Welcome to Thomas Raizner Diplom-Sachverständiger (DIA) for the valuation of developed and undeveloped properties, for rents and leases, certified real estate appraiser DIAZert (LS) - DIN EN ISO/IEC 17024 / DAkkS-No. D-ZP-16018-01-00 as well as... expert for real estate valuation and damage to buildings (PersCert TÜV Rheinland) in Constance/Ermatingen and around Lake Constance!
As a certified expert (DIA) for the valuation of developed and undeveloped properties, for rents and leases (German Real Estate Academy at the University of Freiburg), certified real estate appraiser DIAZert (LS) - DIN EN ISO/IEC 17024 (DIA Consulting AG Freiburg) and expert for real estate valuation and damage to buildings (PersCert TÜV Rheinland), I provide you with qualified market value appraisals in accordance with § 194 BauGB (German Building Code), brief appraisals, damage appraisals, pollutant appraisals, court appraisals and general appraisals. I also carry out measurements, tests, consultations and support during purchase and construction.
Regular compulsory seminars and further training ensure the quality/up-to-dateness of my professional services.
My service catalog in detail:
Market value appraisal
the valuation of undeveloped properties
Valuation of developed properties (single and multi-family houses, residential and part-ownership, residential and commercial buildings, commercial, retail and industrial properties, agricultural buildings)
Rental value appraisals (the determination of residential rents and leases to determine local rents)
Mortgage lending value appraisals
Brief appraisals
Building inspection of all trades / property types
Handover reports
Quality monitoring during construction
Thermography for buildings + electrical systems
Leakage detection and measurements with thermal imaging camera
Preparation of energy performance certificates (demand and consumption certificates)
Purchase and sales advice for all types of real estate
Assessment of the condition of a property
Moisture measurement
Mold analysis
Cost calculations for renovations / refurbishments
Living space measurement (calculation of living space and usable space)
Damage appraisals (damage to buildings, insurance claims)
Preservation of evidence
Pollutant reports (air analyses, air tests and material samples for pollutant contamination)
Expert opinions / remediation of moisture and mold problems
Advice on correct ventilation
Advice on house construction
New construction, renovation, project development, sale and rental via cooperation partners
The ProvenExpert Quality Seal is awarded to service providers who have received at least 10 customer reviews with a recommendation rate of 90% or higher.
Mr. Raizner prepared the market value appraisal I commissioned quickly, professionally and to my utmost satisfaction. He also deals with questions and special features and is absolutely customer-oriented. One feels to be in best hands.
Mr. Raizner does his job to the fullest satisfaction, he advises comprehensively and takes his time so that the customer can present his concerns and expectations. He prepares a comprehensive, understandable and fair expert opinion and is also available after the end of the assignment for queries in a competent and friendly manner as a contact person for his customers. I would hire Mr. Raizner again at any time and can fully recommend him.
Mr. Raizner has advised us very friendly and competent. His extraordinary expertise, also in terms of investments to be made, conversion after purchase of the house have helped us a lot. This consultation was very worthwhile for us and has paid off completely. We can absolutely recommend Mr. Raizner.
Mr. Raizner was very friendly and open to questions. However, we got the impression that he had not informed himself in advance about the usual costs for construction measures and land or real estate prices in our place of residence.
Dear Customer,
First of all, thank you very much for taking the time to rate us. The ratings and opinions of our customers are extremely important to us. We can see from the ratings where we can optimize our procedures, processes and service provision. We are not able to verify the case at hand, as you submitted the rating anonymously and we are not allowed to contact you. We would be happy to discuss the matter again and clarify any misunderstandings. We would be very pleased to hear from you.
With kind regards
Yours
Thomas Raizner
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Profile active since 26/04/2016 | Last update: 05/12/2025
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