Boulder County property record for 2237 4th St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4.25 ba · 3,490 sqft · built 2003 |
| Lot Size | 0.165 acres (7,198 sqft) |
| Owner | Company Name on Record |
| Last Sale | $2,180,000 (Sep 2025) |
| Tax Bill | $24,852 (2025) |
| Deeds & Mortgages | Sep 2025 Sale Sep 2025 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-3-04-015 |
| Primary APN | 1461-25-3-04-015 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4.25 Baths |
| Half Baths | 4 Half Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,490 sqft Living Area |
| Gross Area | 4,362 sqft |
| 1st Floor Area | 1,540 sqft |
| Upper Floors Area | 1,323 sqft |
| Basement Area | 819 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2015 |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,198 sqft (0.165 acres) |
| Garage Type | Attached |
| Garage Area | 680 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 120 sqft |
| Deck Area | 275 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Radiant |
| Account Number | R0502234 |
|---|---|
| Street Address | 2237 4TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-4710 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | LOT 27A BLK 1 MAPLETON PARK & VACATED STREET TO WEST PER LOT LINE ADJUSTMENT REC# 2278314 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON PARK - BO |
| Legal Block | 1 |
| Legal Lot Number | 27A |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 12101 |
Source: Boulder County records, as of October 16, 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 Record |
|---|---|
| Mailing Address | 5331 FLAGSTAFF RD, BOULDER, CO 80302-9580 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Sep 25, 2025 | Special Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Sep 29, 2025 | Special Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 29, 2025 · Amount on Record |
| Deed Sale | Sep 29, 2025 · Amount on Record |
| Prior Sale | Sep 25, 2025 · Amount on Record |
| Deed Document Number | 20254103598 |
| Prior Transfer Date | Sep 5, 2024 |
| Prior Transfer Doc | 0004061495 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 25, 2025 |
| Property Address | 2237 4TH ST, BOULDER, CO 80302-4710 |
| Document Number | 0004103584 |
| Map Reference | DOC 2278314 |
| Instrument Date | Sep 24, 2025 |
| Instrument | 4103584 |
| Transaction Type | Transfer |
| Record Updated | Oct 13, 2025 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $170.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 2237 4TH ST, BOULDER, CO 80302-4710 |
| Name | Verified Name |
|---|---|
| Address | 5751 DOC BAR CIR, SEDALIA, CO 80135-5044 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 29, 2025 |
| Property Address | 2237 4TH ST, BOULDER, CO 80302-4710 |
| Document Number | 0004103598 |
| Instrument Date | Sep 24, 2025 |
| Instrument | 4103598 |
| Transaction Type | Transfer |
| Record Updated | Oct 15, 2025 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $218.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 2237 4TH ST, BOULDER, CO 80302-4710 |
| Name | Verified Name |
|---|---|
| Address | 5331 FLAGSTAFF RD, BOULDER, CO 80302-9580 |
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 | $234,008 (-10.22%) Land $108,704 Building $125,304 | $3,511,300 (-15.8%) Land $1,668,600 Building $1,842,700 | |
| 2025 | $24,852.00 (+3.6%) | $260,644 (-4.51%) Land $104,288 Building $156,356 | $4,170,300 (+1%) Land $1,668,600 Building $2,501,700 |
| 2024 | $23,989.00 (+1.77%) | $272,965 (-1.33%) Land $101,586 Building $171,379 | $4,129,100 (-) Land $1,571,200 Building $2,557,900 |
| 2023 | $23,572.00 (+1.02%) | $276,649 (+10.09%) Land $105,270 Building $171,379 | $4,129,100 (+14.2%) Land $1,571,200 Building $2,557,900 |
| 2022 | $23,335.00 | $251,285 Land $79,835 Building $171,450 | $3,615,600 Land $1,148,700 Building $2,466,900 |
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 X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 12 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 16 units insured incl. 4 condo units |
| Nearby Flood Claims | 3 (2013) |
| Claims Outside the SFHA | 3 of 3 |
| 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 | High above 82% of the US · above 85% of Colorado |
|---|---|
| Wildfire Likelihood | 0.8% annual chance |
| Exposure | Direct burnable vegetation |
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 684 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 · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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