Boulder County property record for 1845 18th St, Boulder, CO 80302
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 5 bd · 3 ba · 1,556 sqft · built 1900 |
| Lot Size | 0.137 acres (5,985 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,520,000 (May 2019) |
| Tax Bill | $8,609 (2025) |
| Deeds & Mortgages | Sep 2022 Mortgage May 2019 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-30-8-09-018 |
| Primary APN | 1463-30-8-09-018 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Units | 3 Units |
| Stories | 2 Stories |
| Building Area | 1,556 sqft Living Area |
| Gross Area | 1,684 sqft |
| 1st Floor Area | 1,076 sqft |
| Upper Floors Area | 480 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1990 |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 5,985 sqft (0.137 acres) |
| Porch | Enclosed Porch |
| Porch Area | 188 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0511208 |
|---|---|
| Street Address | 1845 18TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-5571 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | N 1/2 OF W 40 FT OF LOT 9 CHAMBERLAINS ADDITION |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | CHAMBERLAINS - BO |
| Legal Block | 2 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 12205 |
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 | 1845 18TH ST, BOULDER, CO 80302-5571 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Date | Document |
|---|---|
| Sep 12, 2022 | Intrafamily Transfer, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA |
| May 23, 2019 | Warranty Deed, Transfer HERITAGE TITLE COMPANY, HERITAGE TITLE CO. |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 23, 2019 · Amount on Record |
| Deed Sale | May 23, 2019 · Amount on Record |
| Prior Sale | Oct 31, 2007 · Amount on Record |
| Deed Document Number | 20193713861 |
| Last Transfer Date | Sep 8, 2022 |
| Transfer Doc | 0003980638 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 12, 2022 |
| Property Address | 1845 18TH ST, BOULDER, CO 80302-5571 |
| Document Number | 0003980638 |
| Instrument Date | Sep 8, 2022 |
| Instrument | 3980638 |
| Transaction Type | Transfer |
| Record Updated | Sep 27, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1845 18TH ST, BOULDER, CO 80302-5571 |
| Document Number | 0003980639 |
|---|---|
| Date | Sep 12, 2022 |
| Instrument | 3980639 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.75% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Oct 1, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 8.75% |
| Index | Other |
| Max Rate | 8.75% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 23, 2019 |
| Property Address | 1845 18TH ST, BOULDER, CO 80302-5571 |
| Document Number | 0003713861 |
| Instrument Date | May 22, 2019 |
| Instrument | 3713861 |
| Transaction Type | Transfer |
| Record Updated | Jun 3, 2019 |
| Title Company | HERITAGE TITLE COMPANY, HERITAGE TITLE CO. |
| Amount | Amount Recorded |
|---|---|
| Tax | $152.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 482 N ROSEMEAD BLVD LOS ANGELES CA, LOS ANGELES, CA |
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 | $95,479 (+8.8%) Land $60,071 Building $35,408 | $1,404,100 (-) Land $883,400 Building $520,700 | |
| 2025 | $8,609.00 (-2.45%) | $87,757 (-13.47%) Land $55,213 Building $32,544 | $1,404,100 (-7.24%) Land $883,400 Building $520,700 |
| 2024 | $8,825.00 (+1.85%) | ||
| 2023 | $8,665.00 (+19.98%) | $101,418 (+34.59%) Land $65,285 Building $36,133 | $1,513,700 (+36.6%) Land $974,400 Building $539,300 |
| 2022 | $7,222.00 | $75,351 Land $47,804 Building $27,547 | $1,108,100 Land $703,000 Building $405,100 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 31 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 64 units insured incl. 33 condo units |
| Nearby Flood Claims | 6 (2013) |
| Claims Outside the SFHA | 2 of 6 |
| 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 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 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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