Thornton, Colorado · 4 years in business
Exterior cleaning crews handling concrete, grease, gum, and graffiti for Thornton businesses.
Everything below this line — the compliance file, operational scorecard, proof-of-work records, dispute protocol, and credentialed reviews — is generated sample content that illustrates the WashAttest record format. It is not real data about Larkspur Exterior Cleaning. This business is not yet in our directory, so no real data exists for it on this page.
Sample record snapshot
Verified Aug 9, 2026
Trailing 12 months
Attached to this listing
All resolved
Each document is checked against the issuing source and re-verified at renewal. An expired or missing item stays visible on the record.
General liability insurance
Hiscox — $5M umbrella aggregate
verified
Expires Jul 25, 2027
Workers' compensation
Hiscox — statutory limits, 6 employees covered
verified
Expires Oct 5, 2027
Business license
State contractor registration No. 879848
verified
Expires Jul 8, 2027
Stormwater / NPDES permit
State general permit for mobile washing discharge
verified
Expires Jan 15, 2027
OSHA safety program
Documented training program, 1 recordable incidents in 12 months
verified
No expiry on file
Water reclamation and discharge
Trailing 12 months, drawn from 98 documented visits. These are the numbers a star rating hides.
Arrived within the agreed service window
Visits requiring a return trip
Median time to first reply
Documented nightly capacity
Contracts renewed at term
Recordable incidents per 1,000 visits
Documentation attached to this listing and reconciled against billing, so a claim about work performed can be checked rather than taken on faith.
Timestamped photo pairs captured at the start and end of each scheduled visit, retained for 24 months.
Per-visit log recording date, unit identifiers, services performed, and the crew on site.
Current certificate naming the required additional insured, re-verified at each renewal.
Record of water recovered, method used, and discharge destination for each wash event.
A business can answer a review with evidence. The record shows the claim, the response, the evidence, and the outcome — including when the review was upheld.
No disputes have been filed against this listing.
35 of 38 reviews come from a verified operator role. Roles on this listing: Building engineer, Facility manager, Property manager, Store manager, Shopping center manager, Retail operations manager, Restaurant owner.
Vanessa L.
Building engineer
Oct 18, 2026
We had to hire another company to finish the sidewalk. Follow-up calls went unanswered.
Commercial Pressure Washing · Thornton, Colorado · via Google
Kara G.
Facility manager
Oct 1, 2026
They cleaned the parking lot at our Thornton location before we opened for the day. No runoff issues — they handled the water properly.
Commercial Pressure Washing · Thornton, Colorado · via Yelp
Priscilla E.
Property manager
Sep 10, 2026
Our hotel entrance was a grease magnet — not anymore. Solid work. The quote came in slightly above what I expected.
Commercial Pressure Washing · Thornton, Colorado · via Google
Holly O.
Store manager
Aug 12, 2026
Our apartment breezeway in Thornton had a layer of grime that nothing else touched. They documented everything with photos for our records.
Commercial Pressure Washing · Thornton, Colorado · via Google
Jerome V.
Property manager
Jul 31, 2026
They worked around our business hours in Thornton without a single complaint. They used the right pressure so nothing was damaged.
Commercial Pressure Washing · Thornton, Colorado · via Google
Kurt N.
Shopping center manager
Jul 30, 2026
They removed oil stains from our storefront that I thought were permanent. They cleaned the dumpster pad and the smell is gone.
Commercial Pressure Washing · Thornton, Colorado · via Google
Paige K.
Retail operations manager
Jul 16, 2026
The dealership lot was slick with grease and now it is safe to walk on. The concrete came out several shades lighter.
Commercial Pressure Washing · Thornton, Colorado · via Facebook
Jerome T.
Store manager
Jul 12, 2026
They handled the sidewalk at our Thornton location overnight so we never closed. The gum removal alone was worth the price.
Commercial Pressure Washing · Thornton, Colorado · via Yelp
Alvin H.
Restaurant owner
Jul 2, 2026
Our restaurant patio had rust stains and graffiti — both gone. They cleaned the dumpster pad and the smell is gone.
Commercial Pressure Washing · Thornton, Colorado · via Direct
Maurice F.
Property manager
Jun 12, 2026
They cleaned the church parking lot and the drive-thru lane at our Thornton location. The building looks like it was just built.
Commercial Pressure Washing · Thornton, Colorado · via Yelp
Kyle S.
Shopping center manager
Jun 11, 2026
Our parking lot in Thornton had not been cleaned in years. Our customers noticed the difference the same day.
Commercial Pressure Washing · Thornton, Colorado · via Direct
Marcus V.
Facility manager
Jun 5, 2026
They cleaned our hotel entrance and the concrete looks new. Reliable crew. The invoice took a while to arrive.
Commercial Pressure Washing · Thornton, Colorado · via Google
Tanya P.
Shopping center manager
Jun 2, 2026
Booked commercial pressure washing in Thornton and they handled the water and permits. Our customers noticed the difference the same day.
Commercial Pressure Washing · Thornton, Colorado · via Yelp
Colette K.
Property manager
May 25, 2026
Our office building entrance had years of gum, oil, and grime built up. They cleaned the dumpster pad and the smell is gone.
Commercial Pressure Washing · Thornton, Colorado · via Google
Kurt M.
Property manager
May 14, 2026
Acceptable job, but I expected the whole parking garage to be done. A strip along the building was left untouched.
Commercial Pressure Washing · Thornton, Colorado · via Direct
Bianca D.
