Boulder County property record for 3845 Northbrook Dr, Apt C, Boulder, CO 80304
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1 ba · 960 sqft · built 1984 |
| Lot Size | 0.001 acres (30 sqft) |
| Owner | Individual Name on File |
| Last Sale | $468,900 (Nov 2021) |
| Tax Bill | $3,566 (2025) |
| Deeds & Mortgages | Nov 2021 Sale & Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-17-3-17-003 |
| Primary APN | 1463-17-3-17-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Units | 7 Units |
| Stories | 1 Story |
| Building Area | 960 sqft Living Area |
| Gross Area | 1,160 sqft |
| 1st Floor Area | 960 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 30 sqft (0.001 acres) |
| Garage Type | Attached |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 288 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0098323 |
|---|---|
| Street Address | 3845 NORTHBROOK DR, C |
| City | BOULDER |
| State | CO |
| Zip | 80304-1446 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 3 BLDG 1 & UND 2.84645% INT GCE NORTHBROOK CONDOS 1ST AMENDED |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | NORTHBROOK CONDOS 1ST AMENDED - BO |
| Legal Block | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 12103 |
3845 Northbrook Dr, Apt C is owned by an individual who bought it in November 2021.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3845 NORTHBROOK DR, 3, BOULDER, CO 80304-1440 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 15, 2021 · Amount on File |
| Deed Sale | Nov 15, 2021 · Amount on File |
| Prior Sale | Sep 8, 2005 · Amount on File |
| Deed Document Number | 20213928180 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 15, 2021 |
| Property Address | 3845 NORTHBROOK DR APT C, C, BOULDER, CO 80304-1446 |
| Document Number | 0003928180 |
| Map Reference | DOC 616249 |
| Instrument Date | Nov 12, 2021 |
| Instrument | 3928180 |
| Transaction Type | Transfer |
| Record Updated | Feb 9, 2026 |
| Title Company | HERITAGE TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $46.89 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Severalty |
| Address | 3845 NORTHBROOK DR # 3, 3, BOULDER, CO 80304-1440 |
| Document Number | 0003928181 |
|---|---|
| Date | Nov 15, 2021 |
| Instrument | 3928181 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2051 |
The 2025 property tax bill for 3845 Northbrook Dr, Apt C was $3,566.
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 | $35,796 (-2.08%) Building $35,796 | $584,900 (-) Building $584,900 | |
| 2025 | $3,566.00 | $36,556 Building $36,556 | $584,900 Building $584,900 |
| 2023 | $2,592.00 (-2.59%) | $32,836 (+17.88%) Building $32,836 | $490,088 (+22.28%) Building $490,088 |
| 2022 | $2,661.00 | $27,856 Building $27,856 | $400,800 Building $400,800 |
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.
FEMA maps place 3845 Northbrook Dr, Apt C in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 28 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 58 units insured incl. 30 condo units |
| Nearby Flood Claims | 18 (1995–2022) |
| Claims Outside the SFHA | 9 of 18 |
| Most Recent Claim | Oct 2022 · 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.
Wildfire risk around 3845 Northbrook Dr, Apt C is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 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 341 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
May also be available: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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