Alameda County

CaliforniaPopulation: 1,663,823
31
/100
Avoid
#0 of 0 counties
#48 in California (58 counties)
Analysis by RentalCalcs ResearchIndependent data + algorithm-driven scoring
Updated October 20, 2026Sources: Zillow ZHVI, Zillow ZORI, US Census ACS, Tax Foundation

Market Snapshot

$1,044,951
Median Home Price
0% below national median
$2,956/mo
Median Rent
0% below national median
3.39%
Rent-to-Price Ratio
Top 50% nationally
-$3,557
Est. Monthly Cash Flow
With 20% down at 6.9% rate

Deep-dive analysis

Alameda market analysis

Alameda County's numbers tell a clear story before you run a single pro forma: at a median home price of $1,044,951 and median rent of $2,956, the gross rent-to-price ratio sits at 0.034%, or roughly $2.83 per $1,000 of purchase price per month. That is well below the threshold most cash-flow investors require, and the model confirms it. At a 6.85% rate with 20% down, the monthly mortgage alone is $5,478. Add $1,035 in estimated expenses and $784 in monthly tax and insurance, and you are looking at total monthly carry of roughly $7,297 against $2,956 in rent. The resulting estimated cash flow is negative $3,557 per month, a cash-on-cash return of -17.76%. The cap rate of 2.21% does not get you to debt-service coverage at any conventional financing structure. This is not a cash-flow market. It is priced as an appreciation market, and a relatively mild one at that: home prices are down 0.37% year-over-year, giving the appreciation score of 48 out of 100 real context. You are not buying a dip in a recovering market so much as buying a flat, expensive one.

The investor this market suits is narrow and specific: someone deploying all-cash or near-all-cash capital who can tolerate a 2.21% cap rate because they are underwriting long-term appreciation in a high-barrier coastal market, or a 1031 exchange buyer who needs to park capital and is comfortable with negative leverage. At a leveraged -17.76% cash-on-cash, a conventional buy-and-hold operator running a mortgage cannot make the arithmetic work without extraordinary rent growth or forced appreciation through value-add. Even value-add operators face a compounding problem: you are starting from a $1,044,951 basis, which means the renovation dollar has to generate outsized rent lift just to move the needle on a 2.21% cap. An affordability index of zero and an overall score of 31 out of 100, ranking 48th out of 58 California counties, reinforces that this is the bottom quartile for investor entry on a risk-adjusted basis.

No economic anchor data was provided for this county, so employer-specific demand drivers are outside the scope of what the data supports here.

On carry costs, the state-average effective property tax rate of 0.73% is flagged as normal, which is one of the few genuine tailwinds in this underwrite. California's Proposition 13 framework keeps effective rates low relative to most high-cost metros nationally, and the $784 monthly tax-and-insurance figure, while not trivial, is not the primary driver of the cash-flow problem here. That distinction belongs entirely to price-to-rent compression. Still, at a $1,044,951 purchase price, the $7,628 in annual property tax is a real line item, and the honest caveat applies: 0.73% is a state-average estimate from Tax Foundation 2024 data, and actual county or township rates in Alameda may differ materially depending on the specific parcel and any special assessments layered on top.

The regulatory risk in Alameda County deserves attention even though the data does not provide vacancy or specific ordinance details. Alameda County sits within one of the most tenant-protective regulatory environments in the country. The city of Oakland, which falls within this county, has longstanding rent control and just-cause eviction ordinances that constrain an owner's ability to reposition assets or recover market rents on occupied units. An investor underwriting value-add specifically needs to account for the possibility that existing tenants are significantly below market and may be legally protected from rent increases beyond defined annual limits. This is not a fabricated risk; it is a structural feature of operating in this jurisdiction that must be in your legal and financial diligence stack before you close.

