Apart from the duplicate listing for Kirby Grove, amazing list of "under construction." This makes 28 buildings and over 500 new skyscraper stories in Houston:
• 2929 Weslayan 39
• BHP Billiton Tower 30
• Hanover Post Oak 29
• 1111 Travis 23
• Astoria 25
• Energy Center IV 22
• Energy Center III 20
• SkyHouse River Oaks 25
• SkyHouse Houston 24
• Noble Energy Center 2 20
• 3737 Buffalo Speedway 18
• Samsung Tower 18
• Energy Tower IV 17
• Kirby Grove Tower 16
• The Sovereign 21
• 2229 San Felipe 18
• Kirby Grove at Levy Park 16 DUPE
• Azalea Court Tower 17
• Phillips 66 Headquarters Tower [2] 15
• Phillips 66 Headquarters Tower [1] 15
• Sheikh Zayed Bin Sultan Al Nahyan 12
• West Memorial Place Building 1 12
• Southwestern Energy Headquarters 10
• Hyatt Regency at Galleria 14
• Brazos Towers at Bayou Manor 14
• Hanover South Hampton Tower 2 12
• Hanover South Hampton Tower 1 12
• Towne Centre I 10
• Five Chasewood 10
It seems like the time to add the headstone for the Texas Tower is now, as it is just a memory like the rest of these:
• Sheraton Lincoln Hotel
• Houston Main Building
• Southwest Tower
• National Standard Building
• Shamrock Hotel
• Lamar Hotel
• Great Southern Life Insurance Building
• Electric Building
• Macy's Downtown
• YMCA Downtown
• Montagu Hotel
• Ben Milam Square
• Medical Arts Building
• Methodist Hospital Diagnostic Clinical Ctr
• Mayfair Hotel
• Anderson Mayfair Hotel
• Texaco Building Annex
• San Jacinto Building
• Jefferson Davis Hospital
• Crowne Plaza - Texas Medical Center
• Holiday Inn Hotel & Suites Galleria
• Veterans' Administration Hospital
• Travis Tower Garage
• Cenikor Building