Marin County property record for 159 Porteous Ave, Fairfax, CA 94930 · Last verified August 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 1975 |
| Square Footage | 2,419 sqft Living Area |
| Lot Size | 7,040 sqft (0.162 acres) |
| Garage | 536 sqft |
| Last Sale | $1,600,000 (2026) |
| Tax Bill | $14,691.00 (2025) |
| Primary APN | 002-161-36 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Units | 2 Units |
| Building Area | 2,419 sqft Living Area |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Duplex Single Style |
| Exterior Material | Wood Siding Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable Roof Construction |
| Roof Material | Composition Shingle Roof |
| Lot Area | 7,040 sqft (0.162 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Area | 536 sqft Garage |
| Deck Area | 156 sqft Deck |
| Patio Area | 156 sqft Patio |
| Heating System | Floor/Wall Furnace Heating |
|---|
| Street Address | 159 PORTEOUS AVE |
|---|---|
| City | FAIRFAX |
| State | CA |
| Zip | 94930-2034 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | REC OF SURVEY 15 PG 8 |
| Jurisdiction | MARIN CA |
| Minor Civil Division | ROSS VALLEY |
| Census Blockgroup | 1 |
| Census Block | 1032 |
| Census Tract | 114100 |
Source: Marin County records · APN 002-161-36
Assessment roll updated July 13, 2026 · Last verified August 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 | 139 CENTER ST, SAN RAFAEL, CA 94901-1717 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Jun 23, 2026 | Grant Deed, Transfer FIRST AMERICAN TITLE |
| Dec 29, 2021 | Intrafamily Transfer, Transfer |
| Dec 29, 2021 | Intrafamily Transfer, Transfer |
| Dec 01, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 23, 2026 · Amount on Record |
| Deed Sale | Jun 23, 2026 · Amount on Record |
| Deed Doc Number | 202618335 |
| Prior Transfer Date | Nov 12, 2021 |
| Prior Transfer Doc | 0000070839 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jun 23, 2026 |
| Property Address | 159 PORTEOUS AVE, FAIRFAX, CA 94930-2034 |
| Document Number | 0000018335 |
| Instrument Date | Jun 18, 2026 |
| Instrument | 202618335 |
| Transaction Type | Transfer |
| Record Updated | Jun 30, 2026 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $177,760.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 139 CENTER ST, SAN RAFAEL, CA 94901-1717 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 29, 2021 |
| Property Address | 159 PORTEOUS AVE, FAIRFAX, CA 94930-2034 |
| Document Number | 0000075241 |
| Map Reference | VOL 15 PG 8 |
| Instrument Date | Dec 17, 2021 |
| Instrument | 2021-0075241 |
| Transaction Type | Transfer |
| Record Updated | Jan 11, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property (Marital Community) with Rights of Survivorship |
| Address | 403 OAKCREST RD, SAN ANSELMO, CA 94960-1219 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 29, 2021 |
| Property Address | 159 PORTEOUS AVE, FAIRFAX, CA 94930-2034 |
| Document Number | 0000075242 |
| Map Reference | VOL 15 PG 8 |
| Instrument Date | Dec 17, 2021 |
| Instrument | 2021-0075242 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 403 OAKCREST RD, SAN ANSELMO, CA 94960-1219 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 01, 2021 |
| Property Address | 159 PORTEOUS AVE, FAIRFAX, CA 94930-2034 |
| Document Number | 0000070839 |
| Map Reference | VOL 15 PG 8 |
| Instrument Date | Nov 12, 2021 |
| Instrument | 2021-0070839 |
| Transaction Type | Transfer |
| Record Updated | Dec 15, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants In Common |
| Address | 403 OAKCREST RD, SAN ANSELMO, CA 94960-1219 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Fairfax Town |
| Elementary School District | Ross Valley Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $925,655 (+2%) Land $449,575 Building $476,080 | |
| 2025 | $14,691.00 (+5.02%) Homeowner's exemption | $907,506 (+4.04%) Land $440,761 Building $466,745 |
| 2023 | $13,989.00 (-6.43%) Homeowner's exemption | $872,272 Land $423,648 Building $448,624 |
| 2022 | $14,950.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Special Flood Hazard Area | No |
| Wildfire Risk | Moderate above 65% of the US · above 40% of California |
|---|---|
| Wildfire Likelihood | About 1 in 549 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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