What does the 2026 office-to-residential playbook actually require, and how should recent comps be read without mixing true conversions, policy-enabled site repricing, and ordinary land sales into one bucket?

Synthesized three source notes:

1. Source: CBRE Weekly Take — This Is How We Do It: The Playbook for Office-to-Residential Conversions
2. Source: Valoro Obtains Discounted Miami Offices, Eyes Redevelopment
3. Source: LIC Parcel Trades to Developer at Full Price — 28-04 41st Ave, Long Island City

Added the Bank of Italy San Jose conversion financing source as a fourth comp after the initial page build.

Also reviewed Office Conversion Mechanics and Economics 2026 and Adaptive Reuse of Obsolete Office so this page could work as a tighter companion note focused on playbook rules and benchmark categories rather than repeating the broader conversion branch.

The 2026 office-to-residential playbook still rests on four hard requirements:

• basis reset
• policy or incentive support
• building-specific feasibility
• fast execution

The recent comps matter because they show that not every "conversion" headline is the same trade:

• 25 Water Street is the practitioner rulebook for true office-to-residential conversion.
• Valoro Miami is policy-enabled site repricing where density upside matters more than the existing office improvement.
• LIC is not a conversion comp at all; it is an alternative development-land benchmark that tells you what an urban housing site costs without an office reuse problem.

The other relevant categories live outside this tighter page: district reinvention belongs to campus-scale mixed-use repositioning, distressed-basis hold belongs to low-basis office cash-flow trades, and unresolved optionality belongs to assets where the future use has not been proved. The conversion screen should reject most distressed office before it reaches a pro forma.

The CBRE / Brian Steinwurtzel source remains the clearest practitioner guide in the set. The core lessons are simple and still hard:

• if the acquisition basis is wrong, the deal does not work
• incentives are often decisive, not merely helpful
• building bones cannot be screened by rule of thumb alone
• execution speed is part of underwriting, not a post-close nice-to-have

That is the right starting point for reading any proposed office conversion. Physical filters matter, but they are downstream of pricing, policy, and actual building geometry.

Valoro's $19 million acquisition in Edgewater is relevant because it shows what happens when an obsolete or underperforming office site gains a much larger residential future through Florida's Live Local Act.

The important point is that the thesis is not really about preserving the office building. It is about controlling a site with large residential density potential in a strong urban node. The office basis matters, but only as the entry point to a bigger land-repricing story.

That makes Valoro a useful comp, but a different kind of comp. It belongs in the conversion branch because policy is turning office land into residential land. It should not be mistaken for a straightforward "convert this exact office box into apartments" template.

The Long Island City sale is the cleanest caution in the set. It helps answer a different question: what does transit-proximate residential development land cost in an outer-borough New York market that still clears competitively?

That is highly useful for comparison, because office-to-residential only makes sense if the conversion basis beats or competes with alternative housing-delivery paths. But LIC itself is not evidence that office conversion works. It is evidence that development-ready urban land still commands a premium.

This distinction matters for underwriting discipline. If a would-be office conversion starts looking more expensive than simply acquiring development land in a strong housing market, the conversion thesis weakens quickly.

The comp set is best read as three separate benchmark categories:

25 Water Street is the real conversion rulebook: basis, incentives, bones, and speed. The Bank of Italy building in San Jose adds a smaller historic-downtown West Coast comp: a reported $74.1 million financing for converting a 1926-vintage, 13-story office tower into roughly 126,000 square feet of mixed-use residential / commercial space with 109 market-rate units. It is useful as a selective conversion comp, not proof that generic Silicon Valley office stock is broadly convertible. See Source: San Jose's Bank of Italy Building Set for Residential Conversion.

Valoro shows how regulation can turn an office site into a residential land play even when the existing office improvement is not itself the long-term value.

LIC shows what a competitive urban housing site costs when you skip the office-conversion complexity entirely.

Use Office Conversion Mechanics and Economics 2026 for district reinvention and unresolved optionality, and Distressed Office Price Discovery 2026 for distressed-basis holds. This page should stay strict: a distressed office acquisition is not an office-to-residential comp unless the physical, policy, cost, and timing tests are actually met.

The practitioner criteria are still severe enough that most office buildings should fail the screen.

Valoro is the reminder that entitlement and density often do more work than the physical conversion story.

LIC-style land comps matter because they test whether conversion is actually the cheapest or best route to the same end use.

• 25 Water Street still lacks publicly disclosed acquisition-basis and per-unit cost detail in this source set.
• Valoro's final unit program, phasing, and construction assumptions remain undisclosed.
• The LIC source does not describe Jade Century's eventual program or schedule.
• Broader 2026 office-to-residential filing and approval volume is still missing from the branch.
• The June 2026 YIMBY Manhattan conversion roundup helps with pipeline visibility but not normalized economics. It reports ten active or planned Manhattan conversions totaling nearly 3,000 units, including 77 Water, 80 Pine, 355 Lexington, 300 Second Avenue, 675 Third Avenue, and 1740 Broadway. Use it as a watchlist source, not a proof set for conversion feasibility or returns. See Source: YIMBY Manhattan Office-to-Residential Conversions 3000 Units 2026.

• Source: CBRE Weekly Take — This Is How We Do It: The Playbook for Office-to-Residential Conversions — CBRE.
• Source: Valoro Obtains Discounted Miami Offices, Eyes Redevelopment — Connect CRE.
• Source: LIC Parcel Trades to Developer at Full Price — 28-04 41st Ave, Long Island City — Connect CRE.
• Source: YIMBY Manhattan Office-to-Residential Conversions 3000 Units 2026

• Analyses Hub
• Office Conversion Mechanics and Economics 2026
• Adaptive Reuse of Obsolete Office
• Distressed Office Price Discovery 2026
• Office Hub
• Miami and South Florida
• New York