Keystone Realtors Limited was incorporated in 1995, and the Rustomjee brand itself was launched a year later by Boman Rustom Irani, a first-generation developer from Mumbai's contractor community. Keystone Realtors was incorporated in 1995; the Rustomjee brand was launched in 1996 by Boman Rustom Irani, a first-generation developer with roots in Mumbai's contractor community. Long before Rustomjee became known for addresses in Bandra, Juhu and Prabhadevi, its very first residential development, Rustomjee Regency, came up in Dahisar West. Introduced Rustomjee Regency in Dahisar, marking the beginning of our growing footprint. That original project still stands on Rustom Irani Marg within the Rustomjee Acres precinct. Rustomjee Regency is located at Rustomjee Irani Marg, Rustomjee Acres, Dahisar West, Mumbai. It is on this same ground, decades later, that the group has placed one of its more recent residential launches, Rustomjee Partum Reserve, giving Dahisar West a rare status among Rustomjee's markets: it is not just another suburb the developer has entered, but the locality where the company's own history began.
Rustomjee Partum Reserve, developed by Partum Realtors Private Limited, an entity of the Rustomjee Group, sits within the same Rustomjee Acres community as Regency. Rustomjee Reserve, developed by Partum Realtors Private Limited, officially launched on 19-Mar-2021 and expected to complete by 30-Dec-2025. The project is compact and vertically dense: a single tower rising to 35 floors with just 194 units on a 0.19-acre plot. Built for a special few, Partum Reserve by Rustomjee Dahisar West has single tower in this project, with 35 floors each and just 194 units to offer. Configurations run across 2 BHK and 3 BHK layouts, with 2 BHK units ranging from roughly 769 to 840 sq ft and 3 BHK homes at around 1,273 sq ft. The flat units on sale are available in various configurations like 2 BHK Flats at a minimum price of Rs 2.29 Cr and maximum price of Rs 2.46 Cr with Property Size ranging from 769 Sqft to 840 Sqft, 3 BHK flats at a price of Rs 3.79 Cr with Property size of 1273 Sqft. Construction uses MIVAN formwork technology, and the amenity list leans toward a rooftop-first design typical of Rustomjee's newer launches: a rooftop swimming pool, a landscaped forestscape deck, a cabana lounge at the pool level, a meditation studio, an open-to-sky gymnasium and pool-facing co-working spaces. Rooftop swimming pool, forests cape, Cabana lounge at the pool deck, residents lounge, mediation studio, and well-equipped fitness center... Pool View Co-Working Spaces... Efficacious Air Purification System. The project carries MahaRERA registration number P51800028564. Partum Reserve by Rustomjee is a RERA-registered project with registration number P51800028564. Within the broader Dahisar West market, it has drawn the most active resale and registration interest of any project tracked in the locality. Notably, Partum Reserve by Rustomjee is the most preferred choice for property buyers in Dahisar West as it recorded about 12 transactions, the highest in the area.
The Rustomjee Acres site is within a kilometre of Dahisar railway station on the Western Line and about 1.3 km from Borivali station, giving residents a short walk to two suburban rail options. 1 km to Dahisar Station and 1.3 km to Borivali Station. The immediate road network runs off Swami Vivekanand Road with direct access to the Western Express Highway. It is located in Dahisar West, Mumbai Western Suburbs and well connected by major road(s) like Swami Vivekanand Road, Western Express Highway. Metro connectivity has matured meaningfully around Dahisar in recent years. Metro Line 2A, running from Dahisar East to DN Nagar in Andheri, is now operational and has measurably cut commute times for the Dahisar-Borivali-Kandivali-Malad belt. Metro Line 2A (Dahisar East to DN Nagar, Andheri): Now operational, this line has cut commute times significantly for residents of the Dahisar–Borivali–Kandivali–Malad belt. Metro Line 7, linking Andheri East to Dahisar East, is also running and connects the corridor to Goregaon, Malad and Kandivali on the eastern side. Metro Line 7 (Andheri East to Dahisar East): Also operational and connecting Goregaon, Malad, Kandivali, and Borivali on the Eastern side with the Andheri–Jogeshwari–Vikhroli Link Road belt. A further line, Metro 9, extending from Dahisar to Mira Bhayandar, was over 85 percent complete and expected to open by late 2025. With nearly 85 percent of construction completed, Mumbai Metro Line 9 is likely to begin operations by the end of 2025. This vital corridor will link Dahisar East to Mira Bhayandar. The locality also sits at the edge of Sanjay Gandhi National Park, giving Rustomjee Acres residents a green buffer uncommon this close to a rail and highway junction. Dahisar West offers excellent growth potential due to upcoming metro connectivity, proximity to Sanjay Gandhi National Park, and strategic location connecting to major business districts.
Dahisar West's average weighted apartment price stands at roughly ₹25,400 per sq ft. The average weighted price of Apartments in Dahisar West is ₹ 25,400/- per square feet. Over the past year prices have moved up 3.7 percent, with five-year appreciation at 19.5 percent and ten-year appreciation at 31.9 percent, a steady rather than speculative curve that tracks the area's gradual infrastructure build-out rather than a single event-driven spike. In terms of price appreciation/depreciation, flat rates in Dahisar West, Mumbai changed by 3.7 % in the last 1 year, 4.7 % in the last 3 years, 19.5 % in the last 5 year and 31.9 % in the last 10 years. For a Rustomjee buyer, this matters because it places Partum Reserve in a locality where the developer's own legacy project, Regency, has already demonstrated multi-decade holding value, and where a newer, amenity-dense tower on the same plot of land benefits from all the road and rail upgrades that have landed in the interim.
Keystone Realtors is listed on the NSE and BSE, having completed its IPO in November 2022. Date of IPO 11/16/2022. The company's broader portfolio spans Prabhadevi, BKC Annex, Khar, Off Juhu Circle, Kandivali, Borivali, Virar and Thane, alongside townships, office complexes and retail developments. Their portfolio currently includes two very large townships, residential spaces, office complexes, retail developments, spaces for healthcare and education spread across Prabhadevi, BKC Annex, Khar, Off Juhu Circle, Kandivali, Borivali, Virar and Thane. Across its history the group has built out over 20 million sq ft of residential, township and commercial space. Keystone Realtors has established 20.22 million square feet of high-value and reasonable residential structures, townships, corporate parks, premium gated estates, iconic landmarks, retail spaces. More recently, the company's announced redevelopment pipeline in Mumbai carries an aggregate gross development value of roughly ₹15,496 crore. The five announced projects represent an aggregate GDV of ₹15,496 crore. Set against that scale, Dahisar West remains distinct for one reason a spreadsheet cannot capture: it is where the Rustomjee name first went up on a building, and where the group continues to build on the same street decades later.