The Hidden Housing Subsidy: $285M Off the Tax Rolls

The mechanism: RCW 84.36.560

Washington's nonprofit affordable-housing property-tax exemption (RCW 84.36.560) allows a housing nonprofit or housing authority that acquires residential property to apply for a full property-tax exemption. Unlike a levy or a bond, this exemption requires no vote and has no dollar cap. It takes effect automatically when the assessor grants it — usually the year after acquisition. The assessed value remains on the assessor's rolls as a non-taxable entry, but the taxable base effectively shrinks. Every other property owner in the affected tax districts makes up the difference through their own tax bill.

The exemption is legal. The mechanism is well-understood by assessors, housing authorities, and nonprofits. What is absent is any public accounting of the cumulative cost. The City of Bellingham, Bellingham Housing Authority, and the relevant nonprofits have never jointly reported a figure for total foregone tax as a line-item subsidy. It does not appear in any budget. It has never been the subject of a council agenda item. No voter has been asked to approve or reject it.

The Evergreen Ridge case study

Parcel 3803174640310000 — 3451 Woburn St, Bellingham — is the clearest single example. The 145-unit complex was privately owned and fully taxed for 15 years before Mercy Housing Northwest acquired it in late 2021.

In the four years since the exemption took effect, the property's assessed value has risen to $21.2M — one of the most valuable residential parcels in Bellingham. The foregone annual tax at today's ~$9/$1,000 Whatcom County composite rate is roughly $190,000. Over the four years: approximately $720,000 in property tax that would have been collected from a private owner has instead been absorbed by other taxpayers — with no public record of this transfer.

The 2015 BHA cluster

The Evergreen Ridge case is recent and unusually clean. The larger story is a cluster of 10+ Bellingham Housing Authority parcels that transitioned to exempt status in 2015 alone, totaling approximately $130M in assessed value. Many of these properties had been taxable under prior private or partnership ownership for years. Their simultaneous transition suggests a coordinated acquisition program — likely funded by the 2012 voter-approved Bellingham Affordable Housing Levy and/or federal HUD pass-through grants in the 2014–2015 window.

At today's assessed values, this 2015 cohort alone generates approximately $1.17M/year in foregone property tax — compounding for a decade to roughly $10–12M cumulative.

The 15 largest hidden subsidies in Whatcom County

Below are the 15 currently-exempt parcels with the highest assessed value that were previously taxable. Together they account for $161M of the $285.5M total — more than half the subsidy concentrated in 15 properties.

What the $2.57M/year actually means

The ~$9/$1,000 composite rate used to estimate foregone tax is the blended Whatcom County rate across all taxing districts (city, county, school, fire, EMS, library, port, hospital). The actual impact is distributed across all those districts proportionally — meaning BHA's exempt portfolio effectively reduces the budgets of Bellingham schools, the fire district, the library, and Whatcom County government, not just the City of Bellingham General Fund.

$2.57M/year is not an abstract number. It is:

• Larger than the City of Bellingham's entire Teen Court program budget
• Comparable to several mid-size General Fund department line items
• Roughly 10% of the annual Affordable Housing Levy collections that partly funded the acquisitions in the first place

What this is NOT

• Not a takedown of affordable housing: The underlying policy — exempting nonprofit affordable housing from property tax — is voter-supported through the levy programs that funded many of these acquisitions.
• Not a legal violation: RCW 84.36.560 exists. The Whatcom County Assessor is applying it correctly.
• Not a claim that housing nonprofits are doing anything wrong: BHA and Mercy Housing NW are operating within the law.

What this IS

• A transparency gap: The cost of this subsidy is not on any public ledger. There is no annual disclosure of total foregone property tax attributable to RCW 84.36.560 exemptions.
• An unbudgeted recurring expense: Because it is a non-collection rather than an appropriation, it never goes through a budget process. The scale has grown for a decade without deliberation.
• A redistribution without a vote: Every Whatcom County property owner whose tax district includes these parcels is paying a slightly higher rate to make up for the exempt base. They are not told this is happening or why.
• A compounding problem: As property values rise, the foregone tax grows automatically. The Evergreen Ridge parcel at $21M today would generate $190K/year in taxes under private ownership; at the county's historical 5% appreciation rate it could reach $250K/year by 2030 — all of it invisible to the public budget process.

1. Bellingham Housing Authority 2014–2016 acquisition log: For each property acquired during that period — address, parcel number, acquisition date, purchase price, funding source (levy, HUD grant, other), and the date the RCW 84.36.560 exemption was applied for and granted.
2. RCW 84.36.560 exemption applications filed with the Whatcom County Assessor, 2010–2025: All applications from housing nonprofits and housing authorities for Whatcom County parcels — applicant name, parcel number, assessed value at time of application, date granted.
3. Mercy Housing Northwest acquisition documentation for Bellingham properties: For parcel 3803174640310000 (Evergreen Ridge) and parcel 3803303751280000 (Eleanor Apartments) — acquisition date, purchase price, funding source, and any City of Bellingham or BHA involvement in the transaction.
4. Any City of Bellingham or BHA staff analysis of property-tax base impact from affordable-housing acquisitions, 2010–present: If any internal memo, budget note, or finance department analysis quantifies the foregone tax from the RCW 84.36.560 exemptions, it would be responsive to this request.

This investigation draws on the tax_owner_history table in Real Record's Azure SQL database — 2.36 million rows covering 21 years (2005–2025) of Whatcom County Assessor parcel ownership, assessed value, and taxable value data, sourced from the Assessor's annual MDB exports.

The 93-parcel finding uses a three-condition query: (1) current owner name matches housing-nonprofit / housing-authority patterns (Bellingham Housing Authority, Whatcom County Housing Authority, Mercy Housing, Catholic Community Services, and similar); (2) current year taxable AV = 0 with total AV > 0 (currently exempt with assessed value); (3) any prior year with taxable AV > 0 (was previously on the tax rolls). The query is reproducible against the tax_owner_history table.

The ~$9/$1,000 composite rate is the estimated blended all-district rate for Whatcom County parcels in Bellingham-area tax code areas, derived from the Whatcom County Assessor's annual levy rate schedules. The exact foregone-tax figure for any individual parcel depends on its specific tax code area (TCA) and the rates levied in that area; $2.57M/year is a county-wide aggregate estimate, not a parcel-level accounting.

The "2015 cluster" characterization is based on the concentration of last_taxed_year = 2015 values in the 93-parcel set; the connection to the 2012 Affordable Housing Levy is inferential and has not been confirmed via acquisition records. A public records request to BHA would confirm or refute the funding source.

The Evergreen Ridge case study is based on the parcel history for geo_id 3803174640310000, supplemented by the Whatcom Assessor and Treasurer PDF supplied to Real Record in May 2026. Year-by-year values come from the assessor's records as reported in tax_owner_history.