Sonoma County property record for 508 Upham St, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,158 sqft · built 1948 |
| Lot Size | 0.094 acres (4,085 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,050,000 (Jun 2024) |
| Tax Bill | $12,210 (2025) |
| Deeds & Mortgages | Mar 2024 Mortgage Dec 2021 Mortgage + 4 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 006-312-053-000 |
| Primary APN | 006-312-053-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,158 sqft Living Area |
| 1st Floor Area | 1,158 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1995 |
| Construction Type | Wood |
| Lot Area | 4,085 sqft (0.094 acres) |
| Garage Type | Detached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Old Parcel Number | 006-312-053 |
|---|---|
| Street Address | 508 UPHAM ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-2653 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 95 FM 6-312-18 & 27 OR 94107407 |
| Legal Subdivision | STRATTONS OFFICIAL MAP |
| Legal Block | 1 |
| Legal Lot Number | 447 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 150800 |
508 Upham St is owned and occupied by an individual who bought it in June 2024.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 508 UPHAM ST, PETALUMA, CA 94952-2653 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Man |
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 |
|---|---|
| Mar 22, 2024 | Deed of Trust, Mortgage · Commercial Mortgage MOONSTONE ASSOCIATIONS LLC |
| Dec 22, 2021 | Deed of Trust, Mortgage · Conventional Mortgage HOME POINT FINANCIAL CORPORATION |
| Oct 28, 2021 | Grant Deed, Transfer FIRST AMERICAN TITLE COMPANY |
| Oct 14, 2021 | Intrafamily Transfer, Transfer FIRST AMERICAN TITLE, FIRST AMERICAN TITLE SOCAL |
| Oct 14, 2021 | Intrafamily Transfer, Transfer FIRST AMERICAN TITLE, FIRST AMERICAN TITLE SOCAL |
| Oct 14, 2021 | Grant Deed, Transfer FIRST AMERICAN TITLE, FIRST AMERICAN TITLE SOCAL |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 11, 2024 · Amount on File |
| Deed Sale | Jun 11, 2024 · Amount on File |
| Prior Sale | Oct 28, 2021 · Amount on File |
| Deed Document Number | 202425243 |
| Prior Transfer Date | Jul 21, 2005 |
| Prior Transfer Doc | 0000112267 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 508 UPHAM ST, PETALUMA, CA 94952-2653 |
| Transaction Type | Mortgage |
| Record Updated | Apr 10, 2024 |
| Title Company | WFT NATIONAL TITLE, WFG NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000012189 |
|---|---|
| Date | Mar 22, 2024 |
| Instrument | 2024012189 |
| Name | MOONSTONE ASSOCIATIONS LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | NOVATO, CA 94945 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 13 Months |
| Due | Apr 1, 2025 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 508 UPHAM ST, PETALUMA, CA 94952-2653 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | PO BOX 596, PETALUMA, CA 94953-0596 |
| Document Number | 0000138022 |
|---|---|
| Date | Dec 22, 2021 |
| Instrument | 2021138022 |
| Name | HOME POINT FINANCIAL CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | ANN ARBOR, MI 48105 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Oct 28, 2021 |
| Property Address | 508 UPHAM ST, PETALUMA, CA 94952-2653 |
| Document Number | 0000118194 |
| Instrument Date | Oct 26, 2021 |
| Instrument | 2021118194 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $2,170.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | PO BOX 596, PETALUMA, CA 94953-0596 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Oct 14, 2021 |
| Property Address | 508 UPHAM ST, PETALUMA, CA 94952-2653 |
| Document Number | 0000113569 |
| Instrument Date | Oct 7, 2021 |
| Instrument | 2021113569 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2022 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE SOCAL |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4095 MILLAGRA DR, FALLBROOK, CA 92028-8674 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Oct 14, 2021 |
| Property Address | 508 UPHAM ST, PETALUMA, CA 94952-2653 |
| Document Number | 0000113568 |
| Instrument Date | Oct 7, 2021 |
| Instrument | 2021113568 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2022 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE SOCAL |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4095 MILLAGRA DR, FALLBROOK, CA 92028-8674 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Oct 14, 2021 |
| Property Address | 508 UPHAM ST, PETALUMA, CA 94952-2653 |
| Document Number | 0000113570 |
| Instrument Date | Sep 22, 2021 |
| Instrument | 2021113570 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2022 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE SOCAL |
| Amount | Amount on Record |
|---|---|
| Tax | $2,325.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1001 K ST # 4TH, SACRAMENTO, CA 95814-3803 |
The 2025 property tax bill for 508 Upham St was $12,210.
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 | $1,081,710 (+2%) Land $432,684 Building $649,026 | |
| 2025 | $12,210.00 | $1,060,500 Land $424,200 Building $636,300 |
| 2023 | $7,856.00 (+0.86%) | $714,000 Land $285,600 Building $428,400 |
| 2022 | $7,789.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 508 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 508 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 99.1% of the US · lower than 99.2% 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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