Portland, ME, Maine · 6 years in business
Exterior cleaning crews handling concrete, grease, gum, and graffiti for Portland, ME 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 Lantern Surface Cleaning. This business is not yet in our directory, so no real data exists for it on this page.
Sample record snapshot
Verified Aug 11, 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
Travelers — $1M / $1M aggregate
verified
Expires Aug 21, 2027
Workers' compensation
Travelers — statutory limits, 6 employees covered
verified
Expires Dec 24, 2026
Business license
State contractor registration No. 674164
verified
Expires Jun 29, 2027
Stormwater / NPDES permit
State general permit for exterior cleaning discharge
verified
Expires Aug 10, 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 184 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.
32 of 39 reviews come from a verified operator role. Roles on this listing: Facility manager, Restaurant owner, Store manager, Retail operations manager, Building engineer, Property manager, Shopping center manager.
Maya T.
Facility manager
Oct 17, 2026
They cleaned the fast-casual patio and the drive-thru lane at our Portland, ME location. They worked overnight so we did not lose a single hour of business.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Keisha L.
Restaurant owner
Oct 6, 2026
Booked commercial pressure washing for our bank drive-up in Portland, ME. Good service. They had to come back for the dumpster pad.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Cecilia J.
Facility manager
Sep 20, 2026
Our drive-thru lane in Portland, ME is now part of our monthly maintenance. The concrete came out several shades lighter.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Rosa N.
Store manager
Sep 20, 2026
Mixed results on our parking garage in Portland, ME. A strip along the building was left untouched.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Arturo B.
Store manager
Sep 14, 2026
The dumpster pad at our facility was embarrassing before they came out. Good result overall. One section of the lot needed a second pass.
Commercial Pressure Washing · Portland, ME, Maine · via Facebook
Sasha N.
Store manager
Aug 28, 2026
I manage the property and hired them for the parking garage in Portland, ME. They cleaned the dumpster pad and the smell is gone.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Carmen T.
Store manager
Aug 9, 2026
They cleaned the hotel entrance but left the surrounding area messy. They started two hours after the agreed window.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Marcus Q.
Retail operations manager
Jul 30, 2026
The result was okay. Getting a quote took three calls. They started two hours after the agreed window.
Commercial Pressure Washing · Portland, ME, Maine · via Facebook
Lionel O.
Building engineer
Jun 24, 2026
They pressure washed our restaurant patio and the difference is night and day. They sealed the concrete after cleaning it.
Commercial Pressure Washing · Portland, ME, Maine · via Facebook
Hannah S.
Building engineer
May 25, 2026
Our apartment breezeway had years of gum, oil, and grime built up. They worked overnight so we did not lose a single hour of business.
Commercial Pressure Washing · Portland, ME, Maine · via Direct
Vivian S.
Retail operations manager
May 5, 2026
The gas station canopy at our Portland, ME site had a black film of grime on it. They came back to touch up an area at no charge.
Commercial Pressure Washing · Portland, ME, Maine · via Direct
Grace R.
Property manager
Apr 19, 2026
They pressure washed the hotel entrance and the dumpster area in one visit. They used hot water and a degreaser that actually worked.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Roland P.
Building engineer
Apr 15, 2026
They removed oil stains from our convenience store forecourt that I thought were permanent. They cleaned the dumpster pad and the smell is gone.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Wendy S.
Building engineer
Apr 4, 2026
They came out to our Portland, ME property and cleaned the sidewalk top to bottom. The grease trap area finally does not smell.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Lydia O.
Building engineer
Mar 31, 2026
We had our apartment breezeway pressure washed before a health inspection in Portland, ME. The gum removal alone was worth the price.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Rosa F.
Property manager
Feb 16, 2026
The dumpster pad was slick with grease and now it is safe to walk on. They finished ahead of schedule and under the quote.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Megan W.
Property manager
Jan 15, 2026
I manage the property and hired them for the retail center in Portland, ME. The concrete looks much better. A few stubborn stains remain.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Aaron U.
Store manager
Jan 3, 2026
The church parking lot at our facility was embarrassing before they came out. They cleaned the dumpster pad and the smell is gone.
Commercial Pressure Washing · Portland, ME, Maine · via Facebook
Joy C.
Property manager
Dec 24, 2025
Booked them for the brewery patio after a bad storm in Portland, ME. They used the right pressure so nothing was damaged.
