Boulder County property record for 3840 Baseline Rd, Boulder, CO 80303
| Property Type | Single Family Home |
|---|---|
| Details | 7 bd · 3 ba · 2,945 sqft · built 1955 |
| Lot Size | 0.668 acres (29,097 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $574,500 (Sep 2015) |
| Tax Bill | $6,076 (2025) |
| Deeds & Mortgages | Aug 2017 Transfer |
| Flood Zone | Zone AE (high risk) |
| APN | 1577-05-1-00-010 |
| Primary APN | 1577-05-1-00-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Stories | 1 Story |
| Building Area | 2,945 sqft Living Area |
| Gross Area | 3,561 sqft |
| 1st Floor Area | 2,945 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 29,097 sqft (0.668 acres) |
| Garage Type | Attached |
| Garage Area | 616 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 344 sqft |
| Deck Area | 146 sqft |
| Patio Area | 698 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0010142 |
|---|---|
| Street Address | 3840 BASELINE RD |
| City | BOULDER |
| State | CO |
| Zip | 80303-2501 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 2137-B 5-1S-70 PER DEED 1021218 1/2/90 BCR |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | TR, NBR 140, 150, 164, 166 |
| Legal Tract | 2137-B |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 12511 |
Source: Boulder County records, as of September 18, 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 Record |
|---|---|
| Mailing Address | 3840 BASELINE RD, BOULDER, CO 80303-2501 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 28, 2015 · Amount on Record |
| Deed Sale | Sep 28, 2015 · Amount on Record |
| Prior Sale | Feb 1, 1995 · Amount on Record |
| Deed Document Number | 20153476028 |
| Prior Transfer Date | Jan 25, 2002 |
| Prior Transfer Doc | 0002249108 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 18, 2017 |
| Property Address | 3840 BASELINE RD, BOULDER, CO 80303-2501 |
| Document Number | 0003609958 |
| Instrument Date | Aug 14, 2017 |
| Instrument | 3609958 |
| Transaction Type | Transfer |
| Record Updated | Sep 11, 2017 |
| Title Company | OTHER |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3840 BASELINE RD BOULDER CO 803032501, BOULDER, CO 80303-2501 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $64,580 (+1.33%) Land $57,646 Building $6,934 | $1,019,700 (-) Land $917,730 Building $101,970 | |
| 2025 | $6,076.00 (-1.84%) | $63,731 (-14.02%) Land $57,358 Building $6,373 | $1,019,700 (-7.83%) Land $917,730 Building $101,970 |
| 2024 | $6,190.00 (+1.78%) | ||
| 2023 | $6,082.00 (+16.27%) | $74,122 (+32.9%) Land $66,710 Building $7,412 | $1,106,300 (+37.86%) Land $995,670 Building $110,630 |
| 2022 | $5,231.00 | $55,773 Land $50,196 Building $5,577 | $802,500 Land $722,250 Building $80,250 |
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.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 15 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 5 (1982–2013) |
| Claims Outside the SFHA | 5 of 5 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 98.8% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 | CITY OF BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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.
Source: FCC Broadband Data Collection, based on 584 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: T-Mobile.
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