Boulder County property record for 3800 Spring Valley Rd, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 5,520 sqft · built 2007 |
| Lot Size | 0.478 acres (20,810 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $5,400,000 (Aug 2022) |
| Tax Bill | $27,203 (2025) |
| Deeds & Mortgages | Aug 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-3-15-002 |
| Primary APN | 1461-13-3-15-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 5 Half Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 5,520 sqft Living Area |
| Gross Area | 6,896 sqft |
| 1st Floor Area | 2,014 sqft |
| Upper Floors Area | 2,253 sqft |
| Basement Area | 1,996 sqft |
| Finished Basement | 1,253 sqft |
| Unfinished Basement | 743 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 20,810 sqft (0.478 acres) |
| Garage Type | Attached |
| Garage Area | 633 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 116 sqft |
| Deck Area | 168 sqft |
| Patio Area | 618 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0511543 |
|---|---|
| Street Address | 3800 SPRING VALLEY RD |
| City | BOULDER |
| State | CO |
| Zip | 80304-1009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR |
| Legal Description | LOT 2B SPRING VALLEY ESTATES REPLAT B |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 13 |
| Legal Subdivision | SPRING VALLEY ESTATES REPLAT B |
| Legal Tract | 1 |
| Legal Block | 2 |
| Legal Lot Number | 2B |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 12104 |
3800 Spring Valley Rd is owned and occupied by two individuals who bought it in August 2022.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3800 SPRING VALLEY RD, BOULDER, CO 80304-1009 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 11, 2022 · Amount on File |
| Deed Sale | Aug 11, 2022 · Amount on File |
| Prior Sale | Jul 2, 2012 · Amount on File |
| Deed Document Number | 20223976412 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 11, 2022 |
| Property Address | 3800 SPRING VALLEY RD, BOULDER, CO 80304-1009 |
| Document Number | 0003976412 |
| Instrument Date | Aug 8, 2022 |
| Instrument | 3976412 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | HERITAGE TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $540.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 711 LAKE AVE, WILMETTE, IL 60091-1723 |
| Document Number | 0003976414 |
|---|---|
| Date | Aug 11, 2022 |
| Instrument | 3976414 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.5% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Sep 1, 2029 |
| Change Frequency | Monthly |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 9.5% |
| Index | 1-Year LIBOR |
| Max Rate | 9.5% |
The 2025 property tax bill for 3800 Spring Valley Rd was $27,203.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $296,385 (+8.35%) Land $127,480 Building $168,905 | $4,428,600 (+1.19%) Land $1,944,700 Building $2,483,900 | |
| 2025 | $27,203.00 | $273,544 Land $121,544 Building $152,000 | $4,376,700 Land $1,944,700 Building $2,432,000 |
| 2023 | $29,343.00 (+32.04%) | $328,073 (+43.15%) Land $132,158 Building $195,915 | $4,896,600 (+48.49%) Land $1,972,500 Building $2,924,100 |
| 2022 | $22,222.00 | $229,183 Land $102,992 Building $126,191 | $3,297,600 Land $1,481,900 Building $1,815,700 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 3800 Spring Valley Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 20 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 8 (1991–2025) |
| Claims Outside the SFHA | 7 of 8 |
| Most Recent Claim | May 2025 · other causes |
| Claims by Event |
|
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.
Wildfire risk around 3800 Spring Valley Rd is high, ranking above 81% of the US, with a 0.7% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 81% of the US · above 83% of Colorado |
|---|---|
| Wildfire Likelihood | 0.7% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | SPRING VALLEY MUTUAL WA private · serves 100 people · EPA ID CO0107719 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Also Mapped Here | CITY OF BOULDER |
| Lead | Under 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Dec 2018 |
| 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 132 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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