By 1899 Weeks began to invest in real estate in Watsonville, and during his lifetime he accumulated a sizable amount of local property. In 1905, Weeks opened another branch office in San Francisco, at 251 Kearney Street, and he was in the city, staying at a hotel, when the 1906 earthquake hit. Fortunately he was unharmed. He was already busy designing numerous buildings along the California coast and Northern California during 1905, and the earthquake in the Bay Area increased his work load, as he designed and built replacements for many buildings damaged by the quake and the fires in the aftermath. Weeks' reputation grew because he built many of the Carnegie Libraries in Northern and Central California. However, he actually designed more school buildings than libraries. Local newspapers praised him for his safe and practical school designs. After 18 years in Watsonville, Weeks decided to move to Palo Alto in 1911, to be closer to his business in San Francisco and the Bay Area in general. He moved yet again in 1922 when he decided his family needed a larger and more spacious home. He designed and built a Spanish Colonial Revival-style house in Piedmont, California at a cost of $20,000. In 1924 Weeks took his son Harold as his business partner and renamed the business "Weeks and Weeks." The same year a new branch office was opened in Oakland, followed by another in San Jose in 1926. In 1928 Weeks' was one of the largest and oldest architectural firms in California. His staff included many architects, engineers, and other specialists. As the business grew, with the direction of Weeks and the company directors, the Weeks Securities Corporation was formed, with the goal of managing the organizing and financing of commercial building properties. Between 1930 and 1932, Weeks had to deal with many setbacks in his business dealings. In 1930 it was rumored that the Weeks Securities Corporation was $300,000 in debt, but the allegation was found to be incorrect. In 1931, after an investigation, the corporation's license to sell stock was suspended on the grounds that stockholders' money was being "misappropriated." Two employees, one of whom was married to Weeks' niece, left after things became "hot and heavy." In the fall of 1931, the state revoked Weeks' license as an architect after a contractor accused him of inflating four building contracts in the East Bay. The charges were