat wall the scratch coat is the first pass, keyed into the lath; the brown coat is the second, which builds thickness and trues the surface; and the finish coat is the thin one you actually see. One thick pass shrinks more and shrinks unevenly, and the crack that follows usually appears around the patch. A large re-lathed area also respects the wall's existing control joint layout.

The Waiting Between Coats

Exterior cement plaster has waiting periods that do not move for convenience. Each of the first two coats is kept damp for at least 48 hours, the second coat may not go on sooner than 48 hours after the first, and the finish coat may not go on sooner than seven days after the second. Those are standard minimums, not a promise about a specific job.

For you, the practical result is that a full-thickness patch runs across visits for more than a week before the finish is applied. A sealed moving crack or shallow surface repair is not on that same schedule. Chico heat is one reason moist curing matters, because fresh plaster can dry before cement has hardened properly.

Matching an Aged Stucco Finish Is Test Work

We match texture and color to the wall as it stands today, not to the wall as it was built. Sun, weathering and the original mix all change the target. We read three variables from the existing wall: texture, color, and how the finish coat has aged. Then we prove the match on a sample panel before any finish reaches your building. A stucco repair is matched as closely as practical; no honest contractor can promise that a patch in the middle of an open wall will vanish.

The Wall You Are Matching Is Not the Color It Was

Start with what the sun has already done to your wall. Years of intense summer sun can fade a finish, so fresh material made from the original recipe can still look new against the older wall. An integrally colored finish has color mixed through the material itself, which means the color you see is the same color that runs all the way through the coat, and a chip or a scrape shows the same shade rather than a pale body underneath.

A coated wall is different because the color sits on top, so the repair has to meet the coating the eye sees. That distinction decides what we are trying to reproduce on your wall: the body of the material in one case, the surface layer in the other. The sample is compared to the wall in daylight, not to a color chart, and we record the pigment information used on the approved sample.

Reading the Texture Off the Existing Wall

A texture is what a given tool, a given mix and a given pressure leave behind on the wall. We read the aggregate size, how wet the material was when it was worked, and the rhythm of the tool marks. Lace texture, dash texture, sand float, skip trowel and smooth finishes can all vary between two crews or between two walls of the same house. Texture matching gives the new finish the same shadow pattern as the old finish, because a patch that matches color but misses texture can still show when light runs across the wall.

The Sample Before the Wall

The sample puts the decision somewhere low-risk. If the match is wrong, another sample is made before the finish coat reaches the wall. That protects your wall from becoming the test surface. A patch set in the middle of a large unbroken elevation is the hard case. Carrying the finish to a corner, a joint or a change of plane can help the repair look like part of the wall, but that is a scope choice with a price attached and something you approve before the work is done.

Why Choose Chico Elite Stucco for Stucco Repair

Local stucco repair is easier to compare when the reasons are concrete. Chico Elite Stucco gives you a repair scoped to what the wall is doing and finished to match the wall it joins.

  • The repaired area is matched to the surrounding wall instead of left as a separate-looking patch.
  • We have more than 15 years of stucco experience and are licensed and insured.
  • We carry general liability and workers' compensation coverage.
  • The scope follows what the wall needs, so you are quoted for that and nothing else.
  • The work follows ASTM C926, which governs how cement plaster is applied, and ASTM C1063, which governs the lath under it.
  • Free on-site estimates are available across Butte, Glenn and Tehama counties.
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Pricing a Stucco Repair in Butte County

Stucco repair cost depends less on square footage than most owners expect. The visible damaged area is only the surface of the price question. The condition behind the finish can change the repair more than the size of the spot, so that condition is established before the work starts.

The Published Ranges, and What They Are Not

Published national and regional pricing guides last reviewed in August 2026 commonly put stucco repair figures between about $600 and $2,700. Those figures are approximate, they are not specific to this area, and they are not Chico Elite Stucco's prices. The range is wide because it spans work as small as sealing one crack and as large as rebuilding a section of wall. That spread is why an estimate has to separate surface area, access and hidden wall condition instead of treating the price range as a quote.

What Sets the Price of Your Repair

The first price driver is whether the metal lath and water-resistive barrier behind the damaged area are sound. Access comes next, including wall height, scaffolding, planting and hardscape at the wall. The finish also changes the estimate, because matching aged texture and color takes preparation before it takes material, and how far the new finish has to run is a priced choice. A full-thickness patch also means return visits because the coats have required waiting time. You get a written scope naming the wall system and the finish before anything starts.

We would rather look at the wall than price it from a range. Reach us on (530) 783-7384 or through the quote form, and the visit costs nothing.

