# The Costco Effect: What a Hilo Warehouse Could Mean for Jobs and Home Values

By Sarah Haas (@sarahhaas) · Published 2026-10-28

Canonical: https://voce.com/@sarahhaas/costco-effect-hilo-warehouse-mean-jobs-home-values-zrauga

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Costco hasn't signed a lease in Hilo yet — but the Department of Hawaiian Home Lands (DHHL) is in talks to make it the anchor tenant of a new 146-acre business park on Railroad Avenue, and the implications for East Hawaii's jobs and home values are worth watching closely. As a real estate agent on the Big Island, I've seen what big-box retail does to local markets, and the honest picture is more nuanced than the hype.

The proposed business park would fund the infrastructure for DHHL's Pana'ewa residential homestead project, its first residential development in East Hawaii in over 20 years ([Hawaii Tribune-Herald](https://www.hawaiitribune-herald.com/2026/10/25/hawaii-news/costco-eyed-for-dhhl-development-in-hilo)). That pairing — a new warehouse club beside a major new residential community — is exactly the kind of catalyst that changes a neighborhood's trajectory. But whether it lifts your home's value depends on where you live, how dense your area is, and what Costco actually anchors around it.

#### Key Takeaways

-   Costco is only in talks to anchor a DHHL business park on 146 acres along Railroad Avenue in Hilo — no lease is signed yet
-   The business park would fund infrastructure for the Pana'ewa homestead project, DHHL's first residential development in East Hawaii in more than two decades
-   East Hawaii's 109,000 residents between Puna and North Hilo currently have no Costco on their side of the island — only Kona does
-   Costco openings lift nearby home values most in high-density, high-income areas (up to 7.9% within 5 miles), with a smaller effect elsewhere
-   For investors, the real upside is proximity to the park and the accompanying residential growth, not a guaranteed jump in every home's price

## What exactly is being proposed in Hilo?

DHHL is planning a business park on approximately 146 acres along Railroad Avenue in Hilo, across from the existing commercial center where Home Depot is located ([Hawaii Tribune-Herald](https://www.hawaiitribune-herald.com/2026/10/25/hawaii-news/costco-eyed-for-dhhl-development-in-hilo)). A DHHL staff member confirmed Costco is one of the companies in conversation about serving as one of the park's anchor tenants, and the department has held preliminary talks with several potential anchors ([Hawaii News Now](https://www.hawaiinewsnow.com/2026/10/27/dhhl-talks-with-costco-about-potential-hilo-location)).

![A Costco warehouse store exterior](https://convex.voce.com/api/storage/a0040416-4086-4219-9f03-6abe0a64dfe7)

The numbers behind the location explain why the retailer wants in. Ann Mikkio, a consultant for DHHL, told the Hawaiian Homes Commission that the business park will serve East Hawaii, where roughly **109,000 people live between Puna and North Hilo** — more than all of Kauai County and about two-thirds of Maui County ([Hawaii Tribune-Herald](https://www.hawaiitribune-herald.com/2026/10/25/hawaii-news/costco-eyed-for-dhhl-development-in-hilo)). Currently the only Costco on the island is in Kona, on the west side, so East Hawaii residents must cross the island to reach one.

Critically, nothing is final. No agreements have been signed, and any lease would still need approval from the Hawaiian Homes Commission in a public meeting ([Hawaii News Now](https://www.hawaiinewsnow.com/2026/10/27/dhhl-talks-with-costco-about-potential-hilo-location)). That means the timeline is real but not set — and the property-value story should be read as an outlook, not a done deal.

## The job question: more than just checkout lanes

A warehouse club of Costco's scale typically brings hundreds of direct jobs, but the bigger story for Hilo is the mix: entry-level and management retail roles, plus the indirect service jobs — local contractors, delivery drivers, food vendors, and small-business suppliers — that fill the park's smaller lots. The DHHL market study explicitly notes that, under either scenario presented, **half or more of all lots would be leased at the 0.5- to three-acre size**, a size the consultant said is very accessible and popular with the local market and with trust beneficiaries ([Hawaii Tribune-Herald](https://www.hawaiitribune-herald.com/2026/10/25/hawaii-news/costco-eyed-for-dhhl-development-in-hilo)).

