Reiner Pope Of MatX Signs Lease For 43466 Square Foot Office In Mountain View
490 East Middlefield Road
Building Size
43,466 SF
Asset Type
Office
Closing
Feb 23, 2026
AI
The property asset involved in this transaction is a 43,466-square-foot office building located at 490 East Middlefield Road in Mountain View. The lease was signed as part of a direct agreement by MatX to occupy the entire building, which was previously leased by autonomous vehicle company Waymo.
Summary of transaction details:
- Property Type: Office
- Transaction Amount: Not specified
- Address: 490 East Middlefield Road
- Market: Mountain View
- Tenant: Reiner Pope - MatX
- Former Occupant: Waymo
- Square Footage: 43,466
Reiner Pope represents MatX in this transaction. The lease is notable for being one of the largest AI-related office leases in the fourth quarter on the South Peninsula, aligning with MatX’s growth plans in semiconductor technology development.
Players
Mountain View Office Market Snapshot
Boundary boundary · Office · Lease transactions
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Purchase Price
Annual NOI
Loan Amount
Interest Rate (%)
Loan Term (yrs)
Down Payment (%)
Cap Rate
5.80%
Cash-on-Cash
-1.66%
Monthly Payment
$14,164
Annual Debt Svc
$169,964
Annual Cash Flow
$-11,334
DSCR
0.93