Whetstone Development Advisors
Private case studies

The deals behind over five decades.

These walk through live and completed ground-up projects — the underwriting, the judgment calls, and the outcomes, including the ones where the right move was not to build. They are kept private because they carry real numbers. Enter a professional email to unlock the full library.

Multifamily · Southern California

A 34-unit duplex community, entitlement to rent-up

How a small-lot duplex strategy was underwritten, financed, and carried to completion in a tightening market.

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Land · Phoenix metro

When a permit-ready parcel was worth more unbuilt than built

The economics that turned a defective partner exit into a clean disposition — and why the strongest move was not to pour a single footing.

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Small-lot subdivision · Coastal San Diego

Four detached homes under SB-driven zoning

Reading a parcel's true yield under new small-lot pathways — and the feasibility flags that decided whether it was worth pursuing.

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Acquisition · Arizona

A 16-unit acquisition structured to pencil from day one

Underwriting and disclosure on a wholesale multifamily buy — and the LOI terms that protected the developer before close.

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One professional email. No spam — occasional field notes from a developer who has delivered 3,835 homes.