San Mateo County property record for 22 Rittenhouse Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,726 sqft · built 1950 |
| Lot Size | 0.332 acres (14,459 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $50,500 (Oct 2020) |
| Tax Bill | $45,276 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage Oct 2020 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 060-294-020 |
| Primary APN | 060-294-020 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,726 sqft Living Area |
| 1st Floor Area | 2,170 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 14,459 sqft (0.332 acres) |
| Lot Dimensions | 149 ft deep x 98 ft wide |
| Garage Type | Attached |
| Garage Area | 450 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 22 RITTENHOUSE AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3836 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R11A00 |
| Legal Description | LOT 2 BLOCK 2 LLOYDEN PARK RSM 16/29 30 TOWN OF ATHERTON |
| Legal Subdivision | LLOYDEN PARK |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 611500 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 22 RITTENHOUSE AVE, ATHERTON, CA 94027-3836 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 23, 2021 | Deed of Trust, Mortgage · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP |
| Oct 13, 2020 | Grant Deed, Transfer NOT AVAILABLE |
| May 8, 2018 | Grant Deed, Transfer · Conventional Mortgage BANK OF AMERICA NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 13, 2020 · Amount on Record |
| Deed Sale | Oct 13, 2020 · Amount on Record |
| Prior Sale | May 8, 2018 · Amount on Record |
| Deed Document Number | 2020109543 |
| Prior Transfer Date | Apr 9, 2001 |
| Prior Transfer Doc | 0000050730 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 22 RITTENHOUSE AVE, ATHERTON, CA 94027-3836 |
| Transaction Type | Mortgage |
| Record Updated | Jul 14, 2021 |
| Title Company | WFT NATIONAL TITLE, WFG NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 22 RITTENHOUSE AVE, ATHERTON, CA 94027-3836 |
| Document Number | 0000095614 |
|---|---|
| Date | Jun 23, 2021 |
| Instrument | 2021-095614 |
| Name | GENERAL MORTGAGE CAPITAL CORP |
|---|---|
| Type | Mortgage Company |
| Address | BURLINGAME, CA 94010 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 13, 2020 |
| Property Address | 22 RITTENHOUSE AVE, ATHERTON, CA 94027-3836 |
| Document Number | 0000109543 |
| Instrument Date | May 27, 2020 |
| Instrument | 109543 |
| Transaction Type | Transfer |
| Record Updated | Nov 13, 2020 |
| Title Company | NOT AVAILABLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $56.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 22 RITTENHOUSE AVE ATHERTON CA 940273836, ATHERTON, CA 94027-3836 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 8, 2018 |
| Property Address | 22 RITTENHOUSE AVE, ATHERTON, CA 94027-3836 |
| Document Number | 0000035558 |
| Map Reference | MB16 PG29&30 |
| Instrument Date | May 1, 2018 |
| Instrument | 2018-035558 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | LAWYERS TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 22 RITTENHOUSE AVE, ATHERTON, CA 94027-3836 |
| Document Number | 0000035559 |
|---|---|
| Date | May 8, 2018 |
| Instrument | 2018-035559 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2048 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Atherton Town |
| County | San Mateo County |
| Elementary School District | Redwood City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,111,093 (+2%) Land $3,523,798 Building $587,295 | ||
| 2025 | $45,276.00 (+2.82%) Homeowner's exemption | $4,030,486 (+4.04%) Land $3,454,705 Building $575,781 | |
| 2023 | $44,036.00 (+4.94%) Homeowner's exemption | $3,873,981 Land $3,320,556 Building $553,425 | $4,532,130 |
| 2022 | $41,964.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | 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 | CALIFORNIA WATER SERVICE - BEAR GULCH private · serves 60,382 people · EPA ID CA4110006 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | 4 ppb (2022–2024) 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 487 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, GeoLinks, Race Communications, Sonic Telecom.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures