
At a glance
- Developer
- Bay İnşaat
- Location
- Sarıyer
- Total units
- 445
- Delivery
- Ready
About the project
Twin Towers on a 250-Metre Podium in Maslak
42 Maslak is a mixed-use development of residences, penthouses, offices and retail space in Maslak, in the Sarıyer district of Istanbul. Bay İnşaat İthalat ve Ticaret A.Ş., founded in 1997 under the leadership of Nesim Özmandıracı, was both the project owner and the contractor. The design is by Chapman Taylor's Spanish studio, with licence and construction drawings by Piramit Mimarlık, interiors by Metex Architecture and landscaping by D's Architecture.
The scheme is built on a block about 250 metres long that carries two towers of 42 storeys each, according to the developer and the architect. The developer's residences page counts 445 apartments with balconies across the two towers. The first offices opened in autumn 2013, Tower 1 was completed in 2014 and Tower 2 in 2015, with the retail and entertainment areas following in 2017.
Location and Transport
Maslak is one of Istanbul's main business districts, with office towers, corporate headquarters and hotels clustered along Büyükdere Caddesi and the streets around it. Living at 42 Maslak puts you inside the district itself, so many residents can reach their office without crossing the city.
The M2 metro line runs through Maslak, with stations including İTÜ-Ayazağa and Atatürk Oto Sanayi, and continues south to Levent, Gayrettepe, Şişli and Taksim. Levent, with the Kanyon and Metrocity shopping centres, is a few stops away. For drivers, the TEM motorway (O-2) and the Fatih Sultan Mehmet Bridge connect Maslak with the Asian side and the rest of the European side.
Istanbul Technical University's Ayazağa campus is also in the district, and the retail and leisure space in the 42 Maslak podium serves residents and office workers alike.
Homes and Amenities
The homes are in Tower A and Tower B. The developer's presentation describes Tower A residences ranging from 69 m² to 269 m², and standard flats are built with 4-metre ceilings. The penthouses sit at the top of the scheme with 8-metre ceilings and panoramic views, and some sources also list home-office units in the complex.
Features the developer highlights include:
- balconies for the residences
- 4-metre ceilings in standard flats and 8-metre ceilings in the penthouses
- eligibility for LEED Gold green building certification for the Tower A residences and penthouses
- offices, shops and leisure space within the same complex
Buying at 42 Maslak
Buyers include professionals working in Maslak who want a short commute, investors who let to corporate tenants, and buyers looking for a large penthouse with high ceilings. Because both towers are finished, you can compare real units on different floors and in each tower rather than buying from plans.
When you look at residences for sale at 42 Maslak, Bosphorus Brokers searches current resale listings in both towers, compares asking prices with recent sales in the complex and in other Maslak towers, and checks the title deed (tapu) of the specific unit for its type of ownership, mortgages and annotations. We also confirm whether a unit is registered as a residence or a home office, check the service charge position, and then help with the sales contract, the valuation report a foreign buyer needs, and the title deed transfer at the land registry.
Renting at 42 Maslak
Tenants are typically executives and professionals working for companies in Maslak, Levent and the wider Büyükdere corridor, international staff on assignment in Istanbul, and couples who want a managed tower with shops downstairs. Owners let both furnished and unfurnished residences, usually on annual contracts.
If you are looking for a flat for rent in the towers, we prepare a shortlist that matches your budget, size and view preferences, arrange viewings, review the lease before you sign, agree the deposit terms, and help set up electricity, water, natural gas and internet in your name.
Selling or Letting Your Apartment at 42 Maslak
If you own a residence or penthouse and want to sell or rent out, we start with a valuation based on recent transactions and comparable listings in both towers, adjusted for floor, aspect, layout and ceiling height. We then market the property in six languages to local and international buyers and tenants, organise viewings and screen applicants.
We prepare the sales contract or lease and, for a sale, gather the documents the land registry requires and accompany you through the title deed transfer. For a let, we check references, draw up an inventory and support you at handover. Bosphorus Brokers is an independent licensed brokerage that acts for its clients, not for the developer.
Location
42 Maslak - Sarıyer
Gallery
Floor plans
Frequently asked questions
- How can I buy or reserve a unit at 42 Maslak?
- Contact our licensed advisors to arrange a viewing (in person or online), reserve a unit, and complete legal due diligence and the title-deed transfer. We guide you at every step.
- Are there homes for rent at 42 Maslak?
- Rental availability at 42 Maslak changes from week to week. Tell us your budget, preferred layout and move-in date, and we will check the homes currently for rent there and in similar buildings nearby, arrange viewings and handle the lease and deposit.
- Can Bosphorus Brokers help me sell or rent out my home at 42 Maslak?
- Yes. As a licensed real estate brokerage, we help owners at 42 Maslak with a market valuation, listing and marketing in six languages, viewings, buyer or tenant checks, the contract and, for a sale, the title deed transfer.
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Disclaimer
Bosphorus Brokers is a licensed real estate brokerage in Turkey (license no. 3408704). We are not the developer of 42 Maslak, its official sales office or an authorized representative of the developer. As an independent broker, we help clients buy, sell and rent units in this project.
The information on this page is provided for general information purposes only. It is compiled from publicly available sources and may be incomplete or out of date. Prices, availability, payment plans, delivery dates, floor plans, specifications and images are indicative and may change without notice. Nothing on this page is an offer, a contract, or legal, tax or investment advice. Please confirm all details with the developer and your own advisers before making any decision.
To the fullest extent permitted by law, Bosphorus Brokers accepts no responsibility or liability for the accuracy or completeness of this information, or for any loss arising from reliance on it. Project names, logos and images belong to their respective owners and are used only to identify the project.
If any information on this page is incorrect, or if you are the developer or rights holder and would like this project removed, please email us at contact@bosphorusbrokers.com and we will update or remove it promptly.


