Sonoma County property record for 424 Upham St, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,062 sqft · built 1906 |
| Lot Size | 0.093 acres (4,040 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $8,337 (2025) |
| Deeds & Mortgages | Sep 2020 Transfer Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 006-312-010-000 |
| Primary APN | 006-312-010-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,062 sqft Living Area |
| 1st Floor Area | 1,062 sqft |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1926 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,040 sqft (0.093 acres) |
| Garage Area | 153 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 006-312-010 |
|---|---|
| Street Address | 424 UPHAM ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-2651 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Subdivision | BROADMOOR VILLAGE MAP NO 6 |
| Legal Block | 1 |
| Legal Lot Number | 447 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 150800 |
424 Upham St is held in a trust since January 2010.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 424 UPHAM ST, PETALUMA, CA 94952-2651 |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Sep 11, 2020 | Quit Claim Deed, Transfer FIRST AMERICAN TITLE |
| Sep 11, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 20, 2010 |
| Deed Sale | Jan 20, 2010 |
| Prior Sale | Mar 6, 2006 · Amount on File |
| Deed Document Number | 20104546 |
| Prior Transfer Date | Jan 12, 2010 |
| Prior Transfer Doc | 0000005075 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Sep 11, 2020 |
| Property Address | 424 UPHAM ST, PETALUMA, CA 94952-2651 |
| Document Number | 0000080951 |
| Instrument Date | Sep 3, 2020 |
| Instrument | 80951 |
| Transaction Type | Transfer |
| Record Updated | Oct 8, 2020 |
| Title Company | FIRST AMERICAN TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 424 UPHAM ST PETALUMA CA 949522651, PETALUMA, CA 94952-2651 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Sep 11, 2020 |
| Property Address | 424 UPHAM ST, PETALUMA, CA 94952-2651 |
| Document Number | 0000080949 |
| Instrument Date | Sep 3, 2020 |
| Instrument | 2020080949 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 424 UPHAM ST, PETALUMA, CA 94952-2651 |
| Document Number | 0000080950 |
|---|---|
| Date | Sep 11, 2020 |
| Instrument | 2020080950 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2050 |
The 2025 property tax bill for 424 Upham St was $8,337.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Petaluma City |
| Elementary School District | Petaluma City Elementary School District (KG - 06) |
| Secondary School District | Petaluma Joint Union High School District (07 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $731,790 (+2%) Land $557,560 Building $174,230 | |
| 2025 | $8,337.00 | $717,442 Land $546,628 Building $170,814 |
| 2023 | $7,593.00 (+0.86%) | $689,584 Land $525,402 Building $164,182 |
| 2022 | $7,528.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 424 Upham St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective February 15, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 424 Upham St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 PETALUMA serves 61,427 people · EPA ID CA4910006 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | Under 1 ppb (2021–2023) 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 714 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
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