# Contract addresses

This page provides address for Settlus smart contracts and [predeployed contracts](https://docs.optimism.io/stack/smart-contracts#layer-2-contracts-predeploys) offered by the OP Stack. 

### Settlus Mainnet

<table><thead><tr><th width="289">name</th><th>address</th></tr></thead><tbody><tr><td>TenantManagerProxy</td><td>0xec23818794e6Adc333f2e2142BFd32c385867F53</td></tr><tr><td>TenantManager(Implementation)</td><td>0x355273546b090e5194Bc5A396383579C9Cfc8E8c</td></tr></tbody></table>

### Settlus Sepolia Testnet&#x20;

<table><thead><tr><th width="289">name</th><th>address</th></tr></thead><tbody><tr><td>TenantManagerProxy</td><td>0x3600B7a97A35bb2B0Cb20E494FC2b4e579DECA3b</td></tr><tr><td>TenantManager(Implementation)</td><td>0x69Ca8479Dbd0A0cf5A511baC56f18AbD453d51FA</td></tr></tbody></table>

### [OP predeployed contracts](https://docs.optimism.io/stack/smart-contracts#layer-2-contracts-predeploys)

<table><thead><tr><th width="292">name</th><th width="470.54296875">address</th></tr></thead><tbody><tr><td>WETH9</td><td>0x4200000000000000000000000000000000000006</td></tr><tr><td>L2CrossDomainMessenger</td><td>0x4200000000000000000000000000000000000007</td></tr><tr><td>L2StandardBridge</td><td>0x4200000000000000000000000000000000000010</td></tr><tr><td>SequencerFeeVault</td><td>0x4200000000000000000000000000000000000011</td></tr><tr><td>OptimismMintableERC20Factory</td><td>0x4200000000000000000000000000000000000012</td></tr><tr><td>GasPriceOracle</td><td>0x420000000000000000000000000000000000000F</td></tr><tr><td>GovernanceToken</td><td>0x4200000000000000000000000000000000000042</td></tr><tr><td>L1Block</td><td>0x4200000000000000000000000000000000000015</td></tr><tr><td>L2ToL1MessagePasser</td><td>0x4200000000000000000000000000000000000016</td></tr><tr><td>L2ERC721Bridge</td><td>0x4200000000000000000000000000000000000014</td></tr><tr><td>OptimismMintableERC721</td><td>0x4200000000000000000000000000000000000017</td></tr><tr><td>ProxyAdmin</td><td>0x4200000000000000000000000000000000000018</td></tr><tr><td>BaseFeeVault</td><td>0x4200000000000000000000000000000000000019</td></tr><tr><td>L1FeeVault</td><td>0x420000000000000000000000000000000000001a</td></tr><tr><td>SchemaRegistry</td><td>0x4200000000000000000000000000000000000020</td></tr><tr><td>Ethereum Attestation Service</td><td>0x4200000000000000000000000000000000000021</td></tr><tr><td>BeaconBlockRoot</td><td>0x000F3df6D732807Ef1319fB7B8bB8522d0Beac02</td></tr></tbody></table>