Commercial Pressure Washing · Portland, ME, Maine · via Direct
Alicia T.
Store manager
Dec 16, 2025
Our self-storage driveway was a grease magnet — not anymore. The building looks like it was just built.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Jared N.
Building engineer
Dec 13, 2025
Our hotel entrance in Portland, ME had not been cleaned in years. No damage to the paint, signage, or landscaping.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Lauren N.
Shopping center manager
Dec 7, 2025
Our grocery store sidewalk in Portland, ME had a layer of grime that nothing else touched. Pleased with the result. Communication could be more proactive.
Commercial Pressure Washing · Portland, ME, Maine · via Direct
Odette T.
Retail operations manager
Nov 13, 2025
They cleaned the fast-casual patio and the drive-thru lane at our Portland, ME location. Pleased with the result. Communication could be more proactive.
Commercial Pressure Washing · Portland, ME, Maine · via Facebook
Rowan V.
Facility manager
Oct 11, 2025
Our brewery patio in Portland, ME was the first thing customers saw — now it is spotless. They were fully insured and provided a COI without us asking.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Devin W.
Retail operations manager
Oct 11, 2025
They handled the grocery store sidewalk at our Portland, ME location overnight so we never closed. They documented everything with photos for our records.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Reid Z.
Property manager
Sep 28, 2025
We hired them for the sidewalk and ended up adding a recurring contract. The gum removal alone was worth the price.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Ethan P.
Restaurant owner
Sep 7, 2025
We needed the dealership lot cleaned before a corporate walkthrough in Portland, ME. The grease trap area finally does not smell.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Simon Y.
Retail operations manager
Sep 3, 2025
Commercial pressure washing in Portland, ME that actually works around your hours. They used hot water and a degreaser that actually worked.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Adriana H.
Facility manager
Sep 1, 2025
Booked them for the restaurant patio after a bad storm in Portland, ME. The concrete looks much better. A few stubborn stains remain.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Ross M.
Store manager
Aug 22, 2025
They cleaned the office building entrance at our Portland, ME location before we opened for the day. The grease trap area finally does not smell.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Kara Y.
Shopping center manager
Aug 22, 2025
They worked around our business hours in Portland, ME without a single complaint. They finished ahead of schedule and under the quote.
Commercial Pressure Washing · Portland, ME, Maine · via Direct
Marina J.
Retail operations manager
Aug 9, 2025
We had our gas station canopy pressure washed before a health inspection in Portland, ME. Reliable crew. The invoice took a while to arrive.
Commercial Pressure Washing · Portland, ME, Maine · via Direct
Dawn F.
Facility manager
Aug 9, 2025
Our drive-thru lane had years of gum, oil, and grime built up. Happy with the clean. Scheduling took a couple of follow-ups.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Jill U.
Retail operations manager
Jul 30, 2025
Our school walkway in Portland, ME had a layer of grime that nothing else touched. Our inspection passed with zero cleaning-related notes.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Beth J.
Facility manager
Jul 23, 2025
Booked commercial pressure washing for our medical plaza sidewalk in Portland, ME. They used hot water and a degreaser that actually worked.
Commercial Pressure Washing · Portland, ME, Maine · via Facebook
Dwayne O.
Facility manager
Jun 27, 2025
They handled the sidewalk at our Portland, ME location overnight so we never closed. Only knocking a star because the start time slipped by an hour.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Xavier P.
Shopping center manager
Jun 11, 2025
Our dealership lot in Portland, ME was the first thing customers saw — now it is spotless. The concrete looks much better. A few stubborn stains remain.
Commercial Pressure Washing · Portland, ME, Maine · via Yelp
Isaiah M.
Property manager
Jun 5, 2025
The concrete looks better but not dramatically so. The dumpster pad still had grease on it.
Commercial Pressure Washing · Portland, ME, Maine · via Google
Adriana L.
Property manager
May 12, 2025
Disappointing outcome for the price. Follow-up calls went unanswered.
Commercial Pressure Washing · Portland, ME, Maine · via Google
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Portland, ME, Maine
Commercial pressure washing for storefronts, lots, and dumpster pads across Portland, ME.
Portland, ME, Maine
Exterior cleaning crews handling concrete, grease, gum, and graffiti for Portland, ME businesses.
Portland, ME, Maine
Commercial pressure washing for storefronts, lots, and dumpster pads across Portland, ME.