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Average Rent in Diamond Head / Kapahulu / St. Louis Heights & Rent Trends

What is the average rent in Diamond Head / Kapahulu / St. Louis Heights?

The average listed apartment rent in Diamond Head / Kapahulu / St. Louis Heights is $5,146 per month, as of October 20, 2026. This sample includes 18 priced apartments in 3 buildings. These are tracked asking prices, not signed leases.

We use published total monthly rent when known and base rent otherwise. Unknown fees remain unknown. Included building observations run from October 16, 2026 through October 20, 2026. Buildings without a qualifying price do not count in this sample. The guide directory can include more buildings.

Rent prices and market trends across 3 apartment communities in Diamond Head / Kapahulu / St. Louis Heights, Honolulu, HI. Prices update after successful source checks.

Area All Areas Diamond Head / Kapahulu / St. Louis Heights Kaka'ako McCully - Moiliili
Beds All Bedrooms Studio 1 Bed 2 Bed 3 Bed

Showing any bedrooms in Diamond Head / Kapahulu / St. Louis Heights.

Market Average

$5,146/mo

Lowest Available

$1,804/mo

cheapest unit on market

Communities

3

tracked daily

Units Listed

18

available now

Rent Watch: cuts and increases

Open Rent Watch →

See current options while we confirm new price comparisons. Filter by bedrooms and budget, then inspect each building’s history.

Diamond Head / Kapahulu / St. Louis Heights vs Honolulu, HI Average

Diamond Head / Kapahulu / St. Louis Heights is more expensive than the Honolulu, HI average by $1,269/mo (33%). The citywide average is $3,877/mo across all neighborhoods.

Is Rent Going Up or Down in Diamond Head / Kapahulu / St. Louis Heights?

As of October 2026, the average rent in Diamond Head / Kapahulu / St. Louis Heights is $5,146 per month across 3 apartment communities and 18 available units.

The most affordable option is Kanekapolei Collection starting at $1,804/mo. By unit type, a studio averages $3,258/mo, a 1-bedroom averages $3,188/mo, a 2-bedroom averages $5,939/mo, a 3-bedroom averages $6,512/mo.

Prices range from $1,804 to $10,000 per month. The most common price point is the $5,000 range, where 3 units are currently listed.

Average Rent by Bedroom

Rent Price Distribution

Rent by Bedroom Type in Diamond Head / Kapahulu / St. Louis Heights

Studio
$3,258
from $3,165 · 2 units
1 Bed
$3,188
from $1,804 · 5 units
2 Bed
$5,939
from $4,866 · 6 units
3 Bed
$6,512
from $6,365 · 3 units

Rent Prices by Apartment in Diamond Head / Kapahulu / St. Louis Heights

Property Starting at Average Units Rating
Kanekapolei Collection $1,804/mo $1,804/mo 2 4.1
Lilia Waikiki $3,165/mo $5,287/mo 14 4.7
TDY Stay $5,000/mo $7,500/mo 2 4.8

Frequently Asked Questions About Rent in Diamond Head / Kapahulu / St. Louis Heights

How many bedrooms are you looking for?

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What is the average rent in Diamond Head / Kapahulu / St. Louis Heights?
The average listed apartment rent in Diamond Head / Kapahulu / St. Louis Heights is $5,146 per month, as of October 20, 2026. This sample includes 18 priced apartments in 3 buildings. These are tracked asking prices, not signed leases.

What rent range can I find in Diamond Head / Kapahulu / St. Louis Heights?
The apartment listings we track in Diamond Head / Kapahulu / St. Louis Heights range from $1,804 to $10,000 per month, as of October 20, 2026. These are the lowest and highest listed prices. They are not a typical price for every apartment. The building, floor plan, and lease terms can affect the price.

Are rents going up or down in Diamond Head / Kapahulu / St. Louis Heights?
There is not enough comparable history to report a reliable 30-day rent change for apartment listings in Diamond Head / Kapahulu / St. Louis Heights. Missing dates or a change in the buildings we track can prevent a comparison. Missing history does not mean rents stayed flat.

How much is a studio apartment in Diamond Head / Kapahulu / St. Louis Heights?
Studio apartments average $3,258 per month across 2 priced listings in Diamond Head / Kapahulu / St. Louis Heights. Listed rents range from $3,165 to $3,350 per month, as of October 20, 2026. Compare apartments with similar floor plans and lease terms.

How much is a 1-bedroom apartment in Diamond Head / Kapahulu / St. Louis Heights?
1-bedroom apartments average $3,188 per month across 5 priced listings in Diamond Head / Kapahulu / St. Louis Heights. Listed rents range from $1,804 to $4,439 per month, as of October 20, 2026. Compare apartments with similar floor plans and lease terms.

How much is a 2-bedroom apartment in Diamond Head / Kapahulu / St. Louis Heights?
2-bedroom apartments average $5,939 per month across 6 priced listings in Diamond Head / Kapahulu / St. Louis Heights. Listed rents range from $4,866 to $9,701 per month, as of October 20, 2026. Compare apartments with similar floor plans and lease terms.

How much is a 3-bedroom apartment in Diamond Head / Kapahulu / St. Louis Heights?
3-bedroom apartments average $6,512 per month across 3 priced listings in Diamond Head / Kapahulu / St. Louis Heights. Listed rents range from $6,365 to $6,785 per month, as of October 20, 2026. Compare apartments with similar floor plans and lease terms.

How do 1-bedroom and 2-bedroom rents compare in Diamond Head / Kapahulu / St. Louis Heights?
The 1-bedroom average is $3,188 per month across 5 listings. The 2-bedroom average is $5,939 across 6 listings, $2,751 (86.3%) higher. This is a comparison of listing groups, not the cost to upgrade a specific apartment.

