San Mateo County property record for 523 Ruby St, Redwood City, CA 94062 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,250 sqft · built 1984 |
| Lot Size | 0.22 acres (9,600 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $359,000 (Jun 2016) |
| Tax Bill | $9,575 (2025) |
| Deeds & Mortgages | May 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 058-144-290 |
| Primary APN | 058-144-290 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,250 sqft Living Area |
| 1st Floor Area | 1,250 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Traditional |
| Roof Material | Composition Shingle |
| Lot Area | 9,600 sqft (0.22 acres) |
| Lot Dimensions | 120 ft deep x 80 ft wide |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 523 RUBY ST |
|---|---|
| City | REDWOOD CITY |
| State | CA |
| Zip | 94062-2231 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLOCK 8 NEW HIGH SCHOOL ACRES RSM 11/36 38 CITY OF REDWOOD CITY |
| Legal Subdivision | NEW HIGH SCHOOL ACRES |
| Legal Block | 8 |
| Legal Lot Number | 6 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 609800 |
Source: San Mateo County records · APN 058-144-290
Assessment roll updated July 15, 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 Company Names on File |
|---|---|
| Mailing Address | 523 RUBY ST, REDWOOD CITY, CA 94062-2231 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 14, 2016 · Amount on Record |
| Deed Sale | Jun 14, 2016 · Amount on Record |
| Prior Sale | Apr 29, 2011 · Amount on Record |
| Deed Document Number | 201657553 |
| Last Transfer Date | Apr 12, 2022 |
| Transfer Doc | 0000039822 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 12, 2022 |
| Property Address | 523 RUBY ST, REDWOOD CITY, CA 94062-2231 |
| Document Number | 0000039822 |
| Map Reference | MB 11 PG 36-38 |
| Instrument Date | Apr 12, 2022 |
| Instrument | 2022-039822 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 523 RUBY ST, REDWOOD CITY, CA 94062-2231 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | Redwood City |
| Elementary School District | Redwood City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $764,463 (+2%) Land $305,783 Building $458,680 | ||
| 2025 | $9,575.00 (+4.35%) | $749,475 (+4.04%) Land $299,788 Building $449,687 | |
| 2023 | $9,176.00 (+5.21%) | $720,374 Land $288,148 Building $432,226 | $1,360,710 |
| 2022 | $8,722.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816098001, 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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1996) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Mar 1996, rainfall accumulation |
| 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 787 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
May also be available at this address: Sonic Telecom, AT&T, T-Mobile USA, Radiate Holdings, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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