Over 15 years of experience in Munich, Bavaria & the surrounding area. Commission the best real estate agents for your property in Illertissen.
Selling a property is a far-reaching decision. As experienced real estate agents, we support owners in Illertissen with a clear structure, sound market knowledge, and a marketing strategy tailored to the specific property. Whether it's a house sale, apartment sale, land sale, or letting — we stand for clean processes and targeted mediation of your property.
Register your search criteria in our database free of charge. As soon as a suitable property becomes available in Illertissen, we will notify you immediately. Whether it's a house, apartment, plot of land, or investment property — you specify what suits you, and we will only contact you with matches that meet your expectations. Our service is free and non-binding for you as a searcher.
Personally by Gerhard Hahn · FREITAG® Immobilien GmbH
Over 30 years of experience as a real estate specialist
Before a sale or letting in Illertissen, we discuss the property, available documents and your objectives. Pricing requires suitable current comparable data. Agree the scope of advice and marketing personally with Gerhard Hahn.
»Competent and trustworthy, absolutely perfect«
»Mr Freitag successfully sold my company mudis and completely surprised me with the sale price. I am still absolutely thrilled!«
»FREITAG® Immobilien helped us quickly and professionally with a financially very urgent matter. Many thanks again for that!«
Anyone looking for an experienced real estate agent in Illertissen expects more than just the publication of an advertisement. Crucial factors are a realistic valuation, a suitable marketing strategy, high-quality documentation, professional communication with prospective buyers and secure contract processing. This is precisely where we come in.
As a real estate agency for Illertissen, we support owners, communities of heirs, capital investors, and landlords in all phases of real estate brokerage — with clear processes and transparent advice.
Personal consultationPersonal, discreet, with over 15 years of market knowledge – your real estate agent for Illertissen.
You don't have to come to us: For a personal consultation or a property valuation, your real estate agent will, of course, come to you in Illertissen – discreetly, without obligation, and at an appointment time that suits you.
Land and use
Illertissen’s planning index includes a bylaw for the Altstadt/Kernstadt regeneration area. For a central property, check whether your plot is covered.
Bebauungspläne - Stadt IllertissenIllertissen links a parking bylaw. Check its provisions before planning a change of use affecting parking needs.
Örtliche Bauvorschriften - Stadt IllertissenLocal sources reviewed on: 2026-11-01
Data type: Historical guide values, collection method not documented.
Period of the stored series: 2016–2025.
Attributed source: Immobilienmakler München Starnberg. Retrieval recorded in the data: 2026-05-04.
No traceable sample or calculation method is recorded for these figures. They are not confirmed current transaction prices or official land reference values for your plot.
Illertissen is a town in the Neu-Ulm district, located approximately 25 kilometers south of Ulm and 30 kilometers north of Memmingen in Central Swabia. The municipality lies at 513 m above sea level in southwestern Bavaria and is named after the Iller river flowing directly to its west. Illertissen comprises five cadastral districts and 13 municipal parts, including Au, Betlinshausen, Jedesheim, and Tiefenbach. Neighboring communities include Bellenberg, Weißenhorn, Buch, Unterroth, Altenstadt an der Iller, Balzheim, and Dietenheim. This geographical positioning provides a firm foundation for property buyers and owners within the Swabian region.
Source for local facts: Wikipedia
Last stored average purchase price per m² for houses in Illertissen: 4,150 €/m²
The stored series covers 2016 to 2025. Its final value is 56.6% above the first. This describes only the stored figures, not today's market conditions or the value of an individual property.
| Year | Avg. value | Change |
|---|---|---|
| 2016 | 2,650 €/m² | – |
| 2017 | 2,780 €/m² | +4.9 % |
| 2018 | 2,930 €/m² | +5.4 % |
| 2019 | 3,120 €/m² | +6.5 % |
| 2020 | 3,320 €/m² | +6.4 % |
| 2021 | 3,620 €/m² | +9 % |
| 2022 | 3,980 €/m² | +9.9 % |
| 2023 | 4,080 €/m² | +2.5 % |
| 2024 | 4,120 €/m² | +1 % |
| 2025 | 4,150 €/m² | +0.7 % |
Last stored average purchase price per m² for apartments in Illertissen: 3,850 €/m²
The stored series covers 2016 to 2025. Its final value is 57.1% above the first. This describes only the stored figures, not today's market conditions or the value of an individual property.
