Contra Costa County property record for 1631 Rio Blanco Dr, Concord, CA 94521 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1970 |
| Square Footage | 1,888 sqft Living Area |
| Lot Size | 8,200 sqft (0.188 acres) |
| Garage | Attached, 533 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $4,617.00 (2025) |
| Primary APN | 116-020-035-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Building Area | 1,888 sqft Living Area |
| Gross Area | 2,421 sqft Gross Area |
| 1st Floor | 1,888 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch Style |
| Exterior Material | Stucco Exterior |
| Construction Type | Frame Construction |
| Roof Material | Wood Shingle Roof |
| Lot Area | 8,200 sqft (0.188 acres) |
| Depth X Width | 100 ft x 82 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 533 sqft Garage |
| Deck Area | Deck Area |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 1631 RIO BLANCO DR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-2035 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 3617 LOT 4 |
| Legal Subdivision | SUBDIVISION 3617 |
| Legal Tract | 3617 |
| Legal Lot Number | 4 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2007 |
| Census Tract | 333101 |
Source: Contra Costa County records · APN 116-020-035-6
Assessment roll updated July 14, 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 | Individual Name on File |
|---|---|
| Mailing Address | 1631 RIO BLANCO DR, CONCORD, CA 94521-2035 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jan 01, 2025 |
| Transfer Doc | 0000001952 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $340,420 (+2%) Land $148,302 Building $192,118 | |
| 2025 | $4,617.00 (+5.22%) Homeowner's exemption | $333,746 (+4.04%) Land $145,395 Building $188,351 |
| 2023 | $4,388.00 (+1.74%) Homeowner's exemption | $320,788 Land $139,750 Building $181,038 |
| 2022 | $4,313.00 |
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