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Keystone Avni offers residential plots in the heart of Chennai, Tamil Nadu. Spread across 11.5 acres and featuring 239 plots, the layout is thoughtfully designed to provide ample space, natural ventilation, and quality infrastructure. Plot sizes range from 539 sq. ft. to 2,564 sq. ft., with prices starting from Rs. 20.21 Lakhs to Rs. 96.15 Lakhs. Keystone Avni amenities offer a children’s play area, a basketball court, and a senior citizen gazebo. Located near schools, colleges, and hospitals, ensuring excellent connectivity without compromising tranquillity.
Land area & units: 11.5 acres| 239 plots
Landmark & Nearby hub: Near International Maritime Academy
Possession Date: July 2025
RERA: TN/2/Layout/1786/2025
Address: Jamin, Thirumazhisai, Korattur, Puduchatram, Chennai, Tamil Nadu 600124
Google Map: Keystone Avni location
Type | Area | Price |
Plot | 539 sq. ft. - 2,564 sq. ft. | On Request |
Personalised living: Keystone Avni offers a range of plot sizes, enabling buyers to design homes that reflect their individual lifestyle, preferences, and taste.
Affordable entry price: Keystone Avni’s price starts from Rs. 20.21 Lakhs, providing an accessible opportunity for first-time buyers and investors.
Built-in ready ownership: Plots at Keystone Avni are available for immediate possession, enabling buyers to commence construction at their convenience without any delays.
Keystone Avni amenities are designed for everyday comfort, relaxation, and community living.
Basketball Court
Badminton Court
Children’s Play Area
Senior Citizen Gazebo
Garden View
Park
Keystone Avni is located in Thirumazhisai, Chennai.Â
Thirumazhisai is a peaceful suburb in Chennai, renowned for its well-planned neighbourhoods, excellent schools, and convenient access to the city, making it an ideal destination for families seeking a balanced urban lifestyle.
Sriram Vidya Mandir CBSE School: 4 mins
Jai Hind Public School: 14 mins
International Maritime Academy: 3 mins
Prathyusha Engineering College: 10 mins
Sriram Engineering College: 12 mins
DSM Hospitals: 9 mins
Spec Hospital: 16 mins
Keystone Avni is a completed project, with possession having begun in July 2025.
Keystone Avni offers ready-to-build residential plots with excellent connectivity and future growth potential.
Ready to build plots with immediate possession.
Flexible design options to build as per personal needs.
Self-construction plot requires personal effort and additional building costs.
Fewer lifestyle amenities than high-rise gated communities.
The Real Estate (Regulation and Development) Act, 2016 is Act of the Parliament of India which seeks to protect buyers as well as help boost investments in the real estate industry. The Act came into force from 1 May 2016.

Tarapur is an industrial residential locality situated in the outer Mumbai Metropolitan Region near Boisar and Chinchani. The pin code of Tarapur is 401502. This neighbourhood houses many industrial workers and features the famous Tarapur Atomic Power Station. Residents frequently access Grant Government Medical College and JJ Hospital Mumbai for their major needs. Dahisar East Metro Station on Red Line 7 is the nearest metro station located 78 km away. Tarapur Road connects the area to Boisar Railway Station within a travel time of 15 minutes. The 2026 average property rate ranges from Rs. 3,200 to Rs. 4,800 per sq ft, dominated by compact apartments driven by manufacturing sector jobs.
| Locality | Property Price per sq ft* |
|---|---|
| Tarapur mumbai | Rs. 3,200 to Rs. 4,800 |
| Configuration | Average Rental Rate* |
|---|---|
| 1 BHK for rent | Rs. 5,500 to Rs. 7,500 |
| 2 BHK for rent | Rs. 8,000 to Rs. 10,500 |
| 3 BHK for rent | Rs. 11,000 to Rs. 14,000 |
Tarapur has emerged as a steady residential hub catering primarily to the industrial workforce of the Palghar region. Property values in this locality have seen a year-on-year appreciation of 4.5% due to steady industrial expansion. Buyer prices in this micro-market range from Rs. 3,200 to Rs. 4,800 per sq ft. The rental market is equally active, with monthly rents ranging from Rs. 5,500 to Rs. 14,000 depending on the apartment size. This price growth is supported by the upcoming bullet train station at Boisar. (* As of August 22, 2026)
Tarapur Atomic Power Station is a prominent landmark in Tarapur. Some more include:
Tarapur is well-connected through Tarapur Road and the following roads:
Dahisar East Metro Station on the Red Line 7 is the closest public transit option, located 78 km away. Some more include:
The nearest railway station and airport are Boisar Railway Station, which is located 6 km away, and others:
Tarapur is well-equipped with numerous top educational institutions, such as Grant Government Medical College and M.H. Saboo Siddik College of Engineering, along with:
Some reputed healthcare places near Tarapur include JJ Hospital Mumbai, and others:
You can access Ostwal Empire Mall and Chitralaya Shopping Centre easily from Tarapur mumbai. Some more include:
These localities are located around Tarapur:
Here are some of the major employment centres near Tarapur:
The popular landmarks within Tarapur are:


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Keystone Spaces operates in building premium residential apartments and approved plot developments. We aim to stay abreast with the changing trends and standards in the building industry as materials and processes continue to evolve. Keystone Spaces is run by a young management team with aspirations to make your dream home a comfortable living space. We adhere to the principles of design and the broader concepts of architecture, ensuring that you get a home which not only fulfills your needs in terms of architecture and economics, but also aids in being a strong and secure foundation for the future.
