Boulder County property record for 3390 4th St, Boulder, CO 80304 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 2,480 sqft · built 1964 |
| Lot Size | 0.171 acres (7,441 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,250,000 (Dec 2021) |
| Tax Bill | $10,735 (2025) |
| Deeds & Mortgages | May 2022 Mortgage Dec 2021 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-24-1-00-085 |
| Primary APN | 1461-24-1-00-085 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,480 sqft Living Area |
| Gross Area | 3,136 sqft |
| 1st Floor Area | 1,412 sqft |
| Basement Area | 1,424 sqft |
| Finished Basement | 1,068 sqft |
| Unfinished Basement | 356 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,441 sqft (0.171 acres) |
| Garage Type | Attached |
| Garage Area | 300 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 168 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0007942 |
|---|---|
| Street Address | 3390 4TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-1766 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TR 390 A1C 24-1N-71 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | TR, NBR 128,158,172-178 FOOTHILLS |
| Legal Tract | 390 |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-24-1-00-085
Assessment roll updated June 15, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 3390 4TH ST, BOULDER, CO 80304-1766 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 10, 2022 | Deed of Trust, Mortgage · Conventional Mortgage FIRSTBANK |
| Dec 06, 2021 | Re-recorded Document FIDELITY NATIONAL TITLE |
| Sep 07, 2021 | Warranty Deed, Transfer · Closed-End Mortgage FIRSTBANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 06, 2021 · Amount on Record |
| Deed Sale | Dec 06, 2021 · Amount on Record |
| Prior Sale | Sep 07, 2021 · Amount on Record |
| Deed Document Number | 20213932584 |
| Prior Transfer Date | Sep 02, 2021 |
| Prior Transfer Doc | 0003932584 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3390 4TH ST, BOULDER, CO 80304-1766 |
| Transaction Type | Mortgage |
| Record Updated | May 25, 2022 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO |
| Name | Verified Name |
|---|---|
| Address | 755 TERRAOE CIRCLE S, BOULDER, CO 80304-4712 |
| Document Number | 0003961326 |
|---|---|
| Date | May 10, 2022 |
| Instrument | 3961326 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80215 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.62% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Jun 01, 2029 |
| Change Frequency | Annually |
| Min Rate At Change | 3.12% |
| Max Rate At Change | 6.62% |
| Index | 1-Year CMT |
| Max Rate | 8.62% |
| Document Type | Re-recorded Document |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 06, 2021 |
| Property Address | 3390 4TH ST, BOULDER, CO 80304-1766 |
| Document Number | 0003932584 |
| Instrument Date | Sep 02, 2021 |
| Instrument | 3932584 |
| Record Updated | Mar 31, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3390 4TH ST, BOULDER, CO 80304-1766 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 07, 2021 |
| Property Address | 3390 4TH ST, BOULDER, CO 80304-1766 |
| Document Number | 0003911822 |
| Instrument Date | Sep 02, 2021 |
| Instrument | 3911822 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $125.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3390 4TH ST, BOULDER, CO 80304-1766 |
| Document Number | 0003911823 |
|---|---|
| Date | Sep 07, 2021 |
| Instrument | 3911823 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80215 |
| Type | Closed-End Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Sep 01, 2022 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $122,502 (+8.8%) Land $101,782 Building $20,720 | $1,801,500 (-) Land $1,496,800 Building $304,700 | |
| 2025 | $10,735.00 (+17.71%) | $112,594 (+3.02%) Land $93,550 Building $19,044 | $1,801,500 (+10.43%) Land $1,496,800 Building $304,700 |
| 2023 | $9,120.00 (+20.38%) | $109,298 (+33.97%) Land $103,683 Building $5,615 | $1,631,300 (+38.96%) Land $1,547,500 Building $83,800 |
| 2022 | $7,576.00 | $81,586 Land $73,427 Building $8,159 | $1,173,900 Land $1,056,510 Building $117,390 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121012, 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 |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 63 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 63 in force 54 of 63 on primary residences |
| Nearby Flood Claims | 25 (1990–2026) |
| Claims Outside the SFHA | 17 of 25 |
| Most Recent Claim | Jun 2026, rainfall accumulation |
| Flood Events |
|
| Wildfire Risk | High above 76% of the US · above 76% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 180 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
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