Property analytics for Bali: numbers, not brochures.

The Bali property brochure typically shows: a photogenic view, a headline price, a gross occupancy yield, and a marketing-grade narrative about the region. None of those four items is the trade. The trade is the title structure underneath, the recurring cost stack the brochure omits, the currency drag the brochure ignores, and the exit liquidity the brochure assumes.

The analytics layer reads the same villa as a balance-sheet artifact:

• Title structure. Hak Pakai vs Hak Sewa vs PT PMA vs (illegal) nominee. Each carries different risk and different decay math. See the four pathways breakdown.
• Fee stack. Closing layer, annual layer, operating layer. The full cost-line catalogue.
• Regional reality. Canggu saturation vs Seminyak maturity vs Ubud shoulder vs Uluwatu upper-tier — the four operating realities.
• Net yield after currency. Gross is the marketing; net after fee stack and currency translation is the trade. The yield walkout.

1. What is the title structure, registered or contractual? Pull the BPN certificate; do not rely on agent photocopies.
2. What does the renewal clause actually say? Three failure modes, one survives. See the leasehold guide.
3. What is the full annual operating cost? Staffing, banjar, IPB, pool, garden, security, insurance, repairs. 8–14% of value typical.
4. What is the regional supply pipeline over the hold period? Future ADR compression eats the model.
5. What does the exit look like at year 5, 10, 15? If the answer requires perfect conditions, the model is fragile.

None of the five is shown on the brochure. All five determine whether the trade closes the math on a 25-year horizon. Skipping any one is not underwriting; it is hoping.

The Bali villa data layer is fragmented. There is no single MLS, no centralised transaction database, no unified yield reporting. Serious underwriting pulls from:

• Listing scrapes across the major Bali agency platforms — for asking-price comparables, time-on-market signals, and supply-pipeline visibility.
• Booking-platform occupancy data — Airbnb / Booking.com scrapes for ADR ranges, occupancy patterns, and seasonal variance by region.
• BPN title-office records — for parcel boundary verification, encumbrance checks, and zoning classification.
• Notaris-office contract registries — for leasehold-encumbrance verification on existing assets.
• On-the-ground operator interviews — for actual fee-stack levels, staffing model norms, and operating-permit reality by region.

The agent quotes a single headline number. The analyst reconciles five sources to derive whether that number is plausible. The disagreement between sources is itself informative; consensus on a number is signal, headline-only is noise. The Thailand analytics framework ports identically; different jurisdiction, same multi-source reconciliation logic.

The agent is paid on closing. The agent’s incentive aligns with the deal happening today, regardless of whether the deal underwrites cleanly. The analyst is paid for the work product. The analyst’s incentive aligns with the buyer’s long-term outcome, regardless of whether the specific deal closes.

These are different jobs and they should not be performed by the same person. A foreign buyer who hires a single counterparty to source, analyse, negotiate, and close their Bali villa is hiring an agent and calling it advice. The cleaner structure: pay flat fees to independent professionals (analyst, notaris, due-diligence advisor) and let the agent be honest about their commission role.

The parallel reads in the Thailand market sit at why I won’t be your buyer’s agent and research vs real estate agent. Same structural critique, different country.