Skip to content
RE Intelligence

Rental numbers for ZIP 96821 (Honolulu, HI)

Negative cash flow at any interest rate with 25% down: the rent does not cover operating costs and principal.

Gross yield
2.9%
rent x 12 / price
Est. cap rate
1.2%
NOI / price
Cash flow
-$8,090/mo
at 7.78%, 25% down
Typical price
$1,834,000
Zillow ZHVI, Aug 2026
Typical rent
$4,469/mo
Zillow ZORI, Aug 2026

The pro forma

Typical home, default assumptions

Income and expenses, per year
OperatorLineAmountSource
Gross rent$53,628
Vacancy$2,681
Management$4,076
Property tax$5,118
Insurance$1,859
Maintenance$18,345
Net operating income$21,549
Loan payments$118,624
Cash flow-$97,075
Purchase and loan
OperatorLineAmountSource
Typical price$1,834,475
Down payment (25%)$458,619
Loan$1,375,856
Rate7.78%
Monthly payment$9,885
Cash in$513,653
Cash-on-cash return-18.9%
DSCR0.18
Break-even ratenone
Down payment25%
A common minimum for investment-property and DSCR loans.
Interest rate7.78%
Freddie Mac 30-year 7.03% (week of 2026-09-24) + 0.75 point investor premium.
Loan term30 years
Fixed, fully amortising.
Closing costs3% of price
Added to cash invested.
Insurance$1,859 a year
NAIC 2023 average homeowners (HO-3) premium for Hawaii, $1,549, x 1.2 for a landlord policy.
Maintenance1% of price a year
The 1% rule of thumb; older homes run higher.
Vacancy5% of rent
About 18 days empty a year.
Management8% of collected rent
A typical full-service fee; zero if you self-manage.

Trends

Five years to August 2026

Price, 12 months
+4.8%
Rent, 12 months
n/a
rent series under a year old
Rent minus price growth
n/a
positive means yields are improving
Typical value (Zillow ZHVI) Rent (Zillow ZORI)Indexed to 100 at Aug 2021
10011012013020222023202420252026
Show the numbers
MonthTypical valueRent
Aug 2021$1,457,155n/a
Aug 2022$1,739,938n/a
Aug 2023$1,688,997n/a
Aug 2024$1,702,459n/a
Aug 2025$1,750,634n/a
Aug 2026$1,834,475$4,469

Rent references

Two sources, never blended

SourceStudio1 bed2 bed3 bed4 bed
HUD Small Area FMR, FY2026$2,520$2,710$3,550$4,940$5,960
Zillow observed rent, Aug 2026$4,469 typical, all home types

HUD's Fair Market Rent is the 40th percentile gross rent (rent plus utilities) for a standard unit, and it is what Section 8 vouchers pay against. Zillow's index tracks asking rents on listed homes. The two measure different things, so they are shown side by side and never averaged. HUD area: Urban Honolulu, HI MSA.

Property tax

Effective rate
0.28%
ZIP area, ACS
At the typical price
$5,118/yr

Median real estate taxes paid divided by median home value, Census ACS 2020 to 2024. Honolulu County: 0.28%. Actual bills depend on the assessment, exemptions and any non-homestead rate.

Supply

Permits per 1,000 households
4.6
Honolulu County, last 12 months
National percentile
46th
among US counties

1,560 new housing units permitted in 2025-09 to 2026-08, Census Building Permits Survey. A high figure means more new supply competing for tenants.

Nearby ZIP codes

ZIPDistanceTypical priceRentGross yieldCash flow /mo
96816Honolulu2.8 mi$1,288,000$2,8662.7%-$5,980
96795Waimanalo3.1 mi$1,097,000$2,060*2.3%-$5,356
96822Honolulu3.8 mi$644,000$2,1674.0%-$2,410
96825Honolulu4.1 mi$1,243,000$4,2024.1%-$4,535
96826Honolulu5.0 mi$459,000$2,1855.7%-$1,214
96815Honolulu5.2 mi$499,000$2,8006.7%-$937
96817Honolulu5.4 mi$794,000$2,3873.6%-$3,191
96734Kailua5.8 mi$1,523,000$3,8903.1%-$6,603

* HUD Fair Market Rent, 2 bedroom (no Zillow rent index for that ZIP).

Every ZIP in Honolulu CountyUrban Honolulu, HI metroHawaii

Run the numbers on a real listing

The calculator opens with this ZIP's figures. Swap in a listing's price and rent, your rate and your costs.

Open the calculator for 96821

Questions

Is 96821 good for rental property?
On the typical home here, priced at $1,834,000 and renting for $4,469 a month (Zillow ZORI, Aug 2026), the gross yield is 2.9% and the estimated cap rate is 1.2%. At a 7.78% investor rate with 25% down, estimated cash flow is -$8,090 a month. The median gross yield across the 8,418 ZIP codes with full Zillow data is 5.6%. These are figures for a typical property, not a judgement on any particular one.
What is the typical rent in 96821?
Zillow's observed rent index for 96821 was $4,469 a month in August 2026, across all home types. HUD's FY2026 Small Area Fair Market Rent for a 2-bedroom here is $3,550, the 40th percentile of gross rents and the basis for Section 8 payment standards.
What is the property tax rate in 96821?
The effective property tax rate is about 0.28% of value (median taxes paid divided by median home value, Census ACS 2020 to 2024). On the typical $1,834,000 home that is about $5,118 a year. Your bill depends on the assessment and local exemptions.
What interest rate makes a rental in 96821 break even?
With the default assumptions, no interest rate brings cash flow to zero: rent does not cover operating costs plus principal on a 30-year loan with 25% down.
How fast are prices and rents changing in 96821?
Over the 12 months to August 2026, the typical home value changed +4.8%.

Sources and method

Data: Zillow Research (ZHVI, ZORI), HUD, US Census Bureau, Freddie Mac. Every formula is on the methodology page.

Estimates from public data for a typical property. Not investment, tax or legal advice. Your property, financing and costs will differ.