We have excellent house level accuracy for: 

US, Canada, Mexico (city), Brazil, South Africa, South Korea, Portugal, Spain, France, Switzerland, Italy, Austria, Czech Republic, Netherlands, Japan, Taiwan, Australia, New Zealand, Reunion, Mayotte, French Guiana, Kuwait, Doha, Dubai, Germany, Poland, Belarus, Slovakia, Finland, Norway, Kosovo, Estonia

We also provide street-level accuracy for the rest of the world. Since we regularly add/update our datasets, the results keep improving over time.