Real Estate Investing in Walnut, California (91789)

Everything the listing leaves out — vacancy, rent trend, cap rate, landlord climate. All free.

Los Angeles County • Population: 40,933 • Data updated: September 2026

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Should you buy in 91789 (Walnut, CA)? Our answer, based on the numbers below.

🏠 For Homebuyers
CAUTION
Grade D (47/100)

Proceed carefully. Weak appreciation or affordability makes this a harder case for most buyers.

📈 For Investors
MIXED
3.0 / 5 (47/100)

A middle-of-the-road market. Workable, but the best opportunities may be nearby ZIPs rather than this one.

⚠️ Risks to Know
2 flags
  • 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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3.0/ 5

Investability

Overall investment appeal

3.0/ 5

Appreciation

Long-term value growth

3.0/ 5

Cashflow ROI

Rental yield potential

Avg Home Value $1,146,502
Avg Monthly Rent $3,550
1% Rule ✗ Does Not Meet
Median Income $123,555
% Renters 18.0%

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.

Explore the Data — Click a Tab Below
🏦 Current 30-yr Fixed Mortgage Rate: 6.76% as of Sep 10 Source: Freddie Mac PMMS

Here's what matters if you're considering buying a home in Walnut:

C Below Average
Buy Confidence Score: 58/100
Affordability
0/25
Appreciation
22/25
Stability
13/20
Timing
8/15
Rental backup
15/15
Affordability
Expensive
Homes cost 9.3× the median income
Value Trend
Rising (+3.4%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $3,550/mo if you need to move
Market Conditions
BALANCED
Even conditions for buyers and sellers
Bottom Line: This market may be challenging for buyers. Consider your timing and budget carefully.
⚖️
BALANCED MARKET
Los Angeles-Long Beach-Anaheim, CA Metro Area
Even conditions for buyers and sellers
50 days
Average time to sell
Average
8.0%
Listings with price cuts
Few Cuts
0.0%
Sale price vs asking
Below Ask
0.0%
Income needed for mortgage
Affordable
📅 Market conditions as of August 29, 2026 — updated weekly from Los Angeles-Long Beach-Anaheim, CA metro data
🏠

Property Strategy for 91789

Which property type performs best in this market?

Best for Cash Flow
2BR
4.7% cap rate
Best for Appreciation
5BR
+7.3% 5yr CAGR
Best Overall Value
4BR
$288,736/bedroom
📊 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)

$1.2M$1.1M$901K$746K$590K$434KJul 2006Jul 2016Jul 2026

Rent History (with trend line)

$3,819$3,672$3,526$3,379$3,232$3,085Feb 2023Nov 2024Jul 2026

📊 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% - -
💡 Why Invest in 91789? Click to expand

With a 3/5 investability rating, this ZIP shows solid fundamentals for buy-and-hold investors.

📊 See where this ZIP ranks in our Best-of lists →
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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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Property managers serving Los Angeles County

Manage rentals here? List your business →

A Better Property Management Company Inc. provides property management services in Long Beach, Seal Beach, and Southern California. summary from their website

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ACF Property Management leases shopping center spaces nationwide, managing over 37 shopping centers in 11 states from California to Florida. summary from their website

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summary from their website summary from their website

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Listings are shown for convenience — Repit doesn’t endorse or vet these companies. Ratings shown come only from email-verified visitors.

Investability
Good
Cap Rate
2.4%
Low
5yr Growth
+5.7%
Moderate

📊 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
Negative Leverage — IRR / Tax Play Cap Rate: 2.4%  |  30yr Rate: 6.8%
Leverage reduces cash returns at current rates.

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.

Vacancy
6.2%
Low risk
Landlord Climate
1.0/5
Protective
Value Trend (5yr)
+5.7%
Stable
Eviction process: Very Slow Rent control: Unfavorable

Demographics in 91789

Population: 40,933

💰 Median Household Income
$123,555
This area
$123,555
State
$94,164
USA
$74,580
🏠 Renter Occupied
18.0%
This area
18.0%
State
39.3%
USA
34.0%
💼 Unemployment Rate
2.8%
This area
2.8%
State
-16.6%
USA
3.7%
🎓 College Educated
53.2%
This area
53.2%
State
7.7%
USA
33.7%
👤 Median Age
46.1 years
This area
46.1 years
State
9.6 years
USA
38.9 years
🏚️ Vacancy Rate
6.2%
This area
6.2%
State
15.3%
USA
10.5%
👥 Population by Ethnicity
Asian 65.3%
White 16.3%
Other/Mixed 16.0%
Hispanic/Latino 12.2%
Black/African American 2.4%
👶 Under 18
18.8%
This area
18.8%
USA
22.0%
👴 65 and Over
21.7%
This area
21.7%
USA
17.3%
📊 Poverty Rate
6.1%
This area
6.1%
USA
11.5%

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

C+ Avg School Grade
11 Schools
23.8:1 Avg Class Size
$17,017 Avg Per Pupil

Schools in This ZIP Code

B+ Above Average
👥
595 Students
👨‍🏫
23.3:1 Class Size
💰
$20,186 Per Student
B Good

Stanley G. Oswalt Academy

📚 K – 08 School
👥
873 Students
👨‍🏫
25.3:1 Class Size
💰
$20,186 Per Student
B Good

Ron Hockwalt Academies (Continuation)

📚 09 – 12 High School
👥
44 Students
👨‍🏫
6.4:1 Class Size
💰
$16,313 Per Student
B Good

Collegewood Elementary

📚 K – 05 Elementary
👥
604 Students
👨‍🏫
26.0:1 Class Size
💰
$16,313 Per Student
B Good

Vejar Elementary

📚 K – 05 Elementary
👥
636 Students
👨‍🏫
25.4:1 Class Size
💰
$16,313 Per Student
C+ Average

South Pointe Middle

📚 06 – 08 Middle
👥
949 Students
👨‍🏫
24.9:1 Class Size
💰
$16,313 Per Student
C+ Average

Cyrus J. Morris Elementary

📚 K – 05 Elementary
👥
483 Students
👨‍🏫
26.7:1 Class Size
💰
$16,313 Per Student
C+ Average

Leonard G. Westhoff Elementary

📚 K – 05 Elementary
👥
659 Students
👨‍🏫
26.7:1 Class Size
💰
$16,313 Per Student
C+ Average

Walnut Elementary

📚 K – 05 Elementary
👥
699 Students
👨‍🏫
26.6:1 Class Size
💰
$16,313 Per Student
C Below Average

Suzanne Middle

📚 06 – 08 Middle
👥
1,172 Students
👨‍🏫
27.1:1 Class Size
💰
$16,313 Per Student
C Below Average

Walnut High

📚 09 – 12 High School
👥
2,138 Students
👨‍🏫
23.1:1 Class Size
💰
$16,313 Per Student
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

8 Nearby 10,793 Off-Campus Students
C+
Mt San Antonio College
28,742 students · 2.1 mi
B
California State Polytechnic University-Pomona
26,848 students · 3.3 mi
C
InterCoast Colleges-West Covina
507 students · 4.5 mi
C
UEI College-West Covina
1,022 students · 5.1 mi
C
Life Pacific University
504 students · 5.7 mi
C+
Salon Success Academy-West Covina
82 students · 5.8 mi
C
American Beauty College
250 students · 5.9 mi
D
Tri-Community Adult Education
217 students · 6.2 mi

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.

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How 91789 ranks in Los Angeles-Long Beach-Anaheim, CA

Every ZIP in this metro, ranked. Free.

Cash Flow → Appreciation → Affordable →
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