Building repairs,
from one photo.
Show us what is bothering you in your apartment building with a photo. Learn the likely causes and a cost Estimate, then take the next step.
Prototype · Up to 6 photos. Nothing leaves this browser.
For building Owners, Management Associations and Management Companies.
See how it worksIf you smell gas or see smoke or sparks, get safe before taking any photos.
A stain on the washroom ceiling.

What one photo can show.
Prototype. The sample photos, Diagnoses and amounts are all placeholders.
Sample
Cracks are appearing tooContractors and the AI see this too. Do not include personal details.
Tape on the photos
See the sample request details
Request details
A brown stain has appeared on the ceiling and is slowly spreading. No water has dripped down yet.
- Where
- Washroom ceiling
- Noticed
- About two weeks ago
Sample photo: “Ceiling water damage” by Atomicdragon136, CC BY 3.0(cropped, text added)
Sample Diagnoses
This may be a leak from the floor above
Have it looked at within a week
The stain is spreading and is damp, so water may be coming from the pipes on the floor above.
Based on these notes
Cost Estimate (excl. tax)
¥59,000–¥180,000
¥64,900–¥198,000 incl. tax
Estimate for Leak investigation and Ceiling panel replacement. Partial pipe repair not included.
Likely causes
- A leak from the plumbing on the floor aboveLikelihoodHigh
- Worn waterproofing on the floor aboveLikelihoodMedium
- A stain caused by condensationLikelihoodLow
写真をもとにした参考意見で、点検の結果ではありません。現地調査をおすすめします。
Shown in Japanese until the English wording has been legally reviewed. The Japanese version applies.
See this full sample DiagnosisWhat a photo can tell us, and what needs checking on site.
We sort out the likely causes and repair methods. Anything the photo cannot show, and how far the damage really goes, has to be checked on site.
What we work out from the photo
- Possible causes
- Based on the photo and the words on your tape, we suggest what may be causing it.
- Repair methods
- We set out the repairs likely to be needed and which Trade to ask.
- Cost range
- Worked out from reference data and quantities. If the data is not enough, we show no amount.
This may be a leak from the floor above
A photo alone cannot pinpoint where the leak is.
What needs checking on site
- Damage you cannot see
- Behind the ceiling, the pipes, and where a leak runs.
- How much needs repairing
- How far it has spread, the state of the base layer, and any scaffolding needed.
- The actual Quote
- Confirmed with a Contractor after the Site Survey.
写真をもとにした参考意見で、点検の結果ではありません。現地調査をおすすめします。
Shown in Japanese until the English wording has been legally reviewed. The Japanese version applies.
A few words on a photo. From there, a conversation about the repair.
You do not need to know the technical terms. Just tell us what you noticed.
A few words about what you noticed. You can try it here.
Photograph the problem
A stain on the ceiling, a peeling wall: take a photo of whatever is bothering you.
Put tape on the photo
"It's wet." "It's spreading." A few words, right on the photo.
Learn the causes and cost Estimate
See the Urgency, repair methods and costs. If the reference data is not enough, we show no amount.
Take photos up close, and from a little further back.
Show the problem and what is around it. Stay away from anything dangerous and take photos from a safe spot.
Prototype · Up to 6 photos. Nothing leaves this browser.

