Boulder County property record for 3223 4th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,480 sqft · built 1920 |
| Lot Size | 0.177 acres (7,711 sqft) |
| Owner | Individual Name on File |
| Last Sale | $155,000 (Dec 1986) |
| Tax Bill | $9,814 (2025) |
| Deeds & Mortgages | Nov 2025 Line of Credit Dec 2020 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-24-3-12-002 |
| Primary APN | 1461-24-3-12-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,480 sqft Living Area |
| 1st Floor Area | 1,068 sqft |
| Upper Floors Area | 412 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,711 sqft (0.177 acres) |
| Garage Type | Detached |
| Garage Area | 672 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 442 sqft |
| Deck Area | 376 sqft |
| Patio Area | 767 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0065907 |
|---|---|
| Street Address | 3223 4TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-2104 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 NEWLAND REPLAT A |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | NEWLAND ADD REPLAT A - BO |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-24-3-12-002
Assessment roll updated June 15, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 3223 4TH ST, BOULDER, CO 80304-2104 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 25, 2025 | Deed of Trust, Mortgage · Line of Credit ZB NA |
| Dec 30, 2020 | Deed of Trust, Mortgage · Conventional Mortgage ZB NA |
| Jul 02, 2019 | Deed of Trust, Mortgage · Conventional Mortgage ZB NA |
| May 08, 2018 | Deed of Trust, Mortgage · Line of Credit VECTRA BK/CO |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 10, 1986 · Amount on Record |
| Deed Sale | Dec 10, 1986 · Amount on Record |
| Prior Sale | Apr 08, 1983 |
| Deed Document Number | 1986811194 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3223 4TH ST, BOULDER, CO 80304-2104 |
| Transaction Type | Mortgage |
| Record Updated | Dec 19, 2025 |
| Name | Verified Name |
|---|---|
| Address | 3223 4TH ST, BOULDER, CO 80304-2104 |
| Document Number | 0004111061 |
|---|---|
| Date | Nov 25, 2025 |
| Instrument | 4111061 |
| Name | ZB NA |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80304 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 17, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3223 4TH ST, BOULDER, CO 80304-2104 |
| Transaction Type | Mortgage |
| Record Updated | Mar 31, 2022 |
| Title Company | HOMESTEAD TITLE & ESCROW |
| Name | Verified Name |
|---|
| Document Number | 0003846819 |
|---|---|
| Date | Dec 30, 2020 |
| Instrument | 3846819 |
| Name | ZB NA |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80222 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 61 Months |
| Due | Jan 01, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3223 4TH ST, BOULDER, CO 80304-2104 |
| Transaction Type | Mortgage |
| Record Updated | Mar 31, 2022 |
| Title Company | HOMESTEAD TITLE & ESCROW |
| Name | Verified Name |
|---|
| Document Number | 0003721810 |
|---|---|
| Date | Jul 02, 2019 |
| Instrument | 3721810 |
| Name | ZB NA |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80222 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jul 01, 2034 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3223 4TH ST, BOULDER, CO 80304-2104 |
| Document Number | 0003658233 |
| Instrument Date | May 08, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jun 12, 2018 |
| Title Company | TITLE SERVICE AND LIAISON COMPANIES |
| Name | Verified Name |
|---|---|
| Address | 3223 4TH ST BOULDER CO 803042104, BOULDER, CO 80304-2104 |
| Document Number | 0003658233 |
|---|---|
| Date | Jun 01, 2018 |
| Instrument | 3658233 |
| Name | VECTRA BK/CO |
|---|---|
| Type | Bank |
| Address | 2696 BROADWAY ST, BOULDER, CO 80304-3542 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 31, 2048 |
| Rate Type | Adjustable Rate |
|---|
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $118,790 (+8.8%) Land $103,612 Building $15,178 | $1,746,900 (-) Land $1,523,700 Building $223,200 | |
| 2025 | $9,814.00 (+0.67%) | $109,181 (-11.44%) Land $95,231 Building $13,950 | $1,746,900 (-5.06%) Land $1,523,700 Building $223,200 |
| 2023 | $9,749.00 (+24.68%) | $123,280 (+35.24%) Land $105,545 Building $17,735 | $1,840,000 (+40.29%) Land $1,575,300 Building $264,700 |
| 2022 | $7,819.00 | $91,157 Land $75,797 Building $15,360 | $1,311,600 Land $1,090,600 Building $221,000 |
Source: FEMA National Flood Hazard Layer as of October 14, 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 |
| Flood Insurance Cost | Premium on Record median of 63 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 63 in force |
| Nearby Flood Claims | 25 (1990–2026) |
| Claims Outside the SFHA | 17 of 25 |
| Most Recent Claim | Jun 2026 · rainfall accumulation |
| Claims by Event |
|
| Wildfire Risk | High above 77% of the US · above 78% of Colorado |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| 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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Lumen Technologies Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile USA.
Based on FCC filings for 431 locations within half a mile of this property.
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 | CITY OF BOULDER serves 166,080 people |
|---|---|
| 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 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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