| Year | Avg. value | Change |
|---|---|---|
| 2016 | 2,450 €/m² | – |
| 2017 | 2,560 €/m² | +4.5 % |
| 2018 | 2,690 €/m² | +5.1 % |
| 2019 | 2,860 €/m² | +6.3 % |
| 2020 | 3,050 €/m² | +6.6 % |
| 2021 | 3,320 €/m² | +8.9 % |
| 2022 | 3,670 €/m² | +10.5 % |
| 2023 | 3,760 €/m² | +2.5 % |
| 2024 | 3,820 €/m² | +1.6 % |
| 2025 | 3,850 €/m² | +0.8 % |
Last stored average rent per m² in Illertissen: 10.80 €/m²
The stored series covers 2016 to 2025. Its final value is 50% above the first. This describes only the stored figures, not today's market conditions or the value of an individual property.
| Year | Avg. value | Change |
|---|---|---|
| 2016 | 7.20 €/m² | – |
| 2017 | 7.45 €/m² | +3.5 % |
| 2018 | 7.70 €/m² | +3.4 % |
| 2019 | 8.00 €/m² | +3.9 % |
| 2020 | 8.35 €/m² | +4.4 % |
| 2021 | 8.75 €/m² | +4.8 % |
| 2022 | 9.35 €/m² | +6.9 % |
| 2023 | 9.85 €/m² | +5.3 % |
| 2024 | 10.35 €/m² | +5.1 % |
| 2025 | 10.80 €/m² | +4.3 % |
Last stored land guide value per m² in Illertissen: 520 €/m²
The stored series covers 2016 to 2025. Its final value is 116.7% above the first. This describes only the stored figures, not today's market conditions or the value of an individual property.
| Year | Avg. value | Change |
|---|---|---|
| 2016 | 240 €/m² | – |
| 2017 | 255 €/m² | +6.3 % |
| 2018 | 275 €/m² | +7.8 % |
| 2019 | 300 €/m² | +9.1 % |
| 2020 | 330 €/m² | +10 % |
| 2021 | 380 €/m² | +15.2 % |
| 2022 | 455 €/m² | +19.7 % |
| 2023 | 500 €/m² | +9.9 % |
| 2024 | 515 €/m² | +3 % |
| 2025 | 520 €/m² | +1 % |
The recorded retrieval date is not evidence of new market values. For a decision today, check current property-specific data and the relevant official information.
Stored annual figures for houses, flats and rents in Illertissen, each including the change compared to the previous year.
| Year | Houses Avg/m² | YoY | Flats Avg/m² | YoY | Rent Avg/m² | YoY |
|---|---|---|---|---|---|---|
| 2016 | 2,650 €/m² | – | 2,450 €/m² | – | 7.20 €/m² | – |
| 2017 | 2,780 €/m² | +4.9 % | 2,560 €/m² | +4.5 % | 7.45 €/m² | +3.5 % |
| 2018 | 2,930 €/m² | +5.4 % | 2,690 €/m² | +5.1 % | 7.70 €/m² | +3.4 % |
| 2019 | 3,120 €/m² | +6.5 % | 2,860 €/m² | +6.3 % | 8.00 €/m² | +3.9 % |
| 2020 | 3,320 €/m² | +6.4 % | 3,050 €/m² | +6.6 % | 8.35 €/m² | +4.4 % |
| 2021 | 3,620 €/m² | +9 % | 3,320 €/m² | +8.9 % | 8.75 €/m² | +4.8 % |
| 2022 | 3,980 €/m² | +9.9 % | 3,670 €/m² | +10.5 % | 9.35 €/m² | +6.9 % |
| 2023 | 4,080 €/m² | +2.5 % | 3,760 €/m² | +2.5 % | 9.85 €/m² | +5.3 % |
| 2024 | 4,120 €/m² | +1 % | 3,820 €/m² | +1.6 % | 10.35 €/m² | +5.1 % |
| 2025 | 4,150 €/m² | +0.7 % | 3,850 €/m² | +0.8 % | 10.80 €/m² | +4.3 % |
Data type: Historical guide values, collection method not documented.