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How a Stucco Repair Runs, Step by Step

The stucco repair process follows five stages, so you know what has been decided and what comes next. The main decisions that come back to you are the scope, the sample, and any changed finding that appears after the wall is opened.

  1. 1

    You Call, and Send Photographs If You Have Them

    The first call starts with what the wall is doing. Cracking, bulging, staining and shedding finish all point to different questions at the visit. Tell us where the damage sits on the building and how long it has been there. Photographs let the visible condition be reviewed before the free on-site estimate.

  2. 2

    A Free On-Site Look at the Wall

    The estimate visit has no charge. At the wall, we classify the crack and use sounding to listen for hollow areas. Where the surface does not answer the question, a moisture meter reading or small opening may be needed.

  3. 3

    A Written Scope You Approve Before Anything Starts

    The written scope names the repair system and the finish coat, so you can see what the estimate includes. Every job starts with that scope, and you approve it before any work starts.

  4. 4

    The Sample, Then the Repair

    The sample panel is matched and approved first. Then the wall is opened, closed back in layers, and left for curing between the scratch coat, brown coat and finish coat where a full patch needs those passes.

  5. 5

    A Look at the Finished Wall With You

    The finished area is reviewed with you in daylight. Planting and hardscape are protected, and the site is left clean. If a finding changed the scope along the way, you approved it before the work continued.

Chico Elite Stucco begins every repair at that first visit. Book one on (530) 783-7384, or send the details through our online form. There is no charge for it.

Standards and Licensing Behind a Stucco Patch

Most of the parts that decide whether a stucco repair lasts are covered within a day. Metal lath, the water-resistive barrier and the bond between coats can disappear behind fresh plaster before you have any way to inspect them. Standards and license checks give you something concrete to rely on for work that will not stay visible.

The C-35 Lathing and Plastering Classification

A classification is the category a state puts a contractor's license under, and it names the trade that contractor is qualified to work in. California licenses this trade through the Contractors State License Board (https://www.cslb.ca.gov/About_Us/Library/Licensing_Classifications/C-35_-_Lathing_and_Plastering.aspx), or CSLB. California has a specific C-35 Lathing and Plastering contractor classification covering plaster coatings, lath and supporting assemblies. The board defines the C-35 Lathing and Plastering classification around lath, metal stud channel work and plaster coatings applied by trowel or spray.

Lathing is the fixing of the metal mesh that plaster grips; plastering is the application of the coats over it. Those are the two halves of the work a patch on your wall consists of, which is why this one classification and not a general building category is the trade connected to it. That gives you a way to check whether a licensed contractor is listed for the trade connected to the wall before you sign anything. The board publishes each license's status and classification on its own site, so you can look at that record yourself rather than take anyone's word for it.

The Standards a Patch Is Built To

A standard is a published set of rules a trade agrees to work to, written so that two crews doing the same job build it the same way. ASTM C926 is the published standard for applying cement plaster. ASTM C1063 is the standard for the lath and accessories under it.

California adopts both by reference in its building code, which makes them the rules for plaster work in this state rather than advice a crew can take or leave. Those standards give the crew rules for the layers that disappear behind the finished surface, including the plaster coats and the support under them. A patch built to those two standards is held to the same rules as new work rather than to whatever can be covered fastest.

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Plasterer applying a stucco finish coat to an exterior wall Spanish-style stucco home exterior in the Chico area

Older Chico Walls: What a Repair Can Uncover

Older homes and newer subdivisions sit side by side in Chico, so local stucco repair can mean working on very different wall assemblies. If your building is one of the older ones, the wall may have wood lath, a textured finish coat, or materials that need a safety check before cutting starts. Two findings stop the plastering instead of being covered by a patch.

Buildings Put Up Before 1980

Before we open an older wall, we take small samples of the finish and the paint and have them checked for two materials that were ordinary in construction of that age. On construction that predates 1980, material is tested for asbestos and lead before anything is disturbed. Cutting, grinding and sanding disturb old material, and stucco repair can involve all three.

Those operations turn whatever is in the finish coat into airborne dust that settles on the ground, the plants and the rooms behind the wall, so what the samples come back as tells us how the work is set up and whether we are the ones who should be doing it at all. The testing happens before the cut, not after the wall is open, because the repair should not turn an unknown material into dust at the wall.

Where Mold Is Visible

Sometimes a wall comes open and there is visible growth on the framing or the back of the finish, and that is the point at which the plastering stops. Where mold is visible on a wall that gets opened, a qualified independent specialist handles that assessment, because testing and removal are their own trade. Identifying what is growing, deciding how much has to come out and confirming it is gone are separate skills with their own equipment, and we do not perform any of them.

