San Luis Obispo County

CaliforniaPopulation: 281,712
39
/100
Avoid
#757 of 1,000 counties
#34 in California (58 counties)
Analysis by RentalCalcs ResearchIndependent data + algorithm-driven scoring
Updated October 19, 2026Sources: Zillow ZHVI, Zillow ZORI, US Census ACS, Tax Foundation

Market Snapshot

$897,661
Median Home Price
292% above national median
$2,802/mo
Median Rent
93% above national median
3.75%
Rent-to-Price Ratio
Top 97% nationally
-$2,884
Est. Monthly Cash Flow
With 20% down at 6.9% rate

San Luis Obispo market analysis

San Luis Obispo County prices a median home at $897,661 against median rent of $2,802, producing a rent-to-price ratio of 0.374%, or roughly $3.15 per $1,000 of purchase price per month. That is a thin ratio by any standard, and the cap rate of 2.43% confirms it. Run the numbers at a 20% down payment ($179,532), a 6.85% rate, and you get a monthly mortgage of $4,706 plus $981 in estimated expenses, against $2,802 in rent. The result is negative $2,884 in monthly cash flow and a cash-on-cash return of negative 16.76%. Home prices are appreciating at 1.96% year-over-year, which is modest in absolute terms and does nothing to offset the carry cost in the near term. The overall score of 39 out of 100 and a national percentile rank of 3 place this county near the bottom of the country for buy-and-hold rental fundamentals. This is not a cash-flow market at current prices and financing costs.

The investor profile this market suits is narrow. An appreciation buyer with a long hold horizon and access to capital that can absorb a sustained monthly loss could make a case here, but the 70 appreciation score is only moderate, and the 1.96% price growth does not suggest the county is in an accelerating phase that would justify the negative carry. A cash-flow buyer has no business here at these numbers: a score of 26 on cash flow and a negative $2,884 monthly shortfall would require extraordinary rent growth to reach breakeven. A value-add operator faces the same ceiling: even if renovations push rents materially higher, the gap between rent and ownership cost is wide enough that standard value-add math struggles to close it. The affordability index of 4 out of 100 signals that a thin pool of prospective renters can afford significant rent increases, which limits the upside on that strategy.

The county's tax and insurance picture is not the primary problem, but it adds up to $673 per month, already embedded in the $981 estimated expenses figure. California's state-average effective property tax rate applied here is 0.73%, which the data flags as normal, so this is not an outsized drag relative to other California counties. That said, at $6,553 annually on an $897,661 asset, it is a real number and deserves its own line in your underwrite. The caveat worth holding onto: 0.73% is a state-average estimate from Tax Foundation 2024 data, and actual rates at the county or township level may differ. Insurance at 0.17% adds $1,526 annually, which is comparatively light, consistent with California coastal markets that have not yet seen the full insurance repricing hitting some other parts of the state.

The stability score of 50 is middling, suggesting neither a particularly recession-resistant market nor an obviously fragile one. Without specific economic anchor data for the county, it is not possible to characterize the employer base or job concentration risk beyond what the numbers imply. The affordability index of 4 is the sharpest risk signal in the dataset: at a median home price of $897,661, San Luis Obispo is priced out of reach for most households, which concentrates the renter pool at a premium tier and leaves the market exposed if professional-class employment softens or remote-work demand reverses. Population of 281,712 means this is a smaller market with less liquidity than the major metro counties, which affects both your ability to find deals and your exit options.

Stacked against its neighbors, San Luis Obispo is clearly the weakest option for rental investment on current metrics. Nevada County at $597,768 median with a rent-to-price ratio of 0.488% scores 41 overall and offers meaningfully better income relative to purchase price. Yolo County at $608,368 and a 0.441% rent-to-price ratio also carries a better income profile with a similar overall score of 39. Contra Costa County at $765,618 and a 0.437% rent-to-price ratio gives you more income per dollar of purchase price at lower absolute entry cost than San Luis Obispo, even with a slightly lower overall score of 37. San Francisco County at $1.25 million is more expensive but produces a 0.355% rent-to-price ratio that, while still poor, beats San Luis Obispo on that metric given the higher absolute rents. San Luis Obispo at 0.374% is the second-worst performer among the listed neighbors on rent-to-price. You would choose San Luis Obispo over these alternatives only if you have a specific thesis about coastal Central California appreciation outperforming these other markets over a five-plus-year hold, and you have the balance sheet to carry a nearly $3,000 monthly loss in the meantime. That is a narrow brief, and the data provided does not strongly support it.