Period of the stored series: 2016–2025.
Attributed source: Immobilienmakler München Starnberg. Retrieval recorded in the data: 2026-05-04.
No traceable sample or calculation method is recorded for these figures. They are not confirmed current transaction prices or official land reference values for your plot.
Frequently asked questions about buying, selling, financing, and living in Illertissen — concisely answered.
For owners in Illertissen who wish to sell their property and continue to live in it, FREITAG® offers the classic property annuity (Immobilienverrentung) — via usufruct (Nießbrauch), Right of residence, Leaseback or Life annuity. You release the capital tied up in your house or condominium in Illertissen and secure a right of residence registered in the land registry.
The model that is particularly in demand is Usufruct: You remain the economic owner, are in the first rank in the land registry, and can even rent out the property if needed. An owner-occupancy termination is contractually excluded for all four models.
Whether it's care costs, gifts to heirs, or a noticeably higher pension: We will check for owners in Illertissen, free of charge, which model suits their life situation, and obtain offers from selected investors and foundations.
For many businesses, capital is tied up in Illertissen in their own property instead of in operational business. Sale & Lease-Back solves this: sale to an investor, simultaneously a long-term lease agreement that secures usage. Business operations, address, and workforce remain where they are.
A lot changes in the balance sheet — the property leaves the fixed assets, depreciation becomes rental expense. Whether this is advantageous for your company depends on the legal form, financing structure, and tax starting position; therefore, we calculate this together with your tax advisor before anything is signed.
Crucial for the achievable price are the lease agreement term, creditworthiness, and third-party usability (Drittverwendungsfähigkeit) of the property in Illertissen. We structure these points so that the sales proceeds and the subsequent rental burden are in a reasonable relationship.
Owners of hotels and restaurants in Illertissen who wish to sell their hospitality property or lease it want, will find FREITAG® to be a partner for the Horeca sector. We broker everything from traditional guesthouses and cafés to hotels and boarding houses to investors and successors who understand the industry.
Selling a hotel in Illertissen without business interruption is a complex task: We assist with valuation, discreet exposé creation, and approaching suitable buyer groups — for ongoing operations as well as for properties with conversion potential.
Alternatively, we lease: solvent tenants with industry experience, checking of creditworthiness and concept, long-term predictable lease income. For every hospitality property in Illertissen the right strategy.
Managing Director of FREITAG® Beteiligungsgesellschaft mbH
For over 30 years, Gerhard Hahn has been active as a real estate appraiser, real estate consultant, and real estate agent in Bavaria and Southern Germany — focusing on high-quality residential property, off-market marketing, and the discreet support of owners, communities of heirs, and family offices.
For your property in Illertissen, we first clarify the documents, condition and purpose of the instruction. An individual valuation requires suitable comparable data and a review of the property. Discuss the appointment, responsibilities and scope with Gerhard Hahn before giving an instruction.
Note: This list is based on AI-powered research (ChatGPT) of publicly available sources and does not constitute an official evaluation or recommendation. The order does not imply a hierarchical ranking.
VERMACS is your reliable estate agent for Illertissen and the entire 89257 postcode area, including Au, Betlinshausen, Jedesheim, and Tiefenbach. The company also serves Vöhringen and Weißenhorn, offering professional advice on the purchase, sale, and letting of residential properties. With many years of experience, the team knows the local market inside out.
Visit websiteGMK Immobilien is your local estate agent in Illertissen, focusing on the Ulm, Illertissen, and Upper Swabia regions. The team offers a full-service package for the purchase, sale, and letting of residential properties. Available locally on Bahnhofstraße.
