C.A.R.'s September 2026 housing report, released October 19, 2026, puts the Unsold Inventory Index at 4.0 months in Los Angeles County, 3.0 in Orange, 4.4 in Riverside and 3.3 in San Diego. For an owner deciding how to prepare a home, the useful next step is to connect that market context with the property's actual condition, costs and available dates.
This September update focuses on county supply and a practical preparation plan. The framework below helps an owner organize evidence before committing to a sale timetable or evaluating a rental option.
What months of supply measures
C.A.R. describes the index as the months needed to sell the available supply at the current sales pace. The chart uses selected county rows from its existing-home report. County geography matters: Los Angeles County is a different unit from the broader Los Angeles metropolitan area.
Unsold Inventory Index: selected counties, September 2026
Data source: C.A.R. — September 2026 county inventory table
View exact values
| Period | Value |
|---|---|
| Los Angeles County | 4 months |
| Orange County | 3 months |
| Riverside County | 4.4 months |
| San Diego County | 3.3 months |
Riverside has the highest reading within this selection; Orange has the lowest. Each reading combines the supply being offered and the pace at which homes sell. A higher ratio can arise when the same inventory moves more slowly. The index alone cannot tell an owner which explanation applies to a particular neighborhood or home.
The comparison with August adds context:
| County | August 2026, months | September 2026, months |
|---|---|---|
| Los Angeles | 3.9 | 4.0 |
| Orange | 3.1 | 3.0 |
| Riverside | 4.0 | 4.4 |
| San Diego | 3.1 | 3.3 |
Three of these county readings increased while Orange edged lower. The selected bars should not be averaged into a Southern California index: a regional calculation needs the relevant underlying inventory and sales, including the counties omitted here. These figures also do not forecast a home's remaining time for sale, its rental vacancy or its achievable rent.
Give the property its own preparation calendar
Start with access and condition. Establish when the owner or current occupant will release the home, when it can be inspected and which work is necessary before it can be marketed in its intended condition. Identify dependencies: a photograph may need to wait for a repair, and an advertised availability date needs a credible handover plan.
Record a responsible person and a status for each task. A useful distinction is whether work has been identified, quoted, authorized or completed. Those stages support different promises. A contractor's estimate can inform planning; completion needs its own confirmation before the listing represents the finished condition.
Keep the review specific to the home. An established house with deferred maintenance and a ready-to-market house can sit in the same county while requiring very different preparation. Walkways, entry access, working fixtures and current photos provide observable information that a county supply ratio cannot supply.
Build the holding-cost view from actual records
List recurring obligations from the property's own documents: applicable financing payments, taxes, insurance, association charges, utilities and routine upkeep. Add proposed preparation work separately. Separate amounts already incurred, bills already committed and future amounts that still depend on a quote or a decision.
This makes uncertainty visible without inventing a monthly vacancy assumption from the chart. The relevant planning interval runs from the owner's actual availability and obligations to the next review or commitment. If the interval changes, update the budget using those dates and documented costs. Keep any future rent assumption identifiable as an estimate until supported by an executed lease.
Compare alternatives on a consistent basis. Include the preparation needed for each intended use and the obligations that continue while a decision is pending. A sale proposal, a rental asking price and rent already collected represent different stages of evidence; label them clearly so the owner can see what is established.
Assemble a property-specific rental assessment
If the owner wants to evaluate renting, prepare a clear description of the offer: whole home or another authorized arrangement, furnished condition, proposed duration, included items, parking and the earliest supportable move-in date. Match nearby rental alternatives to those features before discussing a realistic range.
The county sales index can frame the conversation about the wider housing market. Rental positioning needs its own relevant comparisons and the home's actual offer. Keep the dates and source of each comparison, and record which details remain unconfirmed. That gives a manager something concrete to examine with the owner.
Review existing occupancy and owner-use commitments before advertising availability. Assign the next action to someone who can complete it: confirming access, obtaining a scoped quote, updating photos or preparing the rental assessment. A dated task with a responsible person is easier to evaluate at the next review than a broad instruction to watch the market.
Put the next decision on one page
A compact owner review can bring the evidence together:
| Review item | Evidence to keep | Next decision |
|---|---|---|
| Market context | Named county, metric, period and source | Whether to refresh local comparisons |
| Readiness | Inspection notes and task status | Which work to authorize |
| Costs | Actual bills and identified estimates | Which assumptions need updating |
| Rental option | Proposed terms and dated alternatives | Whether to request an assessment |
| Timing | Access, availability and existing commitments | Who confirms the next date |
Review the page when a material fact changes, such as an accepted work scope, completed repair, confirmed availability or relevant new local evidence. Keep the earlier version so the reason for a changed plan remains visible. County statistics then have a useful role as context within a property decision.
How GnG's service fits
GnG Vacation's current long-term service page offers a free rental assessment of the property, its market position and realistic lease range. It also describes pre-leasing readiness, maintenance coordination and owner updates. Those are concrete service areas to discuss when the owner has assembled the condition, cost and timing information above.
Bring those records to the assessment and agree on the next step for the actual home. A county inventory reading helps start the review; completing the property work and confirming the terms make the plan usable.
Sources
C.A.R., September 2026 report, released October 19: https://www.car.org/aboutus/mediacenter/newsreleases/2026releases/sept2026sales
C.A.R., August 2026 report, used to cross-check the prior-month county readings: https://www.car.org/aboutus/mediacenter/newsreleases/2026releases/august2026sales
GnG Vacation, current long-term service scope: https://www.gngvacation.com/services/long-term
