FEBRUARY
8-10: Home Remodeling & Decorating Show, Orange County Fairgrounds, Costa Mesa
8-10: Desert Spring Home & Garden Show, Fantasy Springs Special Events Center, Indio
10: Rose Bowl Flea Market, Rose Bowl, Pasadena
22-24: Home Remodeling & Decorating Show, L.A. Convention Center, Los Angeles
22-24: Inland Empire Home & Garden Show, National Orange Show Events Center, San Bernardino
24: Meet the Designers Burbank Kitchen Tour, luncheon and designers panel followed by self-guided tour, hosted by the Burbank Temple Emanu El Sisterhood
29-March 1: San Diego Spring Home & Garden Show, Del Mar Fairgrounds
Weekly: The Home Depot in-store clinics: February clinics: Energy Efficient Doors and Windows, Tiling Floors and Walls, Fixing a Leaking Toilet, Installing a Bathroom Faucet. Do-it-Herself Workshop: The Smarter, Warmer Eco-Friendly Bathroom. Check for local days and times.
MARCH
1: Green Design for Your Home, class, 10 a.m. to 5:30 p.m., $145, UC Riverside Extension
9: Rose Bowl Flea Market, Rose Bowl, Pasadena
14: The 4 Women of Prefab, panel and book signing, 1:15 p.m., CA Boom Design Show, Barker Hanger, Santa Monica Airport
14: Pacific Palisades Home Tour, led by designers, in conjunction with CA Boom Design Show
14-16: CA Boom Design Show, Barker Hanger, Santa Monica Airport
14-16: Ventura Home & Garden Show, Seaside Park, Ventura County Fairgrounds, Ventura
15: West Los Angeles Home Tour, led by designers, in conjunction with CA Boom Design Show
15: Staging Your Home to Sell, class, 10 a.m. to 3 p.m., $60, UC Riverside Extension
16: Santa Monica and Venice Home Tour, led by designers, in conjunction with CA Boom Design Show
Weekly: The Home Depot in-store clinics: March clinics: Tiling Floors and Walls, Prepare Your Lawn for Spring, Installing a Retaining Wall, Installing Faucets and Sinks. Check for local days and times.
APRIL
11-13: Home Remodeling & Decorating Show, Pasadena Conference Center, Pasadena
13: Rose Bowl Flea Market, Rose Bowl, Pasadena
18-20: Pomona Spring Home & Garden Show, Fairplex L.A. County Fairgrounds, Pomona
19: Fourth Annual Historic Home Tour featuring the Homes of Mission Hills’ Historic District, San Diego
25-26: Alternative Building Materials & Design Expo, free admission, Santa Monica Civic Auditorium
25-27: Home Remodeling & Decorating Show, L.A. Convention Center, Los Angeles
27: Green Building Tours, hosted by the City of Santa Monica, in conjunction with the Alternative Building Materials & Design Expo
MAY
2-4: Home Remodeling & Decorating Show, Orange County Fairgrounds, Costa Mesa
3: 14th annual Venice Garden and Home Tour, Venice east of Lincoln Boulevard
3: Castles of Carlsbad Spring Home Tour, luncheon optional
3-4: Solar 2008, conference and expo, open-to-the public events include workshops, tours and exhibit hall, $5, Town and Country Resort & Convention Center, San Diego
11: Old Escondido Mothers Day Home Tour, five historic homes plus lemonade and cookies
11: Rose Bowl Flea Market, Rose Bowl, Pasadena
16-18: Riverside Home & Garden Show, Riverside Convention Center, Riverside
16-18: Spring Home & Garden Show, Saugus Speedway, Saugus
17: 16th annual Vintage Home Tour and Restoration Faire, Riverside
20-22: Green West Expo, L.A. Convention Center, Los Angeles
25: 13th annual Historic Highlands Home Tour, Pasadena

You forgot the Caboom Show in Santa Monica, March 14-16.
Excellent information, John. I added it to the calendar. Thanks a bunch!