| Topic | Source | Status |
|---|---|---|
| Business directory | Overture Maps Foundation places (release 2026-10-21.0, CDLA Permissive 2.0) and OpenStreetMap via Overpass (ODbL), filtered to the City of Yorba Linda boundary; 1,944 listings. Permanently-closed and low-confidence records are excluded. Real estate agents, brokerages and property managers are deliberately excluded (Aaron Zapata is the site's only real estate professional). Other escrow companies are excluded; Beacon Escrow, Inc. is listed using details from beaconescrow.com (checked Oct 27, 2026). Other mortgage brokers, lenders and loan officers are excluded; Crosswalk Mortgage, Inc. (NMLS #1752641) is listed using details from crosswalkmortgage.com (checked Oct 28, 2026). A few newer restaurants (Pizza Guys, Kimukatsu Express, SHO Handroll Bar, Sushi Mura) were added by hand from their own websites, news and public listings (checked Oct 28, 2026). | Live (snapshot Oct 2026) |
| Map points (parks, schools, churches, libraries, restaurants, police/fire) | OpenStreetMap and Overture Maps, same snapshot. | Live (snapshot) |
| Fire Hazard Severity Zones | CAL FIRE / OSFM ArcGIS feature services: fhsz24_5 (FHSZ for Real Estate Inspections) and FHSALRA25_v1_All (LRA 2025, map dated Mar 24, 2025). | Live (snapshot Oct 2026) |
| City boundary | OpenStreetMap administrative boundary relation for Yorba Linda. | Live (snapshot) |
| Housing market stats | Redfin Data Center housing market tracker (Yorba Linda and ZIPs 92886/92887, rolling 3-month windows), through Sep 2026, updated Oct 7, 2026. Data provided by Redfin, a national real estate brokerage. | Live (monthly file) |
| Utilities | City utility and waste pages; Yorba Linda Water District FAQ (checked Oct 27, 2026). | Hand-checked |
| Nixon Library, Library, Community Center, Police, Fire, Seniors | Official pages linked on each page; summaries are original. | Hand-checked; hours marked to verify |
| Events | Link-outs to official calendars. No City content mirrored. | Link-outs; verified-event list empty |
| News | Two hand-checked City News Flash items (headline, link, own summary). | Minimal; automated feed planned |
| New developments | Search-result snippets about public-record items. | To verify |
| School boundaries | Not mapped; links to PYLUSD lookup. | Placeholder |
| Restaurant openings and closures | Two-source rule; nothing verified yet. | Placeholder |
| Chamber of Commerce data | Member info courtesy of the Yorba Linda Chamber of Commerce. "(Chamber Member)" tags and links to members’ Chamber pages come from the Chamber’s public online directory (yorbalindachamber.us/directory), used with the permission of Chamber CEO Susan Wan-Ross. Matched by name, phone, website and address; re-synced with scripts/chamber_sync.py. Real estate, mortgage and escrow members are not listed (site exclusivity), except Aaron Zapata, Crosswalk Mortgage and Beacon Escrow, Inc. The Chamber logo is not used. | Live (synced Oct 28, 2026) |
| MLS stats and Aaron’s market report | Not connected. | Placeholder |
Member info courtesy of the Yorba Linda Chamber of Commerce. See the Yorba Linda Chamber of Commerce member directory and Best of Yorba Linda.
Disclaimers
- Yorba Linda Guide is independent. It is not operated or endorsed by the City of Yorba Linda, PYLUSD, OCSD, OCFA, the Yorba Linda Chamber of Commerce or any listed business.
- The City's website terms prohibit copying or mirroring its content without written permission. We link to City pages and write original summaries.
- Directory data comes from open datasets and can be wrong or stale. Business owners can claim, correct or remove listings.
- Fire hazard data is published by CAL FIRE/OSFM, which makes no warranty of accuracy. Not a legal or insurance determination.
- Market statistics are descriptive, not a valuation or advice. Not a listing site.
- This site does not rank schools or neighborhoods. Equal Housing Opportunity.