Visit websiteExklusiv Wohnbau is active in Illertissen and specialises in residential properties with a local point of contact. The company serves clients on Rudolf-Kurz-Straße and offers advice on houses and apartments. Local expertise for the Illertissen residential market.
Visit websiteZur Maklere brokers properties in Illertissen (postcode 89257), including prime residential locations with houses and commercial spaces. The team is active locally and offers listings in the area surrounding Ulm and the Allgäu. Contact via telephone for personal advice.
Visit websiteHenlebau lets commercial and residential spaces in Illertissen, for example in Gewerbe im Grün and on Dietenheimer Straße. The owner-managed company is deeply rooted locally and manages property projects in the region. Ideal for local letting and sales.
Visit websiteANLI Immobilien covers all 13 districts of Illertissen (postcode 89257), including Aumühle, Au, and Betlinshausen. The estate agent specialises in the local residential market and provides support with sales and brokerage. In-depth knowledge of the Illertissen neighbourhoods.
Visit websiteAre you looking for a real estate agent not directly in Illertissen, but in the surrounding area? FREITAG® also serves the following municipalities in Bavaria with local market knowledge, current purchase prices, and personal advice:
These locations are within a price band of ±10% around the current average house price per square metre of Illertissen (Ø 4,150 €/m²) — ideal for an honest market comparison and alternative location assessments.
Illertissen is located in a border region — many of our clients compare locations across countries. These municipalities in neighbouring countries offer similar location qualities and are often the closest alternative:
From measurements and the energy performance certificate to buyer selection: We fully prepare your house before it goes on the market — and conduct negotiations up to notarisation.
We consider the declaration of division (Teilungserklärung), service charge (Hausgeld), energy performance certificate, reserves, and target group — and structure the entire sales process for you.
Developability, layout, development status, and land value guide are crucial. We provide a realistic valuation and specifically address suitable buyers and investors.
Office, practice, warehouse, hotel, or gastronomy — discreet marketing with a sound valuation and personal support until completion.
The right rental price determines whether a property stands vacant or has long-term tenants. We set it at a market-appropriate level and pre-filter interested parties, instead of holding mass viewings.
For houses, tenant quality matters more than the final price point. We select tenants who will look after the property long-term.
Sell and stay living in your home: We compare the four common models based on your situation and clearly state the disadvantages as well as the advantages.
Understandable valuation as a basis for sale or letting — carried out by certified experts with regional market knowledge.
Contact us — we will advise you without obligation on valuation, marketing, and next steps.
Phone hours: Mon–Sat 09:00–20:00 · Sun & public holidays closed
The Sparkassen-Karree is being built in the center of Illertissen as a new quarter with apartments, commercial space, offices and gastronomy. The former Sparkasse branch has been undergoing demolition for this purpose since the end of February 2025.
The central new construction project continues to grow at the Hirsch-Areal at the Hirschkreuzung. According to the report, 37 rental apartments and commercial spaces are being built there; completion is scheduled for June 2026.
A 16-unit apartment building with one- to four-room apartments is planned on the former Henle-Bau company site in Illertissen. The report describes that the approval was granted despite resistance from the council.
25 terraced houses are planned on the former DB and BayWa site north of the train station. The city council has approved the preliminary building application; the project is considered a conversion of a former commercial area.
The TTS Group is investing around 24 million euros in a modern new building on Pionierstraße in Illertissen. The project is intended to create growth space for the companies Tanos and TTS Cleantec.
The IL1 residential ensemble in Illertissen was implemented between 2020 and 2022. 45 residential units were built in eight detached buildings on 5,600 square meters.
The Free State of Bavaria is planning a new building for the police in Illertissen; the estimated total construction costs are 30.5 million euros. The report also covers the planned land purchase and the structural suitability.
The "In den Vöhlingärten" residential complex in Illertissen was realized on around 5,600 square meters. 45 residential units were created in six apartment buildings with a shared underground garage.