Restaurant owner
May 4, 2026
The cleaning was acceptable but the scheduling was a headache. The crew left before we could do a walkthrough.
Commercial Pressure Washing · Thornton, Colorado · via Google
Owen Z.
Retail operations manager
Mar 21, 2026
I manage the property and hired them for the storefront in Thornton. The gum removal alone was worth the price.
Commercial Pressure Washing · Thornton, Colorado · via Google
Gina E.
Building engineer
Mar 12, 2026
Booked commercial pressure washing in Thornton and they handled the water and permits. Only knocking a star because the start time slipped by an hour.
Commercial Pressure Washing · Thornton, Colorado · via Facebook
Lena B.
Restaurant owner
Feb 10, 2026
They pressure washed the sidewalk and the dumpster area in one visit. The grease trap area finally does not smell.
Commercial Pressure Washing · Thornton, Colorado · via Yelp
Ruben Z.
Facility manager
Jan 18, 2026
Booked commercial pressure washing for our storefront in Thornton. Our inspection passed with zero cleaning-related notes.
Commercial Pressure Washing · Thornton, Colorado · via Google
Jonah E.
Shopping center manager
Jan 15, 2026
Our warehouse apron in Thornton is now part of our monthly maintenance. They sealed the concrete after cleaning it.
Commercial Pressure Washing · Thornton, Colorado · via Google
Rachel D.
Building engineer
Dec 17, 2025
We had them out to our Thornton location for the convenience store forecourt and the loading area. Good result overall. One section of the lot needed a second pass.
Commercial Pressure Washing · Thornton, Colorado · via Yelp
Rosa P.
Facility manager
Dec 7, 2025
Booked them for the hotel entrance after a bad storm in Thornton. They finished ahead of schedule and under the quote.
Commercial Pressure Washing · Thornton, Colorado · via Google
Javier L.
Facility manager
Nov 29, 2025
The grocery store sidewalk at our Thornton site had a black film of grime on it. Our customers noticed the difference the same day.
Commercial Pressure Washing · Thornton, Colorado · via Google
Tessa P.
Building engineer
Nov 23, 2025
They pressure washed the shopping center walkway and the dumpster area in one visit. Happy with the clean. Scheduling took a couple of follow-ups.
Commercial Pressure Washing · Thornton, Colorado · via Google
Brett D.
Restaurant owner
Nov 4, 2025
They came out to our Thornton property and cleaned the gas station canopy top to bottom. The gum removal alone was worth the price.
Commercial Pressure Washing · Thornton, Colorado · via Yelp
Blake V.
Facility manager
Oct 29, 2025
Booked commercial pressure washing for our hotel entrance in Thornton. Only knocking a star because the start time slipped by an hour.
Commercial Pressure Washing · Thornton, Colorado · via Google
Marisol R.
Store manager
Oct 1, 2025
Decent clean, though a few areas were missed. Water pooled in the loading area and nobody squeegeed it.
Commercial Pressure Washing · Thornton, Colorado · via Google
Margot P.
Shopping center manager
Sep 20, 2025
We had our office building entrance pressure washed before a health inspection in Thornton. The grease trap area finally does not smell.
Commercial Pressure Washing · Thornton, Colorado · via Google
Dwayne E.
Facility manager
Aug 29, 2025
Our sidewalk had years of gum, oil, and grime built up. Reliable crew. The invoice took a while to arrive.
Commercial Pressure Washing · Thornton, Colorado · via Google
Jonah Y.
Property manager
Aug 20, 2025
Our brewery patio in Thornton was the first thing customers saw — now it is spotless. They used hot water and a degreaser that actually worked.
Commercial Pressure Washing · Thornton, Colorado · via Direct
Marina F.
Shopping center manager
Aug 5, 2025
The result was okay. Getting a quote took three calls. We had to call twice to get the before-and-after photos.
Commercial Pressure Washing · Thornton, Colorado · via Google
Rita C.
Retail operations manager
Aug 2, 2025
They cleaned our sidewalk and the concrete looks new. They worked overnight so we did not lose a single hour of business.
Commercial Pressure Washing · Thornton, Colorado · via Yelp
Rowan F.
Retail operations manager
Jul 2, 2025
They handled the fast-casual patio at our Thornton location overnight so we never closed. The concrete looks much better. A few stubborn stains remain.
Commercial Pressure Washing · Thornton, Colorado · via Facebook
Leo J.
Building engineer
Jun 30, 2025
We hired them for the dealership lot and ended up adding a recurring contract. They came back to touch up an area at no charge.
Commercial Pressure Washing · Thornton, Colorado · via Direct
Hannah L.
Property manager
Jun 13, 2025
The office building entrance at our facility was embarrassing before they came out. No runoff issues — they handled the water properly.
Commercial Pressure Washing · Thornton, Colorado · via Direct
Ursula S.
Shopping center manager
Jun 11, 2025
Our dealership lot had rust stains and graffiti — both gone. The concrete looks much better. A few stubborn stains remain.
Commercial Pressure Washing · Thornton, Colorado · via Google
Victor L.
Restaurant owner
May 14, 2025
Commercial pressure washing in Thornton that actually works around your hours. Reliable crew. The invoice took a while to arrive.
Commercial Pressure Washing · Thornton, Colorado · via Google
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Thornton, Colorado
Scheduled commercial pressure washing built around your operating hours.
Thornton, Colorado
Commercial pressure washing for storefronts, lots, and dumpster pads across Thornton.
Thornton, Colorado
Commercial pressure washing for storefronts, lots, and dumpster pads across Thornton.