Embrace subletting in California! Know your rights, follow guidelines, and have a solid sublease agreement.You can, but it's not a good idea. Most leases prohibit subletting, or only allow it with permission. Do not renew the lease. Discover how to sublease an apartment with our 4step guide. Get tips on finding a subtenant, drafting agreements, and more. Have you guys ever sublet an apartment for the summer without your landlord knowing ? It states in my lease that I cannot do so. California law requires tenants to seek explicit, written permission from their landlords to sublet if it is not already allowed in the lease.