Inclusion Criteria:  Currently experiencing homelessness Current diagnosis of hypertension SBP above 140mmHg or DBP above 90mmHg at most recent clinic visit English or Spanish speaking Currently presenting to Project Renewal shelter-clinics for medical care Connected to multidisciplinary social and health services at Project Renewal  Exclusion Criteria:  Pregnant or within 3 months post-partum Heart attack or stroke within previous 6 months History of aortic aneurysm Diagnosis of end-stage renal disease or currently on dialysis Inability to read or respond to SMS texts Any condition preventing participants from providing informed consent SBP >175mmHg or DBP >105mmHg unless medical provider determines patient has no symptoms suggesting a hypertensive emergency or urgency