Boulder County property record for 1509 23rd St, Boulder, CO 80302
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 8 bd · 5.5 ba · 3,336 sqft · built 1985 |
| Lot Size | 0.121 acres (5,283 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,850,000 (Jun 2024) |
| Tax Bill | $10,790 (2025) |
| Deeds & Mortgages | Jun 2020 Line of Credit |
| Flood Zone | Zone AO (high risk) |
| APN | 1463-30-8-58-001 |
| Primary APN | 1463-30-8-58-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 19 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 3,336 sqft Living Area |
| 1st Floor Area | 1,740 sqft |
| Upper Floors Area | 1,596 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 5,283 sqft (0.121 acres) |
| Porch | Porch |
| Porch Area | 118 sqft |
| Deck Area | 222 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0103291 |
|---|---|
| Street Address | 1509 23RD ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7694 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT A ACCENT SUB |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | ACCENT SUBDIVISION - BO |
| Legal Block | 1 |
| Legal Lot Number | A |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 12206 |
Source: Boulder County records, as of June 15, 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 | 494 MUIRFIELD CIR, LOUISVILLE, CO 80027-9597 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 17, 2024 · Amount on Record |
| Deed Sale | Jun 17, 2024 · Amount on Record |
| Prior Sale | May 1, 1991 |
| Deed Document Number | 20244050755 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1509 23RD ST, BOULDER, CO 80302-7694 |
| Transaction Type | Mortgage |
| Record Updated | Mar 31, 2022 |
| Title Company | HERITAGE TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0003792351 |
|---|---|
| Date | Jun 19, 2020 |
| Instrument | 3792351 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 85 Months |
| Due | Jul 5, 2027 |
Source: Boulder County assessment roll, as of June 15, 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 | $120,367 (+8.8%) Land $56,440 Building $63,927 | $1,770,100 (-) Land $830,000 Building $940,100 | |
| 2025 | $10,790.00 (-1.24%) | $110,631 (-11.72%) Land $51,875 Building $58,756 | $1,770,100 (-5.37%) Land $830,000 Building $940,100 |
| 2024 | $10,926.00 (+1.84%) | ||
| 2023 | $10,729.00 (+22.84%) | $125,324 (+36.76%) Land $60,401 Building $64,923 | $1,870,500 (+38.8%) Land $901,500 Building $969,000 |
| 2022 | $8,734.00 | $91,637 Land $44,445 Building $47,192 | $1,347,600 Land $653,600 Building $694,000 |
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 AO high risk · sheet flow 1–3 ft |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 101 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 174 units insured incl. 73 condo units |
| Nearby Flood Claims | 10 (2013) |
| Most Recent Claim | Oct 2013 · rainfall accumulation |
| 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 | Not rated no burnable land within 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 432 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 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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