Last analyzed October 19, 2026. Based on the latest available Zillow and Census data for San Luis Obispo County.

Scenario comparison

Same $2,802/mo rent assumption, 20% down, 6.85% rate. What changes is the acquisition price.
ScenarioPurchase priceMonthly cash flowCap rateCash-on-cash
75% of median
value-add or distressed
$673,246-$1,708/mo3.3%-13.2%
Median
typical MLS deal
$897,661-$2,884/mo2.4%-16.8%
125% of median
newer / premium
$1,122,076-$4,061/mo1.9%-18.9%

Price History

Median Home Price

Median Rent

Historical data from Zillow ZHVI/ZORI

Quick Investment Calculator

20%
5%50%100%

Purchase

Purchase Price$897,661
Down Payment (20%)$179,532
Loan Amount$718,129
Interest Rate6.85%

Monthly Cash Flow

Gross Rent+$2,802
Monthly P&I-$4,706
Est. Expenses (35%)-$981
Net Cash Flow-$2,884/mo
2.4%
Cap Rate (all cash)
-16.8%
Cash-on-Cash Return
3.75%
Rent-to-Price Ratio
Negative leverage: At 6.85% rates, borrowing costs exceed the 2.4% cap rate. All-cash buyers may see better returns.

* Based on county median values. 35% expenses include taxes, insurance, maintenance, vacancy, and property management. Actual results vary by property.

Score Breakdown

Overall Investment Score
39/100
39
Cash Flow(30%)
26/100

Based on 3.75% rent-to-price ratio. Higher ratios indicate stronger cash flow potential.

Appreciation(25%)
70/100

Based on 2.0% YoY price growth. Moderate growth (3-8%) scores highest.

Stability(25%)
50/100

Population data not available.

Affordability(20%)
4/100

Based on price relative to estimated local incomes.

Scores are calculated using real Zillow home value and rent data, Census population data, and economic indicators. The weighted average produces the overall investment score. Markets with missing rent data use estimated values based on regional averages.

Investment Outlook

Strengths

  • +Complete rent data available

Challenges

  • -Below-average rent-to-price ratio (3.75%)
  • -Negative cash flow at typical financing (-$2,884/mo)
  • -Negative leverage (cap rate 2.4% < mortgage rate 6.9%)
  • -High price-to-income ratio makes financing challenging

Economic Indicators

Population
281,712
Median Income
—
Data pending
Unemployment Rate
—
Data pending
Price-to-Income
—
Data pending

Who this market fits

Best for
  • +All-cash buyers: removing debt service flips the cap rate to actual yield
Skip if
  • −You need positive cash flow on day one at typical leverage
  • −You can't tolerate negative leverage (cap rate below mortgage rate today)
  • −You rely on FHA-style financing: prices are stretched relative to local incomes
  • −You want a market with broad institutional consensus on fundamentals

Compare to Nearby Counties

CountyVerdict
NevadaCA
41$597,768$2,4324.88%AvoidView
MariposaCA
40$386,152Est. pending—AvoidView
CurrentSan Luis ObispoCA
39$897,661$2,8023.75%Avoid
YoloCA
39$608,368$2,2374.41%AvoidView
Contra CostaCA
37$765,618$2,7904.37%AvoidView
San FranciscoCA
37$1,245,307$3,6803.55%AvoidView

Section 8 in San Luis Obispo County: payment standards by ZIP, PHA waitlist status, and voucher counts are on VoucherMatch, the same HUD dataset with the tenant demand side attached.

The Bottom Line

AvoidSan Luis Obispo may be challenging for traditional rentals. High prices or low rents make cash flow difficult.

San Luis Obispo County in California scores 39/100, ranking #757 of 1,000 US counties (top 97%). At 20% down and current rates, a median-priced rental loses about $2884/month; the 3.75% gross rent-to-price ratio doesn't survive debt service. The thesis here is appreciation, value-add, house hacking, or all-cash.

Monthly Cash Flow
$-2,884/mo
Cap Rate
2.4%
Cash-on-Cash
-16.8%

Related markets

Frequently asked questions

The cap rate in San Luis Obispo County is 2.43%, which is very low and indicates this is primarily an appreciation-focused market rather than a cash-flow market.

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