Opal Annex
A residential / group housing project by Buildcon Infra in Kalher, Thane.
Data as of Jul 2026, from this project's public MahaRERA filing. View on the MahaRERA portal ↗
Status & progress
Per MahaRERA record as of Jul 2026.
Project basics
As filed with MahaRERA — not analysis, just the record.
- Promoter
- Buildcon Infra · Partnership
- Project type
- Residential / Group Housing
- Land area
- 3,936 m² · Permissible built-up (FSI) 6,097 m²
- Total units
- 108 across 2 wings
- Estimated cost
- ₹18.7 Cr
- Land ownership
- Promoter is the landowner
- Parking
- 40 four-wheeler · 114 two-wheeler
- Held outside open sale
- 15 landowner/investor share
- Application date
- 01 Feb 2025
2 wings
Floors and unit counts as filed.
| Wing | Floors sanctioned | Total units |
|---|---|---|
| NA | 14 of 14 proposed | 93 |
| NA | 4 of 4 proposed | 15 |
Promoter & professionals
Names and registrations as declared — no background analysis.
- Architect
- Bhargav Suresh Joshi · STATE/R/2022/APL/01706
- Structural engineer
- Bahubali Tatyso Dhamane · T.P/STRU.ENGR/443
- Project bank
- G P PARSIK BANK
Where it sits
Kalher, Thane — 421302.
No active red flags
Absence of a flag reflects the record as filed, not an assessment of safety.
Opal Annex: common questions
Is Opal Annex RERA registered?
Yes. Opal Annex is registered with MahaRERA under registration number P51700079425, granted on 6 March 2025. As of July 2026, the registration is active.
What is the possession date of Opal Annex?
The developer has declared completion by June 2028 in its MahaRERA filing. The RERA completion date is the developer's legal commitment; the possession date in your agreement can differ, so check both.
Who is the builder of Opal Annex?
Opal Annex is developed by Buildcon Infra, the promoter named in its MahaRERA registration.
Where is Opal Annex located?
Opal Annex is in Kalher, Thane (PIN 421302), Maharashtra, as declared in its RERA registration.
How many units does Opal Annex have, and how many are sold?
Opal Annex has 108 units on its RERA registration. 28 were reported sold as of July 2026, leaving 80 unsold.
How much construction of Opal Annex is complete?
By the developer's own quarterly filing, 20% of the work is done, measured against the project's cost estimate.
Is there any litigation against Opal Annex?
No litigation is declared on Opal Annex's MahaRERA record as of July 2026. A clean record reflects what was filed, not a legal title check.
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