Cornerstone Curb Appeal
Cornerstone Curb Appeal

Cornerstone Curb Appeal

Top Pro

Discounts available
Discounts available
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Responds in about 2 hours

Introduction: We strive to be California’s PREMIER home beautification experts. We do this by increasing your home’s curb appeal through Window Washing, House Washing, Surface Cleaning, Gutter Cleaning, Trash Can Cleaning and Solar Panel Cleaning. We are dedicated to extending the life of your solar panels and increasing your property value; all while providing the best customer service possible.

Current Top Pro

Hired 25 times

Serves Fontana, CA

Background checked

5 employees

16 years in business

Payment methods

Cash, Check, Credit card, Venmo, Zelle

Currently a top pro

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

Current Top Pro

This pro indicated that they reviewed CDC safety guidelines for COVID-19 and pledged to do the following:

Maintain 6 feet of distance from customers

Wear masks during the job

Wear gloves during the job

Disinfect surfaces touched during the job

Featured Projects

94 photos

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Customers rated this pro highly for professionalism, work quality, and responsiveness.

Exceptional 5.0

22 reviews


Courtney W.

Screen Installation or Replacement

Justin and Ashley were a pleasure to work with! They were both knowledgeable. Ashley performed the work at my home and he was really quick. I’ll definitely be using their services again.

Details: Door • Window • 1-2 screens • My home, venue, etc.

Sep 20, 2021

Solar Panel Cleaning

First time having my panels cleaned and I am very very happy with the results. I also had my 2 story house windows cleaned and they were amazing. Looking forward to the next cleaning. I will definitely continue using Premier SPC. Thank you!

Details: 21 - 30 • More than 2 years ago • Residential • Two-story building

Jul 13, 2021
Janet M.

Pressure Washing

The Premier SPC team worked incredibly hard over several hours to achieve a beautiful result on a house wash and window clean. I was very impressed with their work ethic, professionalism and the quality of the job performed, all for a very reasonable price.

Details: Home • Building siding • Remove grime • 1,000 - 2,000 sq ft • One story

Jun 1, 2021
Samar S.

Pressure Washing

So professional , thorough and clean. House looks new Would definitely recommend

Details: Home • Driveway or garage • Deck, patio or porch • Routine cleaning • 2,000 - 3,000 sq ft • One story

Aug 10, 2021
Espe P.
Great work honest! Safe, clean, and reasonable. They do extra work for keeping out pigeons out a bit expensive, but it’s worth the price. We’re keeping these guys.
Jul 2, 2021
Background Check

Justin Slater


  • What should the customer know about your pricing (e.g., discounts, fees)?

    We are offering Solar Panel Cleaning on home for $99. Which is eligible for homes with up to 10 panels and 1 story high.

  • What is your typical process for working with a new customer?

    The first step is always a free quote, whether that be over the phone or in person. Once we have determined the type of work the client wants then we can go ahead with setting the appointment and getting the work done!

  • What education and/or training do you have that relates to your work?

    We have been beautifying the outside of peoples homes for over a decade now.

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