Twin Lakes Management Company

Houseboat Owner Information

House Boat on full lake
Houseboat on Lake McClure


General Information:

Boatyard & Mooring Service Rates & Fees Effective July 22, 2019 (PDF) 

Regular weekly mobile pump-outs will cease in October, 2020.  We will continue to offer mobile pump-outs throughout the off-season (November through March) one day a month, during the last week of the month, weather permitting, with a maximum of 10 boats each month.  The Barrett Cove Marina pump-out station will continue to be available at your convenience seven days a week.  If you need assistance with a Marina pump-out, Twin Lakes Management Company crewmen are available Monday-Friday at either 8:00 a.m. or 2:00 p.m.  Please contact Jim Kayser at 209-354-2951 at least 24 hours in advance to schedule one.

Hitch Configuration (PDF)

Current Houseboat Policies (PDF)

Mooring Agreement (PDF)

Boatyard Scope of Work (PDF)

Boatyard Services Contract (PDF)

Harbors and Navigation Code (PDF)

Barrett Cove Marina Hours

Marina is closed for the winter season and re-open on or about April 2, 2021.


New Barge Naming Contest  -  Winner is Brett Surdich from Franklin Yard!

The name will be the M.V. Dos Lagos.  Congratulations, Brett!


Contact Telephone Numbers:

Pump-out Requests, & Slip Rentals - Jim Kayser - 209-354-2951

Mooring Questions - Vic Moreno - 209-354-2945

Invoice/Statement Payments - Jim Kayser - 209-354-2951

Boatyard - Todd Catt - 209-354-2958

Barrett Cove Marina - Steve Marquette - 209-378-2435 (only during season - April through September)