Market Comparable Analysis

A metro-wide cap rate average is close to useless for pricing a specific exchange candidate, since downtown office, close-in industrial, and Washington County flex product trade on entirely different cap rate bands driven by different tenant demand and capital availability. Comparable analysis works submarket by submarket, adjusting each comp for condition, tenancy, and financing before it informs an offer, rather than starting from a single blended number pulled from a market report.

Why Downtown Office Comps Mislead Right Now

Several years of remote-work-driven vacancy have pushed downtown Portland office cap rates wider, with some Class B towers trading at prices well under their pre-2020 replacement cost. An investor using a five-year-old downtown office comp to price a current identification candidate will systematically overvalue the asset, since the repricing has been steep enough that even a two-year-old sale comp can be stale. Current comps, not historical averages, are the only reliable input in this submarket, and even a current comp needs a note on occupancy and lease-up assumptions before it's used to justify an offer price.

Industrial Comps Move on Clear Height and Access as Much as Location

Two industrial buildings a mile apart in the Columbia Corridor can trade at meaningfully different price per square foot if one has 18-foot clear height with a single dock and the other has 28-foot clear height with multiple dock-high doors. Adjusting a comp set for these physical differences, rather than averaging every recent industrial sale in the corridor, is what separates a defensible price opinion from a rough guess based on address alone.

A Worked Comparison Across Two Submarkets

A downtown Portland office tower sold at a 6.8 percent cap rate in 2019 doesn't tell an investor much about a comparable building's value today, when comparable trades in the same submarket have moved closer to 9 to 10 percent, reflecting both wider capital markets pricing and softer in-place occupancy. By contrast, a Hillsboro flex building's cap rate has moved far less over the same period, since semiconductor-supplier tenant demand has kept occupancy and rent growth relatively stable. Applying a single metro-wide cap rate trend to both assets would understate the office repricing and overstate any softening in the flex submarket, which is exactly the kind of error a submarket-specific comp set is built to prevent.

Building a Defensible Comp Set

• Pull sale comps from the same submarket, not a metro-wide average, and no older than 12 to 18 months where possible.
• Separate lease comps by asset condition and clear height or finish quality before averaging rent per square foot.
• Adjust for assumed versus new financing, since debt terms materially affect the achievable purchase price and the resulting cap rate.
• Cross-check cap rate evidence against at least two independent sources, broker opinion and appraisal data where available, rather than relying on a single source alone.
• Document why each comp was included or excluded, not only the final list of ones used.

Comparing Across the Columbia River

A Clark County, Washington multifamily comp set generally runs on similar cap rate logic to Multnomah or Washington County, but local property tax assumptions and rent growth expectations differ enough that a straight cap-rate comparison across the river needs its own adjustment, not a direct substitution. Investors weighing a Vancouver acquisition against a Portland-area alternative should treat the two comp sets as related but distinct rather than interchangeable. Broker opinion in each market can also carry a home-market bias, so cross-checking a Vancouver broker's cap rate view against an independent Portland-area source, and vice versa, helps catch an optimistic estimate before it becomes the basis for an offer.

Common 1031 Exchange Questions

Why shouldn't I use a metro-wide average cap rate to price my replacement property?

Because downtown office, close-in industrial, and suburban flex product trade on meaningfully different cap rate bands driven by different tenant demand, financing availability, and physical characteristics; a metro average blends all of that into a misleading single number that can lead to a mispriced offer.

How current do sale comps need to be for a reliable analysis?

Ideally within 12 to 18 months, and even more recent in submarkets like downtown office that have repriced quickly; older comps risk understating or overstating current value depending on which direction the submarket has moved since the comp closed.

Does clear height really change industrial pricing that much?

Yes. Buildings in the same corridor with meaningfully different clear height, dock configuration, or truck access can trade at a noticeably different price per square foot, since those features directly affect the pool of tenants, and therefore lenders, who will accept the space.

Should I compare a Clark County property against Portland-area comps directly?

Treat them as related but separate comp sets; property tax assumptions and local rent growth expectations differ enough across the Columbia River that a direct cap-rate substitution can mislead without adjustment.

Who provides the final comparable analysis for my exchange decision?

This service organizes and documents comparable evidence to support your identification and offer decisions; final pricing and negotiation decisions remain yours, ideally in consultation with your broker and, where tax exposure is involved, your CPA. A broker working primarily in one submarket or state may unintentionally favor comps and assumptions from their home territory, which is why cross-checking a cap rate opinion against an independent source is worth the extra step.

Ready to organize the exchange file?