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Verified Reviews for Plaster Repair pros in Thermal, CA

*The Angi rating for Plaster Repair companies in Thermal, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plaster Repair needs.

*The HomeAdvisor rating for Plaster Repair companies in Thermal, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plaster Repair needs.

Last update on December 05, 2025

Find Plaster repair specialists in Thermal

Avatar for PG Plastering
PG Plastering
4.8(
19
)
Plaster - InstallPlaster - Install - For BusinessPlaster - Repair+1 more

Serving Thermal, CA and surrounding areas

In business since 2000

Free estimates

"Project: Repair and partially replace stucco surface of small retaining wall. Phil met with me and we discussed how to treat a short retaining wall that was losing the stucco surface after about 4 years since it was originally plastered. The wall was alowing water seepage to come thru the concrete block and lifting the original stucco finish off. Phil suggested a repair , consisting of first scraping all loose stucco off the wall and then applying an adhesive type undercoat followed by a total restucco of the wall. It was done very professionally , minimal debris, 2-day process , and it looks great. Now I just have to see how it holds up over the next 4-5 years . Highly recommend PG Plastering."
Response time2 hrs
Recommended by100%of homeowners
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Avatar for OM Construction Inc
OM Construction Inc
4.7(
151
)
Plaster - InstallPlaster - Install - For BusinessPlaster - Repair+1 more

Serving Thermal, CA and surrounding areas

In business since 1990

Free estimates

Emergency services offered

"Excellent, detailed work on all projects with reasonable prices initially hired for plastering work was so good hired Tony to repair a roof , patio renovation, stair renovation. Referred to neighbors"
Roofing Project
Additional Photos
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+86

Recommended by95%of homeowners
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Avatar for Superior Plastering - Unlicensed Contractor
Superior Plastering - Unlicensed Contractor
3.9(
8
)
Plaster - Repair

Serving Thermal, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"They were able to come out in a timely manner and do some drywall repairs. When I noticed some needed touch up, they were willing to come back and make the area better. Like thier customer service."
Not Completed
Completed
Not Completed
Completed
Driveways

+2

Response time1 day
Response rate85%
Recommended by71%of homeowners
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Avatar for Just Do It Builders Inc
Just Do It Builders Inc
4.4(
215
)
Plaster - InstallPlaster - Install - For BusinessPlaster - Repair+1 more

Serving Thermal, CA and surrounding areas

In business since 1991

Free estimates

Credit card accepted

"Just Do It arrived as scheduled and performed the work to my satisfaction.  The drywall repairs were as promised and very professional.
"
Additional Photos
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+29

Recommended by70%of homeowners
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Avatar for Ocean Seven Builders
Ocean Seven Builders
4.6(
68
)
Plaster - InstallPlaster - Install - For BusinessPlaster - Repair+1 more

Serving Thermal, CA and surrounding areas

In business since 1994

Free estimates

Emergency services offered

"Our bathroom was outdated and cramped, so we decided to remodel with Ocean Seven Builders. Ron was involved throughout the process and made sure we understood each step. What stood out most was how organized everything felt once the work began. The team was respectful of our home and finished the project close to the expected timeline. The final result looks modern and much more functional!"
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Recommended by59%of homeowners
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Plaster Repair questions, answered by experts

Plastering lasts for around 15 to 20 years without needing repairs or maintenance in most cases, and with proper upkeep, plastering can last a lifetime—sometimes more than 100 years. Plaster repair costs between $1 and $3 per square foot, and you may need these services once every 15 to 20 years or so unless you have a harsh climate where humidity changes are a constant issue. You can also opt to skim-coat plaster for between $0.90 and $1.30 per square foot, which may serve you better in the long run.

The tool you use to sand plaster will depend on the size of the project. If you’re just working on a small section of your wall to get rid of an uneven spot on the surface, hand-sanding might work. However, for larger projects, a drywall sander can make a huge difference when it comes to both time and elbow grease—and an orbital sander can help for detailed areas such as around ceiling fans.

This depends on how much plaster is applied and in how many layers, but a decent estimate is around 150 square feet. If you are applying only two coats on a small wall, there is a chance you may only need one or two gallons for the entire project. If you are plastering a large living room wall with high ceilings, using one of the more involved techniques–like Scagliola–that requires several coats, expect the project materials costs to add up quickly. 

All plaster walls will crack over time due to normal house settling and expansion and contraction from temperature and moisture changes. Small, thin hairline cracks are generally not serious and are mostly a cosmetic issue. However, larger or more significant cracks can indicate structural problems.

Here's how to tell the difference:

  • Cosmetic Cracks: Cracks that are 0.5 cm (0.2 inches) or thinner are typically cosmetic.

  • Structural Cracks: Cracks wider than 0.5 cm, excessive or deep cracks, multiple cracks in the same area, or cracks that span around corners can signify a structural or foundation issue. Cracks along the joints where walls meet the ceiling also warrant attention.

For cracks wider than 0.5 cm, structural repair is needed. If a crack is 2.5 cm (1 inch) or wider, or if you notice any signs of a structural problem, it is best to contact a plaster repair professional to assess the damage.

You can skim coat plaster, but it’s better to repair the plaster itself. A skim coat is a thin coat of drywall joint compound spread over the surface of a wall. The result is a flat finish that looks pleasing, but part of the appeal of plaster is its imperfections and aesthetic. Skim coating is best when limited to drywall applications.

The Thermal, CA homeowners’ guide to plaster repairs

From average costs to expert advice, get all the answers you need to get your job done.

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