Sonoma County property record for 421 H St, Petaluma, CA 94952 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,943 sqft · built 1906 |
| Lot Size | 0.113 acres (4,920 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,533 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 008-264-002-000 |
| Primary APN | 008-264-002-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,943 sqft Living Area |
| 1st Floor Area | 1,943 sqft |
| Basement Area | 1,004 sqft |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,920 sqft (0.113 acres) |
| Garage Area | 400 sqft |
| Cooling System | HVAC |
|---|
| Street Address | 421 H ST |
|---|---|
| City | PETALUMA |
| State | CA |
| Zip | 94952-5109 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PTNS LOTS 5 & 6 BLK 41 PT OF EASTERN EXTENSION |
| Legal Subdivision | EASTERN EXT |
| Legal Block | 41 |
| Legal Lot Number | 5,6 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 150701 |
Source: Sonoma County records · APN 008-264-002-000
Assessment roll updated April 13, 2026 · Last verified April 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 | 150 QUEENS LN, PETALUMA, CA 94952-1024 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Feb 03, 2009 |
| Transfer Doc | 0000008746 |
| Record Updated | Jun 08, 2026 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $2,533.00 (+12.18%) | $203,319 (+4.04%) Land $103,671 Building $99,648 |
| 2023 | $2,258.00 (+0.8%) | $195,427 Land $99,647 Building $95,780 |
| 2022 | $2,240.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971507012, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 13 (1980–1998) |
| Claims Outside the SFHA | 4 of 13 |
| Most Recent Claim | Feb 1998, rainfall accumulation, Severe Winter Storms And Flooding |
| Claims By Storm |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 724 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T, T-Mobile USA, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures