He built the Upper Gate of the house of the LORD, and he built extensively on the wall of Ophel.
2 Chronicles 27:3
Surrounding context
27:2 And he did what was right in the sight of the LORD, according to all that his father Uzziah had done (although he did not enter the temple of the LORD). But still the people acted corruptly.
27:3 He built the Upper Gate of the house of the LORD, and he built extensively on the wall of Ophel.
27:4 Moreover he built cities in the mountains of Judah, and in the forests he built fortresses and towers.