San Francisco City property record for 640 23rd Ave, San Francisco, CA 94121
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,365 sqft · built 1921 |
| Lot Size | 0.001 acres (30 sqft) |
| Owner | Company Name on Record |
| Last Sale | $970,000 (Oct 2008) |
| Tax Bill | $15,580 (2025) |
| Deeds & Mortgages | May 2021 Mortgage May 2021 Transfer |
| APN | 1622-029A |
| Primary APN | 1622-029A |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,365 sqft Living Area |
| 1st Floor Area | 1,365 sqft |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1921 |
| Construction Type | Frame |
| Lot Area | 30 sqft (0.001 acres) |
| Lot Dimensions | 120 ft deep x 25 ft wide |
| Street Address | 640 23RD AVE |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94121-3709 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH2 |
| Legal Description | BLK 359 |
| Legal Subdivision | OUTSIDE LAND BL #359 |
| Legal Block | 1622 |
| Legal Lot Number | 29A |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | RICHMOND-PRESIDIO-MARINA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 47702 |
Source: San Francisco City records, as of September 8, 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 Record |
|---|---|
| Mailing Address | 640 23RD AVE, SAN FRANCISCO, CA 94121-3709 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| May 13, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| May 13, 2021 | Intrafamily Transfer, Transfer AMROCK INC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 31, 2008 · Amount on Record |
| Deed Sale | Oct 31, 2008 · Amount on Record |
| Prior Sale | Sep 12, 2003 · Amount on Record |
| Deed Document Number | 2008673545 |
| Deed Book / Page | 759 / 15 |
| Last Transfer Date | Mar 26, 2021 |
| Transfer Doc | 2021079806 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | May 13, 2021 |
| Property Address | 640 23RD AVE, SAN FRANCISCO, CA 94121-3709 |
| Document Number | 2021079806 |
| Instrument Date | Mar 26, 2021 |
| Instrument | 2021079806 |
| Transaction Type | Transfer |
| Record Updated | Jun 3, 2021 |
| Title Company | AMROCK INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 640 23RD AVE, SAN FRANCISCO, CA 94121-3709 |
| Document Number | 2021079807 |
|---|---|
| Date | May 13, 2021 |
| Instrument | 2021079807 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Apr 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN FRANCISCO CA |
| Recording Date | May 13, 2021 |
| Property Address | 640 23RD AVE, SAN FRANCISCO, CA 94121-3709 |
| Document Number | 2021079808 |
| Instrument Date | Mar 26, 2021 |
| Instrument | 2021079808 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | AMROCK INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 640 23RD AVE, SAN FRANCISCO, CA 94121-3709 |
Source: San Francisco City assessment roll, as of September 8, 2026
| Type | Name |
|---|---|
| State | California |
| County / Municipality | San Francisco City |
| Unified School District | San Francisco Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,274,114 (+2%) Land $891,880 Building $382,234 | |
| 2025 | $15,580.00 (+2.95%) | $1,249,111 (+4.04%) Land $874,382 Building $374,729 |
| 2024 | $15,134.00 (+1.54%) | |
| 2023 | $14,905.00 (+1.96%) | $1,200,609 Land $840,430 Building $360,179 |
| 2022 | $14,618.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
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 | SFPUC CITY DISTRIBUTION DIVISION serves 848,019 people · EPA ID CA3810011 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2023 |
| Lead | Under 1 ppb (2022–2024) 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 1,076 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 |
| Xfinity Cable | 1,200 / 35 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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