Walnut, Calif.-based Shea Homes L.P. has undergone a weakening in its credit profile due to a decline in EBITDA that S&P Global Ratings thinks will continue through 2020. We think the impacts of softer demand from key markets last year will be compounded by the negative effects from the COVID-19 pandemic this year. We are revising our outlook on Shea to negative from stable. At the same time, we are affirming our 'B+' issuer credit rating on the company and our 'BB-' issue-level rating on its senior unsecured notes. The negative outlook reflects our expectation that debt to EBITDA will edge above 5.0x in 2020 as weakening recent profit trends are further dampened by COVID-19. S&P Global Ratings revised its