State of Hawaii and Honolulu County property record for 421 Prospect St, Honolulu, HI 96813
| Property Type | Single Family Home |
|---|---|
| Details | 11.75 ba · 5,537 sqft · built 1958 |
| Lot Size | 0.232 acres (10,100 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,173,000 (Sep 2010) |
| Tax Bill | $8,055 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1-2-2-003-016 |
| Primary APN | 1-2-2-003-016 |
|---|---|
| Alternative APNs |
|
| Full Baths | 11.7 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Units | 13 Units |
| Building Area | 5,537 sqft Living Area |
| 1st Floor Area | 2,170 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1968 |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 10,100 sqft (0.232 acres) |
| Porch | Porch |
|---|---|
| Porch Area | 208 sqft |
| Patio Area | 975 sqft |
| Total Buildings | 2 Buildings |
| Street Address | 421 PROSPECT ST |
|---|---|
| City | HONOLULU |
| State | HI |
| Zip | 96813-1895 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | U/11/11 |
| Legal Description | 1ST: LOT 8 POR LPGR 5776 BLK 13 8,885 SF DES 2ND: LOT 8 POR LPGR 10,733 BLK 13 AUWAIOLIMU LOTS 1,215 SF DES |
| Legal Subdivision | LP GR 5776 AUWAIOLIMU |
| Legal Block | 13 |
| Legal Lot Number | 8 |
| Jurisdiction | HONOLULU HI |
| Township / Civil Division | HONOLULU |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 4301 |
Source: State of Hawaii and Honolulu County records · APN 1-2-2-003-016
Assessment roll updated June 17, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3415 PEPPERIDGE DR, SAN JOSE, CA 95148-2233 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 16, 2010 · Amount on Record |
| Deed Sale | Sep 16, 2010 · Amount on Record |
| Deed Document Number | 2010137402 |
| Prior Transfer Date | Feb 21, 2000 |
| Prior Transfer Doc | 0000048383 |
| Record Updated | Sep 20, 2026 |
Source: State of Hawaii and Honolulu County records · Assessment roll updated June 17, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Hawaii |
| County | Honolulu County |
| Unified School District | Hawaii Department of Education (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $8,055.00 | $2,324,200 (+1.61%) Land $1,810,900 Building $513,300 | $2,324,200 (+1.61%) Land $1,810,900 Building $513,300 |
| 2025 | $8,055.00 (+0.69%) | ||
| 2024 | $2,287,400 (+0.07%) Land $1,810,900 Building $476,500 | $2,287,400 (+0.07%) Land $1,810,900 Building $476,500 | |
| 2023 | $8,000.00 (+7.44%) | $2,285,800 Land $1,810,900 Building $474,900 | $2,285,800 Land $1,810,900 Building $474,900 |
| 2022 | $7,446.00 |
Source: FEMA National Flood Hazard Layer as of June 9, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 65% of the US · lower than 89% of Hawaii |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cincinnati Bell Fiber | 2,850 / 2,850 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 416 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | HNL-WINDWARD-PEARL HARBOR serves 631,389 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2025 |
| Lead | Under 1 ppb (2016–2018) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures