3905 Carlock Dr, Boulder, CO 80305 Property Records

Boulder County property record for 3905 Carlock Dr, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 5 ba · 2,168 sqft · built 1961
Lot Size	0.16 acres (6,946 sqft)
Owner	Trust Name on File
Last Sale	$975,000 (Nov 2023)
Tax Bill	$5,810 (2025)
Deeds & Mortgages	Apr 2024 Line of Credit Nov 2025 Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`1577-08-1-14-016`

Property Details

APN / Parcel Number

Primary APN	`1577-08-1-14-016`
Alternative APNs	`R0014456` `0014456`

Interior

Bedrooms	3 Beds
Full Baths	5 Baths
Half Baths	3 Half Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	2,168 sqft Living Area
Gross Area	2,584 sqft
1st Floor Area	1,232 sqft
Basement Area	1,040 sqft
Finished Basement	936 sqft
Unfinished Basement	104 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1981
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,946 sqft (0.16 acres)
Garage Type	Attached
Garage Area	312 sqft
Parking Spaces	1 Parking Space
Patio Area	160 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0014456
Street Address	3905 CARLOCK DR
City	BOULDER
State	CO
Zip	80305-6512
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 18 BLK 4 MOUNTAIN TERRACE
Legal Range	70
Legal Township	1S
Legal Section	08
Legal Subdivision	MOUNTAIN TERRACE - BO
Legal Block	4
Legal Lot Number	18
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1013
Census Tract	12509

Owner

3905 Carlock Dr is owner-occupied and held in a trust since March 2024.

Source: Boulder County records, as of September 18, 2026

Owner of Record	Trust Name on File
Mailing Address	3905 CARLOCK DR, BOULDER, CO 80305-6512
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Apr 3, 2024	Deed of Trust, Mortgage · Line of Credit UMB BANK NA
Nov 19, 2025	Intrafamily Transfer, Transfer · Commercial Mortgage UMB BANK NA
Nov 12, 2025	Intrafamily Transfer, Transfer
Apr 3, 2024	Warranty Deed, Transfer
Nov 30, 2023	Personal Representative Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Nov 30, 2023	Affidavit, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 30, 2023 · Amount on File
Deed Sale	Nov 30, 2023 · Amount on File
Deed Document Number	20234029851
Last Transfer Date	Mar 22, 2024
Transfer Doc	0004042293
Record Updated	Oct 29, 2026

April 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3905 CARLOCK DR, BOULDER, CO 80305-6512
Transaction Type	Mortgage
Record Updated	Dec 22, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3905 CARLOCK DR, BOULDER, CO 80305-6512

Mortgage

Document Number	0004042257
Date	Apr 3, 2024
Instrument	4042257

Lender

Name	UMB BANK NA
Type	Bank
Address	DENVER, CO 80207

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Apr 2, 2054

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Nov 19, 2025
Property Address	3905 CARLOCK DR, BOULDER, CO 80305-6512
Document Number	0004110234
Instrument Date	Nov 18, 2025
Instrument	4110234
Transaction Type	Transfer
Record Updated	Dec 22, 2025

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3905 CARLOCK DR, BOULDER, CO 80305-6512

Mortgage

Document Number	0004112420
Date	Nov 19, 2025
Instrument	4112420

Lender

Name	UMB BANK NA
Type	Bank

Agreement

Type	Commercial Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 4, 2055

Interest

Rate Type	Adjustable Rate

November 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Nov 12, 2025
Property Address	3905 CARLOCK DR, BOULDER, CO 80305-6512
Document Number	0004109292
Instrument	4109292
Transaction Type	Transfer
Record Updated	Dec 3, 2025

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3905 CARLOCK DR, BOULDER, CO 80305-6512

April 2024: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 3, 2024
Property Address	3905 CARLOCK DR, BOULDER, CO 80305-6512
Document Number	0004042293
Instrument Date	Mar 22, 2024
Instrument	4042293
Transaction Type	Transfer
Record Updated	May 1, 2024

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3905 CARLOCK DR, BOULDER, CO 80305-6512

November 2023: Personal Representative Deed, Transfer

Document Type	Personal Representative Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 30, 2023
Property Address	3905 CARLOCK DR, BOULDER, CO 80305-6512
Document Number	0004029851
Instrument Date	Nov 27, 2023
Instrument	4029851
Transaction Type	Transfer
Record Updated	Jan 4, 2024

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$97.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	3905 CARLOCK DR, BOULDER, CO 80305-6512

Mortgage

Document Number	0004029852
Date	Nov 30, 2023
Instrument	4029852

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2053

November 2023: Affidavit, Transfer

Document Type	Affidavit
Jurisdiction	BOULDER CO
Recording Date	Nov 30, 2023
Property Address	3905 CARLOCK DR, BOULDER, CO 80305-6512
Document Number	0004029849
Instrument Date	Nov 27, 2023
Instrument	4029849
Transaction Type	Transfer
Record Updated	Jan 4, 2024

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3905 CARLOCK DR, BOULDER, CO 80305-6512

Tax Assessment & Valuation

The 2025 property tax bill for 3905 Carlock Dr was $5,810, up 6.6% from the year before.

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$61,540 (+0.99%) Land $53,264 Building $8,276	$975,000 (-) Land $853,300 Building $121,700
2025	$5,810.00 (+6.64%)	$60,937 (-1.71%) Land $53,331 Building $7,606	$975,000 (-0.54%) Land $853,300 Building $121,700
2024	$5,448.00 (+4.67%)	$61,995 (-12.26%) Land $61,198 Building $797	$980,300 (-7.05%) Land $913,400 Building $66,900
2023	$5,205.00 (+17.63%)	$70,658 (+29.4%) Land $61,198 Building $9,460	$1,054,600 (+34.22%) Land $913,400 Building $141,200
2022	$4,425.00	$54,606 Land $45,015 Building $9,591	$785,700 Land $647,700 Building $138,000

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.

Flood

FEMA maps place 3905 Carlock Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	7 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 1998 · tidal / storm surge

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

Wildfire risk around 3905 Carlock Dr 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 604 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	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100

May also be available: AT&T, T-Mobile.

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