91108San Marino, CA
Prospecting data for 91108: San Marino, CA
Zip 91108 in San Marino, California has about 1,400 homeowners. About 420 have a connected mobile phone and 200 of those are clear of the National Do Not Call Registry.
Absentee owners 91108
Data as of 2026-09
- Absentee owners240
- Mailable address95%220
- Connected mobile6%under 100
- Email on file7%under 100
- Mobile and DNC clear2%under 100
Rounded floors, not promises.
| Population | 13,400 |
|---|---|
| Housing units | 5,120 |
| Owner occupied | 86% of occupied homes |
| Renter occupied | 14% of occupied homes |
| Median household income | $166,000 |
| Median age | 47.4 |
| Built before 1970 | 91% of homes |
| Built 2000 or later | 1% of homes |
| Median mortgage payment | $4,000 a month |
| Time zone | PST |
| Area code | 626 |
Census figures are rounded ACS 5-year estimates for the zip code tabulation area.
What this means for each channel
Direct mail reaches almost everyone: 95% of 91108 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any San Marino campaign.
Calling and texting reach about 30% with a connected mobile, but only 14% once you remove numbers on the National Do Not Call Registry. Texting a cold list also needs prior express written consent under the TCPA, so the DNC-clear figure is a calling figure, not a texting figure. See cold calling laws by state.
Email reaches about 37%. Cold email to consumers is legal under CAN-SPAM with an opt-out and a physical address, but deliverability on purchased consumer email is poor; treat it as a supporting touch.
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