That small-business layer matters as much as the anchor itself. A Costco is a destination store — households drive in for gas, groceries, and bulk goods in one trip — so the retail traffic it draws supports the cafés, services, and shops around it. For East Hawaii, where residents currently cross the island to reach the Kona Costco, the local park keeps that spending on the east side. And because the business park exists specifically to fund the Pana'ewa homestead's infrastructure, the jobs are deliberately tied to building out a new residential community a few minutes away.

Here's the part investors should weigh honestly: retail construction jobs are temporary, and a single store doesn't transform a labor market on its own. The durable economic value comes from the surrounding development — the homes, the small businesses, the services — that the anchor helps pull in. That's the real return on Costco in Hilo.

## Will it actually raise property values?

The honest answer is: it depends on the neighborhood, and the research is more measured than the headlines. Silas Kwok of the Vancouver School of Economics studied Costco openings across the U.S. from 2002 to 2020 and found the openings **caused no significant changes in property values on average** — the effect showed up mainly in dense, high-income areas ([Realtor.com](https://www.realtor.com/news/trends/living-near-costco-home-value)).

Specifically, Costco openings caused a **7.9% increase in property values within five miles** in counties with above-average population density, and a 5.2% increase within five miles in counties with above-average household income, 2.5 years after the stores opened ([Realtor.com](https://www.realtor.com/news/trends/living-near-costco-home-value)). The mechanism isn't magic — wealthier households prefer Costco and are willing to pay for regular access to it, so the convenience premium shows up in price only where that demand already exists.

That's a critical caveat for Hilo, and it cuts both ways. East Hawaii's density and income profile don't match Brooklyn, where the research found the biggest bumps. But the proposed park isn't an isolated store: it sits beside a new residential homestead development, and the corridor around it holds about 109,000 people between Puna and North Hilo ([Hawaii Tribune-Herald](https://www.hawaiitribune-herald.com/2026/10/25/hawaii-news/costco-eyed-for-dhhl-development-in-hilo)) — a combination closer to the high-density scenario the data rewards. As one chief economist put it, the Costco effect is highly dependent on a neighborhood's pre-existing trajectory, and the store often confirms an area already on the rise rather than creating value from nothing ([Realtor.com](https://www.realtor.com/news/trends/living-near-costco-home-value)).

How does that translate to a specific property? The test is whether your area already has the demand profile the data rewards. The corridor the business park is built to serve holds roughly 109,000 people between Puna and North Hilo ([Hawaii Tribune-Herald](https://www.hawaiitribune-herald.com/2026/10/25/hawaii-news/costco-eyed-for-dhhl-development-in-hilo)), which moves an area closer to the high-density scenario where the research found up to a 7.9% lift within five miles ([Realtor.com](https://www.realtor.com/news/trends/living-near-costco-home-value)). But the flip side is just as important: on average, openings caused no significant change, so a thin-demand area near the site should not assume a bump. The variable that matters is density and income, not the store's sign.

## What this means for homeowners and investors

For homeowners near Railroad Avenue or the Pana'ewa site, the value lift is plausible but not automatic — the research ties the benefit to neighborhoods that already have the demand profile Costco rewards, so proximity alone isn't a guarantee. For investors, the stronger thesis is the package: the business park, the new residential development, and the small-lot service corridor working together, not the Costco sign in isolation.

The other side of the ledger matters for anyone buying on convenience. A high-traffic anchor brings weekend crowds, delivery trucks, and parking-lot lights, and those are the trade-offs buyers price in when they evaluate a nearby home ([Realtor.com](https://www.realtor.com/news/trends/living-near-costco-home-value)). The research shows the value benefit concentrates in dense, high-income areas where demand already runs strong — which is why a neighborhood that doesn't fit that profile should expect a smaller lift.

My honest advice as a Big Island agent: don't buy on the Costco headline. Buy on the density, the jobs, and the residential growth that surround it — those are what convert a rumor into a premium. If East Hawaii's trajectory keeps climbing, the park accelerates it; if it stalls, a single warehouse won't hold values up on its own. Watch the Hawaiian Homes Commission's public meetings — that's where the lease either becomes real or fades, and it's the clearest signal you'll get before the market prices it all in.