California Coverage · Orange County
Orange County base maps & site data for designers
The existing-conditions base map and pre-design site analysis that normally takes a half-day of GIS hunting and a site visit — for any OC address, from Newport’s bluffs to the Santa Ana foothills, in about a minute.
What Lekua resolves in Orange County
Every layer below is pulled live from Orange County’s own GIS and authoritative state sources the moment you enter an address — no manual tracing, no generic insets, every source cited.
OC Survey parcel boundary with APN, address, and lot area, with a statewide parcel fallback when the county host is down.
Fine 1–2 ft contours generated on-demand from the 1-meter USGS 3DEP elevation model, with the county’s live 2-ft vector contours as fallback.
OC Survey countywide building footprints, gap-filled with FEMA national structures for anything the county layer misses.
Zone code read live from city GIS where published — Santa Ana, Irvine (per-planning-area districts, lookup with citation), Huntington Beach — and Anaheim’s residential setback table (AMC 18.04.100 Table 4-I) encoded and code-cited; rings draw once the table passes independent review.
CAL FIRE FHSZ severity with Zone 0 / 1 / 2 defensible-space perimeters, plus OCFA’s fuel-modification note (up to 170 ft on slopes) flagged where it applies in the canyon and foothill WUI.
USDA SSURGO soil profile, historical rainfall, and modeled seasonal sun-hour heat maps for the parcel.
California natives matched to the site’s soil and microclimate, plus lawn-replacement rebate estimates — MWDOC’s regional program with Irvine Ranch Water District and Santa Ana on top.
Tuned for OC’s canyon and foothill fire interface
The Santa Ana foothills, the canyons, and the coastal hills sit in mapped fire-hazard severity zones, and OCFA’s fuel-modification requirements — up to 170 feet on slopes — shape planting on those parcels. Lekua draws the CAL FIRE Zone 0 / 1 / 2 perimeters, flags the OCFA fuel-mod condition, and filters the plant palette to what each zone allows.
- Zone 0 (0–5 ft ember-resistant), Zone 1 (5–30 ft), and Zone 2 (30–100 ft) perimeters drawn around the structures.
- OCFA fuel-modification note applied where slope and hazard zone trigger it — up to 170 ft.
- Every recommended plant carries a defensible-space zone rating, with flammability from Las Pilitas and UCANR / CAL FIRE-aligned lists.
Zoning setbacks, by jurisdiction
Setbacks in Orange Countyare set per town, not countywide. Lekua resolves the parcel’s jurisdiction and zone code and encodes each jurisdiction’s adopted setback table, citation and all. Setback rings are drawn only after a table passes independent panel review — until then the export carries the code-cited values with an explicit “unverified” advisory instead of lines we can’t stand behind.
A native palette, enriched beyond the plant list
Start from the Calscape native plant database — then get the research-backed traits Calscape alone doesn’t put at your fingertips, matched to the parcel’s exact soil, sun, rainfall, and microclimate. Hand a client a list that’s code-compliant, climate-appropriate, and built to perform.
Flammability and defensible-space zone suitability from Las Pilitas burn-time research and UCANR / CAL FIRE-aligned fire-safe lists — not just a name on a list.
Slow / moderate / fast growth plus mature height and spread, so spacing and time-to-fill are realistic from day one.
Calscape cultivation and longevity guidance, so the palette reads for how it performs over 10–20 years, not just at install.
WUCOLS-aligned water-use ratings (for the MWELO budget) and pollinator / bird support scores on every species.
Plant data: Calscape / CNPS, enriched with Las Pilitas burn-time research, UCANR & CAL FIRE-aligned fire-safe lists, and WUCOLS water-use ratings.
Water districts & rebates
Lawn-replacement rebate estimates are matched to the serving district: Municipal Water District of Orange County (SoCal Water$mart) · Irvine Ranch Water District · City of Santa Ana.
Orange County base map FAQ
Can I get a CAD base map for an Orange County parcel?
Yes. Enter any OC address and export a layered DXF (AutoCAD-compatible) with OC Survey property lines and building footprints, on-demand 1–2 ft contours, spot elevations, and the zoning determination — plus a designed PDF site report for the client.
What contour interval is available in Orange County?
Lekua generates fine 1–2 ft contours on-demand from the 1-meter USGS 3DEP elevation model, with Orange County’s live 2-ft vector contours as a fallback — hillside-grade relief for the foothill and canyon lots where it matters.
Does it include zoning setbacks for OC cities?
Zone codes are read live from city GIS where published (Santa Ana, Irvine, Huntington Beach), and Anaheim’s residential setback table (AMC 18.04.100 Table 4-I) is encoded with citations. Setback rings are drawn only after a table passes independent panel review; until then the export carries the code-cited values with an explicit “unverified” advisory and always labels the zone determination honestly.
How does it handle defensible space and OCFA fuel modification?
Lekua draws CAL FIRE Zone 0 / 1 / 2 defensible-space perimeters, flags OCFA’s fuel-modification requirement (up to 170 ft on slopes) where it applies, and tags every recommended native with the zones it’s suited to.
Is the data current and reliable enough for submittals?
Layers are pulled live from county GIS, USGS, and CAL FIRE at export time, and any encoded setback table cites its source with a date. Everything is labeled “for planning reference — not for construction.” Verify against the current code and a stamped survey before submittal.
Start with a Orange County address
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