Lead Generation, Propstream & Apollo Data Extraction

I need a clean, ready-to-use lead file built from two sources—Propstream and Apollo.io. From Propstream the focus is commercial properties and apartment assets; every record must include full property details plus up-to-date owner contact information.

Apollo.io will serve as a second source so the final list contains additional prospects pulled from that platform (matching or related to the same asset classes). All data must be scraped, deduped, and formatted in a single spreadsheet so I can sort, filter, and launch campaigns immediately.

Use whatever stack you prefer—Python, Selenium, BeautifulSoup, Apify, or similar—but the workflow has to respect each site’s TOS and deliver reliable results.

Deliverables
• CSV/Excel file with Propstream property details and owner contacts for commercial buildings and apartments
• Separate tab or merged columns with the corresponding Apollo.io leads
• Basic data hygiene: no duplicates, valid phone/email formats, clearly labeled columns

I will spot-check a sample before approving the final hand-off, so please include at least 50 preview rows early in the process.