Service Phone You are already a tenant and you have questions or you would like to report a technical problem in your apartment, then use this online form to contact the property management. Title * Mr. Mrs. Accessibility Object * Berlin Mitte Berlin Nord Berlin Kreuzkölln Wuppertal Magdeburg Essen Bonn First Name * Phone * Floor * 1. OG 2. OG 3. OG 4. OG 5. OG 6. OG 7. OG 8. OG 9. OG 10. OG 11. OG 12. OG DG EG Last Name * E-Mail * Located at * links mitte mitte/rechts rechts What is your problem/issue? Electric Heating/Sanitary Paint Carpentry Other The issue exists since: * Note reCAPTCHA You have also the possibility to contact the property management by mail (letter): Coastline Real Estate GmbH, Gillweg 3, 14193 Berlin Phone: +49 (30) 544 45 292