San Diego County property record for 731 Diamond St, San Diego, CA 92109
| Property Type | Condominium |
|---|---|
| Details | 4 bd · 3.5 ba · 1,580 sqft · built 2007 |
| Lot Size | 0.569 acres (24,796 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,140,000 (Jan 2021) |
| Tax Bill | $15,481 (2025) |
| Deeds & Mortgages | Jan 2021 Sale & Mortgage Jul 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 415-581-14-07 |
| Primary APN | 415-581-14-07 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 1,580 sqft Living Area |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | Condo/Apartment |
| Lot Area | 24,796 sqft (0.569 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 731 DIAMOND ST |
|---|---|
| City | SAN DIEGO |
| State | CA |
| Zip | 92109-2447 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | CV-1-2 |
| Legal Description | LOT 1 US 7 PER DOCS06-0544574&07-0110194&UND INT IN TR 015392 |
| Legal Subdivision | MISSION BAY HEIGHTS |
| Legal Tract | 015392 |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | SAN DIEGO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 7905 |
731 Diamond St, a condominium, is owned and occupied by two individuals who bought it in January 2021.
Source: San Diego County records, as of July 28, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 731 DIAMOND ST, SAN DIEGO, CA 92109-2447 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jan 15, 2021 | Grant Deed, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Jul 12, 2018 | Grant Deed, Transfer LAWYERS TITLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 15, 2021 · Amount on File |
| Deed Sale | Jan 15, 2021 · Amount on File |
| Prior Sale | Jul 12, 2018 · Amount on File |
| Deed Document Number | 202134527 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Jan 15, 2021 |
| Property Address | 731 DIAMOND ST, SAN DIEGO, CA 92109-2447 |
| Document Number | 0000034527 |
| Map Reference | MAP 15392 |
| Instrument Date | Dec 28, 2020 |
| Instrument | 2021-0034527 |
| Transaction Type | Transfer |
| Record Updated | Aug 24, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 731 DIAMOND ST, SAN DIEGO, CA 92109-2447 |
| Document Number | 0000034528 |
|---|---|
| Date | Jan 15, 2021 |
| Instrument | 2021-0034528 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Feb 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Jul 12, 2018 |
| Property Address | 731 DIAMOND ST, SAN DIEGO, CA 92109-2447 |
| Document Number | 0000283065 |
| Instrument Date | Jul 6, 2018 |
| Instrument | 283065 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2018 |
| Title Company | LAWYERS TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $1,251.80 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 60 VALLEY CT ATHERTON CA 940276472, ATHERTON, CA 94027-6472 |
The 2025 property tax bill for 731 Diamond St was $15,481.
Source: San Diego County assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Diego County |
| Municipality | San Diego City |
| Unified School District | San Diego City Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,258,649 (+2%) Land $1,004,712 Building $253,937 | |
| 2025 | $15,481.00 | $1,233,970 Land $985,012 Building $248,958 |
| 2023 | $14,569.00 (+2.73%) | $1,186,056 Land $946,764 Building $239,292 |
| 2022 | $14,182.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 731 Diamond St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 3, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone VE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 1 (2011) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2011 · rainfall accumulation |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 731 Diamond St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF SAN DIEGO serves 1,408,937 people · EPA ID CA3710020 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Mar 2024 |
| Lead | Under 1 ppb (2024–2026) 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 558 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
May also be available: T-Mobile, Verizon.
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