Keystone Realtors (Rustomjee), established in 1995, is one of the prominent Mumbai Metropolitan Region-based realtors with a leadership position in the redevelopment space. Its expansion into Navi Mumbai — and specifically into Panvel — marks a deliberate step beyond the company's traditional Western and Eastern suburban strongholds. With 39 completed projects, 17 ongoing, and 21 forthcoming projects, the developer has delivered over 29 million sq ft and holds a pipeline of over 46 million sq ft of construction area. That scale gives the company the procurement, design, and execution muscle to enter a fast-moving market like Panvel without cutting corners on product quality.
Founded by Boman Rustom Irani, the group has been actively involved in developing housing projects that cater to mid-income, premium, and luxury segments. Its portfolio spans residential spaces, office complexes, retail developments, and spaces for healthcare and education across Prabhadevi, BKC Annex, Khar, Kandivali, Borivali, Virar, and Thane. Panvel represents the company's first confirmed footprint in Navi Mumbai proper — a geography that analysts have flagged as among the MMR's most infrastructure-driven growth markets of the decade.
Rustomjee Panvel offers a range of housing options including 1, 2, and 3 BHK apartments, catering to the diverse needs of homebuyers. One of the key advantages of the project is its strategic location: Panvel is well-connected to major parts of Mumbai through road and rail networks. With a focus on sustainable and eco-friendly living spaces, the project incorporates green building practices and energy-efficient features. For buyers familiar with Rustomjee's township projects in Thane or its gated communities in Borivali, this is a product line consistent with what the brand has built elsewhere in MMR — but priced to reflect Panvel's current land economics.
The timing of Rustomjee's Panvel entry is not coincidental. Three hard infrastructure triggers have converged in this micro-market within a compressed window, fundamentally altering its commuter geography.
The Mumbai Trans Harbour Link (Atal Setu), India's longest sea bridge at 21.8 km, connects Sewri and Nhava Sheva and was inaugurated in January 2024, reducing travel time between Sewri and Nhava Sheva from two hours to under 30 minutes. The MTHL now makes reaching Panvel from central and south Mumbai more convenient than accessing Andheri in the western suburbs or Ghatkopar in the central suburbs — where real estate prices are currently three to four times higher. That inversion in travel-time economics is precisely the kind of structural shift that draws a developer like Rustomjee to a location.
The Navi Mumbai International Airport (DB Patil NMIA), which began commercial operations in December 2025, is designed to handle 20 million passengers annually in its first phase and is strategically located near Panvel, expected to ease congestion at Mumbai's existing airport while boosting regional connectivity, real estate growth, and economic development. Metro connectivity to the airport will be provided by Metro Line 2D, Metro Line 8 (Mumbai Airport to Navi Mumbai Airport), and the Navi Mumbai Pendhar Belapur Taloja Metro Line.
Central Railway has also finalised the fourth rail line between Panvel and Karjat — a project that will enhance regional connectivity and bring the Navi Mumbai International Airport significantly closer to Pune, with completion targeted by December 2025. Once completed, the Panvel–Karjat corridor is expected to significantly reduce travel time between CSMT and Karjat, cutting the journey duration by approximately 30 minutes compared to the existing route via Kalyan.
With the Navi Mumbai International Airport and the MTHL both operational, Panvel's property prices have jumped from ₹8,000 per square foot in 2023 to nearly ₹10,000 in 2025. The airport's influence zone — the NAINA (Navi Mumbai Airport Influence Notified Area) — is expected to see sprawling residential, commercial, hospitality, and warehousing development across Panvel, Ulwe, and surrounding areas. As ANAROCK's Anuj Puri noted, "MTHL is unlocking Navi Mumbai's potential as property prices in the areas of Ulwe and Kharghar are increasing 15–20% as demand rises."
With property prices ranging from ₹9,500 to ₹15,000 per sq ft in 2025, Navi Mumbai remains significantly more affordable than Mumbai city, offering high appreciation potential and the chance for early investors to see returns of 15–25% upon possession. For a buyer choosing between a smaller flat in Andheri or a larger apartment in Panvel from a developer of Rustomjee's standing, the arithmetic increasingly favours the latter.
A key focus of the Rustomjee group is on residential townships and gated communities that combine modern design, functional layouts, and lifestyle amenities — developed across prominent locations addressing both urban and suburban housing demands, with an emphasis on space optimisation, community living, and long-term livability. That product philosophy maps well onto Panvel's buyer profile: end-users who work in Mumbai, Pune, or the Nhava Sheva port logistics belt and want a genuinely sized apartment with curated common areas — not a corridor flat in a dense suburb.
Keystone Realtors' Chairman and Managing Director Boman Irani has expressed confidence in achieving sales booking targets of ₹4,000 crore for the fiscal year, with the company already having sold properties worth ₹1,839 crore in H1 FY2026, up 40 per cent annually. That momentum — driven by strong MMR demand — creates internal incentive to deliver Panvel on time, since the company's market reputation now carries the weight of a listed entity's quarterly disclosures.
Panvel is known for its proximity to various industrial regions managed by the Maharashtra Industrial Development Corporation (MIDC), such as Patalganga and Taloja, making it an attractive location for professionals working in these areas. In terms of civic amenities, Panvel has a number of schools, colleges, hospitals, general stores, and businesses. Beyond economic benefits, the region also offers homebuyers serene surroundings, a relatively pollution-free environment with one of the country's better Air Quality Index readings, and an improved quality of life compared to denser Mumbai suburbs.
The airport will be accessible via roads in three directions: NH 4B (348), the Sion–Panvel Highway, and through Atal Setu — meaning a Rustomjee Panvel resident has redundant road options to both the island city and the Pune expressway belt, reducing dependence on any single corridor.
Keystone Realtors has successfully housed over 19,000 families through several redevelopment and new-development projects across MMR. Established in 1995, Rustomjee has delivered over 230 landmark buildings across Mumbai. For a buyer entering Panvel — a market that still carries some of the uncertainty of rapid-growth zones — that delivery history across comparable MMR suburban markets provides meaningful assurance about construction timelines and post-possession quality.
Keystone Realtors follows an asset-light model and is a strong player in redevelopment housing projects. So far, the company has delivered more than 26 million sq ft of area. The asset-light approach — which involves joint development and redevelopment agreements rather than outright land acquisition — allows the company to deploy capital more efficiently and move faster in new geographies, which matters in a market like Panvel where land costs are rising quickly with each infrastructure milestone.