Over 15 years of experience in Munich, Bavaria & the surrounding area. Commission the best real estate agents for your property in Sisseln.
Selling a property is a far-reaching decision. As experienced real estate agents, we support owners in Sisseln 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.
A significant proportion of properties in Sisseln change owners before an advertisement is placed. Those with a registered search profile are on the list the moment an owner commissions us. You describe once what you are looking for — location, size, budget, condition — and you will only hear from us when it truly matches.
Personally by Gerhard Hahn · FREITAG® Immobilien GmbH
Over 30 years of experience as a real estate specialist
We generally market your property in Sisseln initially off-market — without a sign, without an online advertisement, without a public exposé. Only when the discreet route has been exhausted and you expressly wish it, do we move to broad marketing. This way, your privacy is preserved — from neighbours, tenants, employees, and the tax office.
»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 Sisseln 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 Sisseln, 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 Sisseln.
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 Sisseln – discreetly, without obligation, and at an appointment time that suits you.
Market data for Sisseln at a glance: purchase prices for houses and flats, rents, and land values, each with a history of several years. The basis is publicly available statistics and analyses from the valuation committees.
For Swiss municipalities, the Federal Statistical Office (FSO) does not publish square metre prices per municipality, but rather the national residential property price index IMPI. We therefore show the national index – as a reference for long-term price development in Sisseln. Basis: Q4 2019 = 100.
Index level 2026: 126.8 points (Basis Q4 2019 = 100)
The national FSO index IMPI reflects the development of transaction prices for owner-occupied housing in Switzerland. As the FSO does not publish square metre prices specific to municipalities, the national index serves as a reliable reference for long-term price development — including in Sisseln.
| Year | Avg. value | Change |
|---|---|---|
| 2017 | 92.2 Index | – |
| 2018 | 95.0 Index | +3 % |
| 2019 | 98.5 Index | +3.7 % |
| 2020 | 101.0 Index | +2.5 % |
| 2021 | 106.7 Index | +5.7 % |
| 2022 | 113.5 Index | +6.4 % |
| 2023 | 116.0 Index | +2.2 % |
| 2024 | 118.1 Index | +1.7 % |
| 2025 | 123.4 Index | +4.6 % |
| 2026 | 126.8 Index | +2.7 % |
| Year | Total | Detached houses | Condominiums |
|---|---|---|---|
| 2017 | 92.2 | 91.8 | 92.7 |
| 2018 | 95.0 | 94.6 | 95.3 |
| 2019 | 98.5 | 98.5 | 98.6 |
| 2020 | 101.0 | 101.2 | 100.7 |
| 2021 | 106.7 | 107.3 | 106.2 |
| 2022 | 113.5 | 115.1 | 112.1 |
| 2023 | 116.0 | 117.3 | 114.9 |
| 2024 | 118.1 | 118.6 | 117.5 |
| 2025 | 123.4 | 123.8 | 123.1 |
| 2026 | 126.8 | 127.0 | 126.6 |
Durchschnittlicher Anstieg Total 2017–2026: +3.60 % p.a.
Source: Bundesamt für Statistik (BFS) – Schweizerischer Wohnimmobilienpreisindex (IMPI) · retrieved on 2026-05-08
Capital investors should check the re-letting potential in Sisseln. In small municipalities, the pool of tenants is limited, but tenancies are often long-term. The real estate market in Sisseln is a small sub-market. Few properties come onto the market each year, meaning each individual listing has a strong effect on price trends. The Laufenburg district generally serves as the comparative area, as the demand profile and construction style there are most comparable to Sisseln. We continuously update the data for Sisseln and provide sources for every figure rather than estimating values.
Frequently asked questions about buying, selling, financing, and living in Sisseln — concisely answered.
For owners in Sisseln 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 Sisseln 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 Sisseln, 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 Sisseln 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 Sisseln. We structure these points so that the sales proceeds and the subsequent rental burden are in a reasonable relationship.
Whether a country inn, city café, hotel garni, or boarding house with an annex — for hospitality and accommodation properties in Sisseln there is a specific, manageable circle of buyers. We have known and cultivated this circle for years, instead of advertising widely.
Often, leasing is the calmer path: you retain the property in Sisseln your portfolio, hand over operational management, and receive ongoing income. We check the concept and creditworthiness of the tenant before the contract is concluded.
