Parcel Maps in Orinda, CA

Orinda's semi-rural pattern of large lots along winding roads is exactly the setting where a parcel map — the Subdivision Map Act procedure for creating four or fewer lots — makes sense. A one-plus-acre parcel from a mid-century subdivision can often support a second homesite. But the town lends its name to the Orinda Formation, the weak siltstone and claystone that hosts slow-moving landslides across these hills, and many existing lots sit on cut slopes graded in the 1950s and 60s. The City of Orinda will scrutinize any tentative parcel map on sloping ground, and a geotechnical report is a realistic expectation for most splits, not an exception. We therefore lead with feasibility: confirming the zoning district's minimum lot area, width, and access standards, and flagging slope and landslide mapping before a client invests in full tentative map engineering.

The process runs tentative map, then conditions of approval, then final parcel map — and in Orinda the final map records with the Contra Costa County Recorder after checking by the County Surveyor. Along the way we resolve the boundary itself, which on older Orinda acreage is rarely trivial: long lines through oak woodland, monuments buried under decades of duff, and fences that follow convenience rather than the deed. Where the goal is not more lots but better lines — a driveway that crosses the neighbor's corner, a septic field straddling a boundary — a lot line adjustment is faster and cheaper than a subdivision, and we process those through the same county recordation path. SB 9 urban lot splits are also part of the conversation now, though Orinda's hazard mapping and the statute's exclusions mean eligibility must be verified parcel by parcel rather than assumed.

Every map we file rests on a Trimble terrestrial laser scan of the site. Hillside splits need boundary and topography together — building envelopes, driveway grades, cut-slope faces — and TLS lets us deliver both from one mobilization, with a point cloud the geotechnical and civil engineers work from directly instead of ordering repeat site visits.