Compared to its neighbors, Alameda is neither the worst nor the best option, but context matters. San Mateo County has a median price of $1,511,224 and a rent-to-price ratio of 0.027%, making Alameda look relatively more favorable on income yield, though both are deeply cash-flow negative. Marin County at $1,396,277 and a 0.031% ratio is similarly unattractive. The meaningful comparison is to the south and inland: Los Angeles County at $859,958 and a 0.039% ratio, and San Diego County at $910,765 and a 0.039% ratio, both score 33 overall versus Alameda's 31, and both offer meaningfully better rent-to-price ratios at a lower basis. If you are a California-constrained investor and cash-flow is even a secondary objective, LA or San Diego give you more room to breathe on the income side. Mendocino County at $482,788 and a 0.043% ratio has a higher yield profile, though its smaller market and limited liquidity introduce concentration risk that a county of 1.66 million people like Alameda does not. Choose Alameda over its neighbors only if your thesis is specifically anchored to Bay Area appreciation dynamics, you are financing conservatively or all-cash, and you have the balance sheet to absorb three to five years of negative carry without pressure.

Last analyzed October 20, 2026. Based on the latest available Zillow and Census data for Alameda County.

Scenario comparison

Same $2,956/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
$783,713-$2,187/mo2.9%-14.6%
Median
typical MLS deal
$1,044,951-$3,557/mo2.2%-17.8%
125% of median
newer / premium
$1,306,189-$4,926/mo1.8%-19.7%

Price History

Median Home Price

Median Rent

Historical data from Zillow ZHVI/ZORI

Quick Investment Calculator

20%
5%50%100%

Purchase

Purchase Price$1,044,951
Down Payment (20%)$208,990
Loan Amount$835,961
Interest Rate6.85%

Monthly Cash Flow

Gross Rent+$2,956
Monthly P&I-$5,478
Est. Expenses (35%)-$1,035
Net Cash Flow-$3,557/mo
2.2%
Cap Rate (all cash)
-17.8%
Cash-on-Cash Return
3.39%
Rent-to-Price Ratio
Negative leverage: At 6.85% rates, borrowing costs exceed the 2.2% 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
31/100
31
Cash Flow(30%)
21/100

Based on 3.39% rent-to-price ratio. Higher ratios indicate stronger cash flow potential.

Appreciation(25%)
48/100

Based on -0.4% YoY price growth. Moderate growth (3-8%) scores highest.

Stability(25%)
50/100

Population data not available.

Affordability(20%)
0/100

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

  • -Declining home values (-0.4% YoY)
  • -Negative cash flow at typical financing (-$3,557/mo)
  • -Negative leverage (cap rate 2.2% < mortgage rate 6.9%)
  • -High price-to-income ratio makes financing challenging

Economic Indicators

Population
1,663,823
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 expect appreciation to carry the deal, but prices have declined year over year
  • −You rely on FHA-style financing: prices are stretched relative to local incomes

Compare to Nearby Counties

CountyVerdict
Los AngelesCA
33$859,958$2,8093.92%AvoidView
San DiegoCA
33$910,765$2,9333.86%AvoidView
CurrentAlamedaCA
31$1,044,951$2,9563.39%Avoid
MendocinoCA
31$482,788$1,7194.27%AvoidView
San MateoCA
31$1,511,224$3,4632.75%AvoidView
MarinCA
30$1,396,277$3,6553.14%AvoidView

Section 8 in Alameda 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

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

Alameda County in California scores 31/100, ranking #0 of 0 US counties (top 50%). At 20% down and current rates, a median-priced rental loses about $3557/month; the 3.39% 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
$-3,557/mo
Cap Rate
2.2%
Cash-on-Cash
-17.8%

Related markets

Average rent by city in Alameda County

Typical asking rent across each city's ZIP codes (Zillow Observed Rent Index). Open a city for rent by ZIP and bedroom count.

Frequently asked questions

Alameda County has an average cap rate of 2.21%, which is well below the 5–7% range most investors target for cash flow. This low rate reflects the county's high home prices relative to rental income, making it a challenging market for buy-and-hold rental investors seeking immediate returns.

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