Real Estate Investing in Walnut, California (91789)
Everything the listing leaves out — vacancy, rent trend, cap rate, landlord climate. All free.
Should you buy in 91789 (Walnut, CA)? Our answer, based on the numbers below.
Proceed carefully. Weak appreciation or affordability makes this a harder case for most buyers.
A middle-of-the-road market. Workable, but the best opportunities may be nearby ZIPs rather than this one.
- Tenant-protective state: Landlord rating 1.0/5 — slower evictions, more regulations.
- High price-to-rent: Price-to-rent ratio 26.9 — hard to cash-flow at these prices.
What’s happening in Walnut, CA (91789)?
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Market Analysis: 91789 Walnut
ZIP 91789 in Walnut, CA carries a resilient set of headwinds. Home values near $1.1M and rents of $3,550/mo sit inside a market where underwriting has to be tight.
For an experienced owner, 91789 can be a a solid fit for hunting ground — but the discount at $1.1M reflects genuine risk that outside investors often underestimate.
Within CA, ZIP 91789 trails on several market indicators that neighboring Los Angeles County submarkets outperform. The gap is real and sturdy enough to shape underwriting.
A notable renter share of 18% in 91789 is not, on its own, a problem — but paired with below-average income and high mobility, it changes the operating playbook.
Strategically, 91789 can be a high-return sleeve of a diversified portfolio — but it should not be the whole portfolio, and it should not be someone's first deal.
Here's what matters if you're considering buying a home in Walnut:
Property Strategy for 91789
Which property type performs best in this market?
📊 Compare All Property Types →
| Type | Median Value | Est. Rent | Cap Rate | 5yr CAGR | $/Bedroom |
|---|---|---|---|---|---|
| 2BR | $599,368 | $3,880 | 4.7% | +6.8% | $299,684 |
| 3BR | $983,234 | $4,920 | 3.6% | +6.6% | $327,745 |
| 4BR | $1,154,943 | $5,480 | 3.4% | +7.1% | $288,736 |
| 5BR | $1,526,520 | — | — | +7.3% | $305,304 |
Market Trends
Home Value History (with trend line)
Rent History (with trend line)
📊 How Does 91789 Compare?
| Metric | 91789 | Walnut | Los Angeles-Long Beach-Anaheim, CA | California |
|---|---|---|---|---|
| Home Value | $1,146,502 | $1,146,502 | N/A | $761,003 |
| 5-Year CAGR | 5.7% | 5.7% | N/A | 5.7% |
| Avg Rent | $3,550 | $3,550 | N/A | - |
| Cap Rate | 2.4% | 2.4% | - | - |
Similar ZIPs Within 25 Miles
Compare other nearby markets to see if a neighbor offers a better fit.
Landlord Ground Truth
Real numbers from people who own or manage rentals in ZIP 91789 (Walnut, CA). Anonymous, moderated, never written by AI.
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📊 Market Snapshot
| Home Value | $1,146,502 |
| Monthly Rent | $3,550 |
| Price-to-Rent | 26.9:1 |
| 1% Rule | ✗ Fails |
💰 Return Metrics
| Gross Yield | 3.7% |
| Cap Rate | 2.4% |
| 5-Year IRR | 8.1% |
📈 Home Appreciation
| 1-Year | +3.4% ▲ |
| 3-Year CAGR | +4.9% ▲ |
| 5-Year CAGR | +5.7% ▲ |
| 10-Year CAGR | +5.1% ▲ |
🏠 Rent Trends
| 1-Year | -3.5% ▼ |
| 3-Year CAGR | +3.8% ▲ |
| 5-Year CAGR | N/A |
The current 30-yr mortgage rate (6.8%) exceeds the estimated cap rate (2.4%). Financing reduces your cash-on-cash return below the cap rate. Markets like this may still make sense as IRR plays — factoring in appreciation, depreciation, and a future refinance when rates drop.
Run an IRR Analysis →⚠️ Risk Signals
Composite view of factors that can impact a ZIP's stability and your downside risk.
Demographics in 91789
Population: 40,933
Crime & Safety
Crime & Safety Data Coming Soon
We're integrating comprehensive crime statistics including violent crime rates, property crime, and safety scores to help you make informed investment decisions.
Expected: Q1 2025
🎓 Schools in 91789
Schools in This ZIP Code
About Repit School Scores
Traditional school ratings rely heavily on standardized test scores, which often reflect family income more than school quality. Repit takes a different approach.
We evaluate schools based on factors that research shows actually impact educational outcomes:
- Class Size — Smaller classes mean more individual attention
- School Funding — Resources available for programs, staff, and facilities
- Community Factors — Neighborhood characteristics that influence student success
- School Environment — Size, type, and structure
Scores are updated annually using federal education data.
🎓 Nearby Colleges & Universities
Investor Insight: With 10,793 students living off-campus nearby, this area has strong rental demand from the college population.
Frequently Asked Questions
How should investors approach Walnut, CA?
In Walnut, CA the impressive play is typically careful cash-flow rentals with hands-on management. The combination of $1.1M prices and $3,550/mo rents suits that approach.
How landlord-friendly is Walnut, CA?
The landlord environment in Walnut, CA is tenant-protective. Statewide rules shape most day-to-day operations for rental owners.
Do rentals sit vacant long in Walnut, CA?
Rental vacancy in Walnut, CA is elevated. Investors should budget normal turnover but not chronic empty units.
What is the tenant pool like in Walnut, CA?
Expect a solid tenant pool in Walnut, CA. The rental market absorbs $3,550/mo rents without meaningful friction.
Is Walnut, CA a smart market for rental property?
The 3.0/5 investability rating in Walnut, CA reflects its $1.1M prices and $3,550/mo rents. Investors generally consider it a solid option within CA.
You know 91789 now. You don’t know where it ranks.
This page stays free — all of it. What one page can’t tell you is how 91789 compares to every other market. Investor ($19/mo) screens every U.S. ZIP by cap rate, the 1% rule, vacancy and landlord climate, and exports your shortlist.
How 91789 ranks in Los Angeles-Long Beach-Anaheim, CA
Every ZIP in this metro, ranked. Free.
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