The plastering waits instead of closing the wall over the mold, because covered mold leaves the source of the moisture inside the wall. Sealing a wet cavity behind new plaster keeps the water where it is and puts you back at the same wall in a year. The moisture pathway that fed it becomes a stucco remediation question, not a patch question, and we tell you what we found so you can bring in the right trade before we go any further.

After the Repair: Keeping Your Patch Sound

Water arriving where it should not is what most often shortens the life of a stucco repair. Much of that maintenance is outside the wall and does not need a contractor. Once the wet season ends, a look over the repaired area can show whether water is reaching the patch edge, the wall base, or nearby joints.

What to Watch on a Patched Wall

Give your own wall five minutes after one wet season and look the repaired area over. Check whether the patch edge has opened and whether the color has settled toward the wall around it as both surfaces weather. Then look for water at the base from sprinkler spray, a downspout, or soil and bark piled against the stucco. The weep screed is the drainage edge at the bottom of the wall, and the code asks for at least 4 inches above the earth or 2 inches above paving. Soil or bark against the wall should be pulled back.

The Joints That Age Before the Wall Does

Joint sealant at windows, doors and control joints often reaches the end of its life before the wall does. Look for sealant that has pulled away from an edge, gone hard, or cracked through. A failed joint can put water behind the finish where a patch is trying to hold. Efflorescence is the chalky white bloom left when water moves through the wall, and cleaning it off without finding the water source removes the evidence rather than the cause.

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Well-kept stucco exterior with an arched window and iron balcony Stucco home exterior with an arched entry and detailed trim

Stucco Repair in Chico and the Surrounding Towns

Local stucco repair across Butte, Glenn and Tehama counties has to answer for the wall in front of us, not a regional label. Chico gets roughly 27 inches of rain a year, with rain concentrated from late fall through spring, and the same wet season reaches the surrounding towns. Building ages vary widely across the region, so what we find behind your finish can differ from a wall that looks the same two streets away.

From Chico, our service area extends east into Paradise, Magalia and Forest Ranch, south through Durham toward Oroville, Biggs and Gridley, west through Hamilton City and Orland toward Willows, and north toward Corning and Los Molinos.

The Towns Chico Elite Stucco Serves

  • Paradise, CA
  • Oroville, CA
  • Durham, CA
  • Magalia, CA
  • Orland, CA
  • Gridley, CA
  • Corning, CA
  • Forest Ranch, CA
  • Biggs, CA
  • Cohasset, CA
  • Hamilton City, CA
  • Los Molinos, CA
  • Willows, CA
  • Vina, CA
  • Richvale, CA
  • Butte City, CA

Common Questions About Stucco Repair in Chico

What does stucco repair cost in Chico?

The national and regional guides we last reviewed in August 2026 put most stucco repairs between about $600 and $2,700. Treat that as an approximate market envelope, not a figure specific to this area and not Chico Elite Stucco's prices. The same visible damage can land at either end depending on whether the lath and barrier behind it survived.

How long does a stucco repair take?

The plastering can be short, but curing sets the calendar. Rebuilding a patch to full thickness takes several visits, and the finish coat lands more than a week after the one before it. Sealing a moving crack can be one visit. The waiting time is a code minimum, so weather can extend it and nothing shortens it.

Will you be able to see where the repair was?

The goal is a repair that looks like part of the wall, matched as closely as practical. Nothing reaches the building until you have approved that sample. The hardest case is a patch with no edge near it, where the new finish may have to run out to the nearest corner or joint.

Is a hairline crack worth repairing?

The useful test is whether the crack changes, not how wide it is. Mark each end and compare it when the rains stop. A shallow network in the finish coat is different from one line that opens seasonally. An unmoving hairline crack is often left until the wall next needs a finish.

What happens if the damage is bigger than it looked?

Bond loss and moisture damage can run wider than the visible damage, so the wall is sounded and read before a price. If a finding changes the scope, it comes back to you with a revised scope before work continues. Depending on what is found, the job is named as remediation, resurfacing or replacement instead of being absorbed into the repair.

Do I have to repaint the whole wall after a repair?

A repair matched in the finish itself needs no paint. A wall that was already coated is matched in the coating, often out to a natural break. A coating over a wall that is still wet behind slows the wall's drying.

Tell Chico Elite Stucco What Your Wall Is Doing

Chico Elite Stucco can start with what you see on the wall: cracking, bulging, staining, impact damage, or finish that is coming loose. We provide stucco repair in Chico and across Butte, Glenn and Tehama counties. Call (530) 783-7384 or send the details through the quote form, and we will set up one free estimate for your wall.

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