Which tracked building has the lowest starting rent in Diamond Head / Kapahulu / St. Louis Heights?
Kanekapolei Collection has the lowest starting rent among the buildings in the comparison table, at $1,804 per month. We track 2 priced listings matching your bedroom choice in that building, as of October 20, 2026. The starting price applies to its lowest-priced matching apartment. Check that apartment's latest price and availability.

Which rent range has the most listings in Diamond Head / Kapahulu / St. Louis Heights?
The $5,000 to $5,200 monthly range has the most matching listings: 3 units, or 16.7% of the priced apartments we track in Diamond Head / Kapahulu / St. Louis Heights. This count does not tell us how fast the apartments rent.

How many apartment listings do you track in Diamond Head / Kapahulu / St. Louis Heights?
We track 18 priced units at 3 apartment buildings, as of October 20, 2026. This is not the total number of apartments in those buildings. A listing can change or become unavailable. Open the apartment details to check its latest status.

How much rent history is available for Diamond Head / Kapahulu / St. Louis Heights?
We do not yet have enough accepted price records to draw a history chart for apartment listings in Diamond Head / Kapahulu / St. Louis Heights. Current asking prices can appear before rent history is ready. We do not fill missing history with zero or with prices for a different bedroom count.

Why can the headline rent differ from the trend chart in Diamond Head / Kapahulu / St. Louis Heights?
The average at the top of the page gives each matching apartment equal weight. The chart first averages recorded prices within each building, then compares buildings. It removes the highest and lowest groups when at least ten buildings contribute and omits days with fewer than five buildings. Different dates, building counts, and listing mixes can produce different figures. The monthly table averages the recorded daily figures.

Does my bedroom choice change the prices and answers?
Yes. Your chosen area and bedroom count filter the asking rents, listing counts, rent ranges, and answers on this page. When you choose a bedroom count, the history chart uses recorded prices for matching apartments with a known identity. If those records are missing, we leave the chart empty rather than use prices for other bedroom types. Open an individual apartment to check its own price history.

Do these rents include utilities, parking, and other fees?
We use the published total monthly rent when it is available and the base rent otherwise. Unknown fees are not zero. Utilities, parking, pet charges, deposits, and one-time costs can add to the amount you pay. Check the selected unit and lease terms for a complete quote.

How should I compare free-rent offers with listed rent?
A free-rent offer can reduce the effective cost over a lease without changing the listed monthly rent. Compare the same lease length and move-in date, then include required charges and the offer conditions. The market averages do not assume an unconfirmed discount.

Does this page represent every rental in the market?
These figures describe the priced apartment listings we track, not every rental home or every occupied apartment. Coverage and the mix of bedrooms, buildings, and locations can change. A lower market average does not prove that the same apartment received a price cut.

How fresh are the Diamond Head / Kapahulu / St. Louis Heights rent figures?
We schedule rent updates each day, but buildings can have different price-check dates. The latest accepted price check for these listings was October 20, 2026. The month label does not mean we checked every price today. Open the building or apartment details for its latest price and availability.

What salary do I need to live comfortably in Diamond Head / Kapahulu / St. Louis Heights?

Built on the 25 to 30 percent rent-to-income guideline used by most landlords and credit-scoring models.

Minimum to afford average rent

$206,000/year

Based on the 30 percent rule, using our tracked average rent of $5,146/mo.

Comfortable income

$247,000/year

Based on the 25 percent rule, leaving more room for savings, transport, and groceries.

To afford the cheapest tracked apartment ($1,804/mo), you need to earn at least $72,000/year.

Median household income in Diamond Head / Kapahulu / St. Louis Heights is $85,428 , about 65% below the comfortable-living threshold.

Explore Diamond Head / Kapahulu / St. Louis Heights Apartments

Browse all 3 communities with daily-updated pricing and availability.

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Cost of living in Diamond Head / Kapahulu / St. Louis Heights

Overall prices in Diamond Head / Kapahulu / St. Louis Heights runs above the national average by about 11% (BEA Regional Price Parity index 111.4, where 100 equals the U.S. average). The breakdown below estimates monthly costs for a single adult, using national consumer-spending baselines from the Bureau of Labor Statistics scaled by Diamond Head / Kapahulu / St. Louis Heights's regional price parities.

Category Monthly estimate
Rent (market average) $5,146
Utilities $617
Groceries $596
Transportation $1,470
Healthcare $717
Other goods and services $1,147
Estimated total $9,693/mo

Population

346,323

Median household income

$85,428

Census median rent

$1,783/mo

Census rent burden

32.0%

Median age

42.9

Mean commute

22 min

Methodology

Rent data

We use listed asking rents and schedule daily data updates. Individual buildings can have different verification dates. Check the building or unit page for its latest price and availability.

Cost of living

Estimates combine national consumer-spending baselines from the U.S. Bureau of Labor Statistics (Consumer Expenditure Survey) with the U.S. Bureau of Economic Analysis Regional Price Parities (MARPP dataset). Both are peer-reviewed federal data releases published annually.

Salary to live comfortably

We estimate annual income by dividing annual rent by 30 percent for the affordability figure and 25 percent for the comfortable-income figure. These estimates are a guide, not a guarantee of rental approval.

Demographic figures

Median household income, population, median age, commute time, Census median rent, and rent as percentage of income come from the U.S. Census Bureau's American Community Survey 5-year estimates, the most recent complete release.

Cost of living and demographic figures were last published in 2023.
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