Do you think the the Realty Income Corp (O) a good REITs for dividend income investment?

Realty Income Corp is one of the more respected US REITs with a solid track record, monthly dividend and a strong portfolio. However, US stocks are subjected to a withholding tax on dividends of 30%. This would mean that the 4.69% dividend yield (as of writing) would be cut to 3.283% (which admittedly isn't bad, but there might be better options). If we're looking at REITs, I do think the SGX has many solid REITs with consistent performances, increasing dividends and great portfolios. As such, I would recommend going for SGX REITs instead as they are not subjected to 30% tax.

With that said, if you do already have a well-diversified REIT portfolio, adding a strong REIT like O will not hurt your portfolio and would help to diversify it a little as well.