If the property is vacant or no longer profitable to operate, we examine repurposing — for example, into residential space, a boarding house, or practice premises. What is Sisseln legally permissible under building law, we clarify before marketing.
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 Sisseln, Gerhard Hahn draws on a network of pre-registered capital investors, family offices, and owner-occupiers that has grown over 30 years — many of whom have a specific search profile in the surrounding area. Personal appointments in Sisseln are an integral part of every mandate for Gerhard Hahn — no remote diagnosis, no templates.
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.
Experienced estate agent in Sisseln specialising in property sales in the Canton of Aargau. The team provides owners with personal support from the initial consultation to the successful handover, ensuring a structured and professional sales process.
Visit websiteLocal estate agent operating in Aargau and Solothurn. Offers an all-inclusive package covering valuation, presentation, marketing, and the sale of properties from a single source.
Visit websiteOne of the largest estate agents in Sisseln with an extensive portfolio of properties for sale. Active in the brokerage of residential properties in the region.
Visit websiteEstablished estate agent in Sisseln with a significant market share. Specialised in property sales and brokerage in the region.
Active estate agent in Sisseln with regular property listings for sale. Brokers residential properties in the local area.
Specialised estate agents for Sisseln AG with expertise in property sales and professional property valuation. Offers comprehensive advice for sellers.
Visit websiteLocal estate agent in Sisseln under the leadership of Hanspeter Kym. Active in property brokerage and transaction management in the region.
Estate agent with a presence in Sisseln and high ratings. Brokers residential properties and offers professional real estate services in the region.
Are you looking for a real estate agent not directly in Sisseln, but in the surrounding area? FREITAG® also serves the following municipalities in Aargau with local market knowledge, current purchase prices, and personal advice:
Sisseln 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:
Detailed analysis of the plot, year of construction, condition, and micro-location. We develop an individual marketing strategy and support the house sale up to the notary appointment.
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.
Third-party usability, remaining term of rental agreements, and tenant creditworthiness determine the price of your commercial property. We tailor the documents precisely to these factors.
Credit checks, self-disclosure forms, handover protocols, and a clear tenancy agreement — we handle the entire letting process, including viewings.
For houses, tenant quality matters more than the final price point. We select tenants who will look after the property long-term.
Right of residence (Wohnrecht), leaseback, life annuity (Leibrente), or usufruct (Nießbrauch) — we examine the most suitable option for you and advise on opportunities and framework conditions.
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
| Country | Schweiz |
| Federal State | Aargau |
| District | Laufenburg |
| Altitude | 295 |
| Postcode | 4334 |
| Inhabitants | 1.601 |
| Population Change (10 yrs) | 12,4 % |
| Population density (per km²) | 635,32 |
| Proportion of foreign nationals | 27,5 % |
| Vacancy rate | 2,76 % |
| Wohnbautätigkeit (Neubau / 1 000 EW) | 1,9 |
| Total employees | 1.117 |
Quellen: Wikipedia (accessed on 2026-05-08) · Bundesamt für Statistik – Regionalporträts der Gemeinden (as of 2004–2020, BFS-Nr. 4177)
DSM-Firmenich has laid the foundation stone for the new 'Space' multi-purpose building in Sisseln. The project includes a staff restaurant, offices, training rooms, meeting rooms, and a central QC analysis laboratory; completion is scheduled for 2028.
Busch Vacuum Solutions and Pfeiffer Vacuum are jointly constructing a new sales, system construction, and service center in Sisseln. The building is being developed in the Grossmatt industrial area on nearly 6100 square meters; completion was planned for 2025.
Construction of a multi-family house by the local citizens' community began on Rehweg in Sisseln. The article emphasizes that this will create much-needed housing in the municipality.
DSM-Firmenich has inaugurated a new development building at its site in Sisslerfeld. According to the report, a double-digit million amount was invested, and the cooperation with the local municipalities was highlighted.
Busch AG successfully pushed through its building application for an operational building in Sisseln without any objections. The company purchased a site of approximately 6100 square meters for this purpose; construction was set to start in the same year.
Construction of a new development building began at the DSM plant in Sisseln. Burckhardt was responsible as the general planner; completion was scheduled for 2024.
In Sisslerfeld, DSM started the expansion of its plant and the construction of a new development building. The report mentions an investment sum in the double-digit million range and occupancy for the first half of 2024.
Birri Architekten document the expansion and optimization of the Sisseln municipal administration, with realization in 2017/2018 and opening in September 2018.
