Marin County property record for 12 Upper Ames Ave, Ross, CA 94957 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 6 Beds |
| Bathrooms | 8.5 Baths |
| Year Built | Built 2000 |
| Square Footage | 6,969 sqft Living Area |
| Lot Size | 1.37 acres |
| Occupancy | Owner Occupied |
| Last Sale | $16,350,000 (2026) |
| Tax Bill | $221,724.00 (2025) |
| Primary APN | 073-181-21 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 8.5 Baths |
| Partial Baths | 1 Partial Baths |
| Building Area | 6,969 sqft Living Area |
| Basement Area | 332 sqft Basement |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Contemporary Style |
| Lot Area | 59,904 sqft |
| Parking Spaces | 3 Parking Spaces |
| Garage Area | 732 sqft Garage |
| Deck Area | 600 sqft Deck |
| Patio Area | 720 sqft Patio |
| Heating System | Central Heating |
|---|
| Street Address | 12 UPPER AMES AVE |
|---|---|
| City | ROSS |
| State | CA |
| Zip | 94957-9688 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MAP C2 586 |
| Legal Subdivision | WORDSWORTH WOOD |
| Legal Lot Number | 9 |
| Jurisdiction | MARIN CA |
| Minor Civil Division | ROSS VALLEY |
| Census Blockgroup | 2 |
| Census Block | 2005 |
| Census Tract | 118100 |
Source: Marin County records · APN 073-181-21
Assessment roll updated July 13, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 12 UPPER AMES AVE, ROSS, CA 94957-9688 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Apr 17, 2026 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK N A |
| Feb 11, 2026 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Apr 18, 2022 | Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 11, 2026 · Amount on Record |
| Deed Sale | Feb 11, 2026 · Amount on Record |
| Prior Sale | Apr 18, 2022 · Amount on Record |
| Deed Doc Number | 20263060 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Apr 17, 2026 |
| Property Address | 12 UPPER AMES AVE, ROSS, CA 94957-9688 |
| Document Number | 0000011293 |
| Instrument Date | Apr 13, 2026 |
| Instrument | 202611293 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMP |
| Name | Verified Name |
|---|---|
| Relationship | Community Property, 149 |
| Address | 12 UPPER AMES AVE, ROSS, CA 94957-9688 |
| Investor | Possibly a Property Investor |
| Document Number | 0000011293, |
|---|---|
| Date | Apr 17, 2026 |
| Instrument | 202611293 |
| Name | JPMORGAN CHASE BANK N A |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 01, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.13% |
| Initial Type | Adjustable Rate |
| Adjustable | Document includes a rider for adjustable-rate mortgage with a specific rate change date. |
| Max Rate | -1% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Feb 11, 2026 |
| Property Address | 12 UPPER AMES AVE, ROSS, CA 94957-9688 |
| Document Number | 0000003060 |
| Instrument Date | Feb 05, 2026 |
| Instrument | 2026-0003060 |
| Transaction Type | Transfer |
| Record Updated | Feb 26, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $17,985.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property (Marital Community) with Rights of Survivorship |
| Address | 12 UPPER AMES AVE, ROSS, CA 94957-9688 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Apr 18, 2022 |
| Property Address | 12 UPPER AMES AVE, ROSS, CA 94957-9688 |
| Document Number | 0000016214 |
| Map Reference | MB 5 PG 23 |
| Instrument Date | Apr 13, 2022 |
| Instrument | 2022-0016214 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $19,800.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 34 MAPLE ST, SAN FRANCISCO, CA 94118-1816 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Ross Town |
| Elementary School District | Ross 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 | $19,483,560 (+2%) Land $8,659,360 Building $10,824,200 | |
| 2025 | $221,724.00 (+4.72%) | $19,101,600 (+4.04%) Land $8,489,600 Building $10,612,000 |
| 2023 | $211,732.00 (+76.12%) | $18,360,000 Land $8,160,000 Building $10,200,000 |
| 2022 | $120,217.00 |
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 | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Low above 32% of the US · above 19% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,941 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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