SEA · Market 19 of 25 · West · Data checked 2026-10-20
Seattle Colocation & High-Density kW Counter-Quote Desk
Send your power, space and redundancy spec. At least three Seattle facilities bid blind against it, and every quote comes back on one 36-month landed cost within one business day.
- Westin Building Exchange2001 Sixth Avenue, Seattle, WA 98121
- H5 Seattle1000 Denny Way, Seattle, WA 98109
Landed cost model
36-month Seattle colocation cost
Model the full contract before any sales call. Defaults come from this metro's published benchmarks; replace them with the numbers on your quote or renewal notice.
Rate: CBRE, North America Data Center Trends H1 2026 (Figures 1 and 2: H1 2026 Wholesale Primary and Secondary Market Fundamentals) (H1 2026), Quoted asking rental rates, USD per kW per month, for 250+ kW at N+1/Tier III requirements (wholesale). Ranges as published. Power: EIA industrial average, WA, July 2026 (preliminary). Cross-connects: Inflect, Colocation Pricing: What to Expect for Racks, Cabinets, and Cages in 2026.
Interconnection
Carrier hotels and exchanges in Seattle
Racks in or cross-connected to these buildings reach the most carriers and cloud on-ramps.
Carrier hotels and meet-me rooms
| Building | Address | Operator | Why it matters | |
|---|---|---|---|---|
| Westin Building Exchange (Digital Realty SEA10) | 2001 Sixth Avenue, Seattle, WA 98121 | Digital Realty | 34-story regional telecom hub with carrier-neutral meet-me rooms; hosts the Seattle Internet Exchange, and Equinix SE2 and DataBank SEA1 operate inside the building. | Source |
| H5 Seattle | 1000 Denny Way, Seattle, WA 98109 | H5 Data Centers | 293,000 SF carrier-neutral facility; H5 cites 40+ on-site carriers and networks and a 100G extension to the Seattle Internet Exchange. | Source |
Market snapshot
CBRE reported Seattle inventory of 155.8 MW in H2 2025 with vacancy down to 5.9% from 6.7% a year earlier; net absorption was 6.6 MW in 2025 and 3.5 MW was under construction, none preleased.
Operators
Who can bid in Seattle
Operators with a facility in the metro, and the deployments each facility is built for. We invite the ones that fit your spec.
| Operator | Example facility | Built for | |
|---|---|---|---|
| Digital Realty | SEA10 (Westin Building), 2001 Sixth Avenue, Seattle | Carrier-dense colocation from single cabinets to private suites, with meet-me room access. | Source |
| Equinix | SE2, 2001 Sixth Ave, Seattle | Peering and interconnection in the Westin Building via Equinix Internet Exchange and Fabric; about 36,382 sq ft of colocation space. | Source |
| DataBank | SEA2 SeaTac, 3311 South 120th Place, Tukwila | Larger suburban footprints: 28,240 IT sq ft, 3 MW critical IT load and 17 onsite carriers; DataBank SEA1 in the Westin Building covers small downtown deployments. | Source |
| H5 Data Centers | Seattle, 1000 Denny Way | Downtown colocation with 40+ carriers and direct connections to AWS and Microsoft Azure. | Source |
| Centersquare | Tukwila SEA1, Tukwila | Near-airport deployments: about 75,776 sq ft raised floor, 10 carrier-neutral providers and a 100% SLA on power, network and bandwidth. | Source |
Seattle colocation questions
Published wholesale asking rents in Seattle run $155 to $175 per kW per month for 250 kW and larger requirements (CBRE, North America Data Center Trends H1 2026 (Figures 1 and 2: H1 2026 Wholesale Primary and Secondary Market Fundamentals), H1 2026). Smaller cabinet deals usually price higher per kW, and power is often metered on top. Retail full racks generally run $900 to $2,000 per month (Inflect, 2026-04-01).
The main interconnection buildings are Westin Building Exchange (2001 Sixth Avenue, Seattle, WA 98121), H5 Seattle (1000 Denny Way, Seattle, WA 98109). Buildings with more networks on site mean shorter, cheaper cross-connects to the carriers and clouds you need.
The industrial electricity average is 7.51 cents/kWh (WA industrial). Facilities that bill power separately pass this through with their PUE on top, so ask each bidder for its billed PUE and power rate.
Providers bid blind: they see the technical spec only, never your name, email, phone or company, and never a file you upload. We introduce you only to the provider you pick. We ask at least three facilities to price your power, space and interconnection spec, put every quote on one 36-month landed cost, and reply within one business day.