September 3, 2026
Compare Issaquah Highlands to Squak Mountain on price per square foot and you'll walk away thinking you understand the trade-off. Highlands ran around $583 a square foot as of May 2026, the most recent neighborhood-level figure available, with buyers paying a premium for newer construction, trail access, and top-rated schools even while the rest of the market cooled. Slide down the hill into Squak Mountain or Olde Town and buyers who stayed flexible on neighborhood found homes 10 to 20 percent cheaper as of early summer 2026, with the same Issaquah School District boundary and a similar commute to I-90.
That comparison is true. It is also incomplete in a way that costs real money, and a Washington law that took effect this year changed exactly the part of the story that price-per-square-foot never captured.
Issaquah Highlands homes under Issaquah Highlands Community Association governance carry a median assessment of $495 a month, per HOA resale disclosure filings reviewed this spring, the same disclosures every seller in a governed community has to hand over under state condominium and common-interest law. That fee never appears in a price-per-square-foot chart. It shows up on a closing statement and then every month after that for as long as you own the house.
Run the math over a typical hold. At $495 a month, a Highlands owner pays roughly $5,940 a year that a Squak Mountain or Olde Town owner in a fee-free property simply does not. Over seven years, that's close to $42,000. Over ten, it's around $59,000. None of it shows up when you're eyeballing two listings side by side and noting that one costs 15 percent more than the other.
That doesn't mean the fee is a bad deal. Highlands assessments fund the parks, streetscapes, and common areas that make the neighborhood function as a planned community, and residents get a Blakely Hall community center, a fiber network, and an HOA-run benefits program most of the older neighborhoods never built. The point is narrower: the price tag and the true cost of ownership are two different numbers, and only one of them shows up on a listing sheet.
As of June 1, 2026, a 30-year fixed mortgage in this market runs 6.3 to 6.5 percent. On a $1.07 million purchase with 20 percent down, principal and interest alone comes to roughly $5,360 a month. Add property taxes at around 1 percent of assessed value annually, homeowners insurance, and utilities, and total carrying costs land in the $6,500 to $7,800 range before anyone mentions an HOA.
Put a Highlands assessment on top of that same purchase and the range shifts to roughly $7,000 to $8,300 a month. That's not a rounding error. It's the difference between a household needing gross income near $240,000 to comfortably qualify and one needing meaningfully more, depending on where in that range a specific address falls.
| Highlands-priced purchase | HOA-free purchase, same price band | |
|---|---|---|
| Principal and interest (6.3-6.5%, 20% down) | ~$5,360/mo | ~$5,360/mo |
| Taxes, insurance, utilities | $1,200-$1,800/mo | $1,200-$1,800/mo |
| HOA assessment | ~$495/mo | $0 |
| Approximate monthly total | $7,000-$8,300 | $6,500-$7,800 |
That table uses the same purchase price on both sides to isolate the one variable that price-per-square-foot ignores. In practice, the two neighborhoods rarely sell at the same price at all, which is where the second, less obvious friction shows up.
Here's where two pieces of real, current data appear to contradict each other, and the contradiction is the actual lesson. One read of the market, from early summer 2026, says buyers flexible on neighborhood can find homes 10 to 20 percent cheaper in Squak Mountain, Olde Town, or the Sycamore area compared to Highlands. Another read, pulling zip-code-level NWMLS data for 98027 refreshed in August 2026, puts the median sale price in that broader zip at $1.15 million, a figure that sits at or above many Highlands comps rather than 15 percent below them.
Both numbers are accurate. They're just not measuring the same thing. One describes buyer behavior inside a specific, narrowly drawn neighborhood boundary. The other averages every closing across a zip code that stretches well beyond the streets locals actually mean when they say Squak Mountain. Comps pulled from the wrong micro-market are consistently cited as the most common pricing mistake in this city, and this is exactly why. Issaquah doesn't have one housing market. It has at least three that don't behave the same way: the master-planned Highlands, the walkable historic core around Olde Town, and the view-driven hillside communities on Squak and Tiger Mountain where pricing runs on privacy and elevation rather than school-zone comps.
If you're comparing a specific address to a specific address, the zip-code median tells you almost nothing useful. If you're comparing lifestyle trade-offs at a neighborhood level, the citywide or zip-level number will mislead you every time.
For most of this decade, Washington's older homeowners associations, including the sub-neighborhood HOAs that sit inside the larger Issaquah Highlands Community Association, operated under whichever statute existed when they were formed. That patchwork meant an association created in the late 1990s could run its meetings and handle its books very differently from one created after 2018, even if both sat inside the same master-planned community.
That changed January 1, 2026. State lawmakers accelerated a set of governance and transparency provisions to apply to every common interest community in Washington regardless of formation date, a change that reaches more than 10,500 associations serving roughly 2.3 million residents statewide. For a buyer weighing a Highlands purchase against an HOA-free alternative, the practical effect is a handful of new, non-negotiable rights that didn't exist a year ago:
None of that changes what the assessment costs. It changes how much a buyer can actually verify about where that $495 a month goes before writing an offer. A year ago, a Highlands board could run its business with minimal owner visibility and stay within the law. Today it can't, and that shift is worth asking about directly when you're evaluating a governed property, not assuming it because the fee has always existed.
There's a second layer worth knowing if dues ever become a problem after closing. A companion law effective the same date expanded Washington's foreclosure mediation program to cover HOA and condo assessment liens, requiring a meet-and-confer process before an association can move toward foreclosure and capping late fees at $50 or 5 percent during that standstill period, with administrative fees limited to $10. It's a downside protection that simply didn't exist for most owners a year ago.
If you're cross-shopping Issaquah Highlands against Squak Mountain, Olde Town, or Talus, three things are worth doing before the price-per-square-foot number does your thinking for you. Ask for the association's current financial statement and meeting minutes rather than taking the assessment amount at face value. Confirm which specific streets a quoted median actually covers, since a zip-code figure and a neighborhood-level figure can tell opposite stories about the same market. And run the full monthly number, HOA included, against your budget rather than the purchase price alone.
Talus, sitting at the base of Tiger Mountain, is worth a look for buyers trying to split the difference. Copper Ridge townhomes there were trading in the mid-$900,000s as of early summer 2026, giving buyers newer construction and trail access without the full Highlands premium, though it's still worth confirming what that community's own assessment looks like before assuming it's lower.
Does every home in Issaquah Highlands carry the same HOA fee? No. Issaquah Highlands includes the overarching Community Association plus a number of supplemental neighborhood associations, and fees vary by which sub-neighborhood a property sits in. The $495 figure is the association-wide median, not a flat rate charged to every home.
Do Squak Mountain and Olde Town homes really have no HOA fees at all? Many do not, since most of the housing stock in these areas predates the master-planned community model and was built as individual lots rather than under a common association. Always confirm this on a per-property basis rather than assuming it based on neighborhood alone.
Does the January 2026 law mean HOA dues are going up? The law changes governance and transparency requirements, not the dues themselves. It gives owners more visibility into how assessments are set and spent, which is a different thing from the amount changing.
Two homes with the same square footage in Issaquah can carry two very different monthly realities once dues, financing, and the fine print of a zip code are accounted for. If you're trying to figure out what a specific address actually costs to own, not just to buy, Tom Covello can walk you through the numbers for the exact street you're considering, not the zip code average.
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