Contra Costa County property record for 850 Deer Spring Cir, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,206 sqft · built 2003 |
| Lot Size | 0.19 acres (8,272 sqft) |
| Owner | Company Name on File |
| Last Sale | $755,500 (May 2004) |
| Tax Bill | $12,780 (2025) |
| Deeds & Mortgages | Aug 2023 Transfer Mar 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 121-370-022 |
| Primary APN | 121-370-022 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 3,206 sqft Living Area |
| 1st Floor Area | 1,782 sqft |
| 2nd Floor Area | 1,424 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | Cluster |
| Lot Area | 8,272 sqft (0.19 acres) |
| Garage Type | Attached |
| Garage Area | 630 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 850 DEER SPRING CIR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-5413 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8031 L239 |
| Legal Subdivision | SUBDIVISION 80371 |
| Legal Tract | 8031 |
| Legal Lot Number | 239 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 355309 |
Source: Contra Costa County records · APN 121-370-022
Assessment roll updated July 14, 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 | Company Name on File |
|---|---|
| Mailing Address | 850 DEER SPRING CIR, CONCORD, CA 94521-5413 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Aug 08, 2023 | Intrafamily Transfer, Transfer |
| Mar 04, 2021 | Deed of Trust, Mortgage · Conventional Mortgage IMC MORTGAGE CORP |
| Jun 08, 2020 | Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION |
| Dec 08, 2019 | Deed of Trust, Mortgage · Conventional Mortgage CASHCALL |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 03, 2004 · Amount on Record |
| Deed Sale | May 03, 2004 · Amount on Record |
| Deed Document Number | 2004161457 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 08, 2023 |
| Property Address | 850 DEER SPRING CIR, CONCORD, CA 94521-5413 |
| Document Number | 0000075736 |
| Map Reference | MB 393 PG 6 |
| Instrument Date | Jul 26, 2023 |
| Instrument | 2023-075736 |
| Transaction Type | Transfer |
| Record Updated | Aug 17, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Living Trust |
| Address | 850 DEER SPRING CIR, CONCORD, CA 94521-5413 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 850 DEER SPRING CIR, CONCORD, CA 94521-5413 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | BNT TITLE COMPANY OF CA |
| Name | Verified Name |
|---|---|
| Address | 850 DEER SPRING CIR, CONCORD, CA 94521-5413 |
| Document Number | 0000066334 |
|---|---|
| Date | Mar 04, 2021 |
| Instrument | 2021-066334 |
| Name | IMC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92612 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Mar 01, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 850 DEER SPRING CIR, CONCORD, CA 94521-5413 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | ORANGE COAST TITLE SAN JOSE |
| Name | Verified Name |
|---|
| Document Number | 0000108395 |
|---|---|
| Date | Jun 08, 2020 |
| Instrument | 2020-108395 |
| Name | OWNING CORPORATION |
|---|---|
| Type | Non-Lending Institution |
| Address | ORANGE, CA 92868 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Jun 01, 2045 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 850 DEER SPRING CIR, CONCORD, CA 94521-5413 |
| Document Number | 0000228773 |
| Instrument Date | Dec 08, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jan 03, 2020 |
| Title Company | BNT TITLE COMPANY/CA, BNT TITLE CO/CA |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 850 DEER SPRING CIR CONCORD CA 945215413, CONCORD, CA 94521-5413 |
| Document Number | 0000228773 |
|---|---|
| Date | Dec 20, 2019 |
| Instrument | 228773 |
| Name | CASHCALL |
|---|---|
| Type | Funding / Finance Company |
| Address | IRVINE, CA 92612 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Dec 19, 2044 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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 | $1,095,048 (+2%) Land $478,566 Building $616,482 | |
| 2025 | $12,780.00 (+4.31%) Homeowner's exemption | $1,073,578 (+4.04%) Land $469,183 Building $604,395 |
| 2023 | $12,252.00 (+1.18%) Homeowner's exemption | $1,031,892 Land $450,965 Building $580,927 |
| 2022 | $12,109.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | High above 86% of the US · above 67% of California |
|---|---|
| Wildfire Likelihood | 1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Unwired, Verizon.
Based on FCC filings for 212 locations within half a mile of this property.
5G and 4G LTE (outdoors only)
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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